UPC1853CT-02 NEC [NEC], UPC1853CT-02 Datasheet

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UPC1853CT-02

Manufacturer Part Number
UPC1853CT-02
Description
MATRIX SURROUND IC WITH I2C BUS
Manufacturer
NEC [NEC]
Datasheet

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UPC1853CT-02
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Document No. S10552EJ2V0DS00 (2nd edition)
(Previous No. ID-3126)
Date Published October 1995 P
Printed in Japan
expansion, and by adding rear speakers, rich three-dimensional sound can obtained.
FEATURES
• Any control is possible through the I
• Surround effect can be realized by only 2 speakers on the front side.
• On-chip tone (bass and treble) control circuit.
• Level-adjustable output pin for heavy bass sound.
• Level-adjustable output pin for AV amplifier.
APPLICATION
• TV, audio
ORDERING INFORMATION
The PC1853 is a phase shift matrix surround IC. Only 2 speakers on the front side implement wide sound
The PC1853 can perform all controls (mode switching, volume control and so on) through the I
PC1853-01 :
PC1853-02 :
Part Number
PC1853CT-01
PC1853CT-02
On-chip low boost circuit.
On-chip volume and balance control circuits.
On-chip L-channel volume and R-channel volume control circuits.
MATRIX SURROUND IC WITH I
The information in this document is subject to change without notice.
30-pin plastic shrink DIP (400 mil)
BIPOLAR ANALOG INTEGRATED CIRCUIT
2
C bus.
Package
DATA SHEET
"
2
C BUS
PC1853
2
C bus.
©
1995

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UPC1853CT-02 Summary of contents

Page 1

MATRIX SURROUND IC WITH I The PC1853 is a phase shift matrix surround IC. Only 2 speakers on the front side implement wide sound expansion, and by adding rear speakers, rich three-dimensional sound can obtained. The PC1853 can perform all ...

Page 2

SYSTEM BLOCK DIAGRAM • TV Tuner SDA PD17002 Digital PD17052 tuning PD17053 controller SCL Remote control PC2800A reception PC2801A amplifier PIN photo diode 2 Color, intensity PIF & SIF RGB and deflecting output Signal processor Vertical output PC1852 PC1853 L ...

Page 3

F 0.082 F 0.1 F FC1FC2 FC3 FC4 MFO MFI LF1 – – + LPF PS1PS2PS3 PS4 – Phase shifter ...

Page 4

F 0.082 F 0.1 F FC1 FC2FC3 FC4 MFO MFI LF1 – – + LPF PS1PS2PS3 PS4 – Phase shifter ...

Page 5

PIN CONFIGURATION (Top View) (1) PC1853-01 Ground (for Analog) 1 GND Phase shift filter 1 2 FC1 Phase shift filter 2 3 FC2 Phase shift filter 3 4 FC3 Phase shift filter 4 5 FC4 Low-pass filter 2 6 LF2 ...

Page 6

PC1853-02 Ground (for Analog) 1 GND Phase shift filter 1 2 FC1 Phase shift filter 2 3 FC2 Phase shift filter 3 4 FC3 Phase shift filter 4 5 FC4 Low-pass filter 2 6 LF2 R-channel treble capacitor 7 ...

Page 7

EXPLANATION OF PINS ................................................................................................................ 2. ATTENTIONS .................................................................................................................................... BUS INTERFACE ...................................................................................................................... 17 3.1 Data Transfer ............................................................................................................................................. 3.1.1 Start condition .............................................................................................................................. 3.1.2 Stop condition ............................................................................................................................... 3.1.3 Data transfer .................................................................................................................................. 3.2 Data Transfer Format ............................................................................................................................... 3.2.1 1 ...

Page 8

EXPLANATION OF PINS Table 1-1 Explanation of Pins (1/8) Pin Number Pin Name 1 GND 2 FC1 V 3 FC2 V 4 FC3 V 8 Equivalent Circuit Ground for analog signal Capacitor connection pin which CC ...

Page 9

Table 1-1 Explanation of Pins (2/8) Pin Number Pin Name 5 FC4 LF2 V 7 RTC RBC V CC Equivalent Circuit Capacitor connection pin which determines time constant of phase 36 k shifter. 36 ...

Page 10

Table 1-1 Explanation of Pins (3/8) Pin Number Pin Name 9 LTC V 10 LBC 11 Rear OUT 11 12 L+R OUT 12 10 Equivalent Circuit Capacitor connection pin for treble CC boost/cut frequency characteristic of L-channel signal. 7.5 k ...

Page 11

Table 1-1 Explanation of Pins (4/8) Pin Number Pin Name 13 R1 OUT OUT OUT V 16 Equivalent Circuit V R-channel signal output pin (for main CC output). V ...

Page 12

Table 1-1 Explanation of Pins (5/8) Pin Number Pin Name 17 L2 OUT 17 18 VOL-C ( PC1853-01) LVC 3 PC1853-02) 19 BAL-C ( PC1853-01) RVC 3 PC1853-02) 20 SCL 20 12 Equivalent Circuit L-channel signal ...

Page 13

Table 1-1 Explanation of Pins (6/8) Pin Number Pin Name 21 SDA 21 22 ADS 22 23 DGND Equivalent Circuit Serial data line pin (data input for I bus). Pin voltage: ...

Page 14

Table 1-1 Explanation of Pins (7/8) Pin Number Pin Name 25 OFC Lin 22 L-channel signal input 27 Rin 22 F R-channel signal input 28 LF1 1 k 680 pF 14 Equivalent Circuit Capacitor connection pin which ...

Page 15

Table 1-1 Explanation of Pins (8/8) Pin Number Pin Name 29 MFO 820 k 0.082 F 30 MFI Equivalent Circuit High-pass filter output pin for surround function (Simulated mode (see 4.3 Surround Function ...

Page 16

ATTENTIONS <1> Attention on Pop Noise Reduction When changing the surround mode and switching power, use the mute function (approx. 200 ms) for pop noise reduction (see 4.4.1(2) Mute for the PC1853-01 or 4.4.2(1) Mute for the PC1853-02). <2> ...

Page 17

I C BUS INTERFACE The PC1853 has serial bus function. This serial bus (I composed of 2 wires: serial clock line (SCL) and serial data line (SDA). 2 The PC1853 has built- bus interface circuit, 9 ...

Page 18

Stop condition Stop condition is made by rising of SDA from “Low” to “High” during SCL is “High” as shown in Fig. 3-2. When this stop condition is received, the PC1853 stops to take in or output the data. ...

Page 19

Fig. 3-4 Example of Data Transfer in Write Mode Slave address SDA SCL Remark W: Write mode, ACK: Acknowledge bit Data is composed of 8 bits. Acknowledge bit is always added after ...

Page 20

Serial data transfer The following is the format in the case of transferring 8 bytes data at one time by using automatic increment function (the data of subaddress 01H to 08H, bit D6 is “1”). S A SLAVE SUB ...

Page 21

PC1853-01 Bit MSB Sub address 00H Rear output Low boost selection 0: OFF 0: (L- L-R 01H 0 Automatic increment 0: OFF 1: ON 02H 0 Automatic increment 0: OFF 1: ON 03H 0 ...

Page 22

PC1853-02 Bit MSB Sub address 00H Rear output 0 selection 0: (L-R) 1: L-R 01H 0 Automatic increment 0: OFF 1: ON 02H 0 Automatic increment 0: OFF 1: ON 03H 0 Automatic increment 0: OFF 1: ...

Page 23

Initialization After power-on, be sure to initialize the subaddress data to table below. Table 4-1 Initial Data of PC1853-01 Bit MSB Subaddress D7 00H 1 01H 0 02H 0 03H 0 04H 0 05H 0 06H 0 07H 0 ...

Page 24

Surround Function About the setting of surround mode, see table below. Table 4-3 Setting of Surround Mode Setting Subaddress: 08H Surround D7 mode OFF 0 Movie 1 Music 1 Simulated 1 –: Don’t care. Caution When changing the surround ...

Page 25

Explanation of Each Command 4.4.1 PC1853-01 (1) Audio Output Control Link By the data of subaddress 00H, bit D0, audio output volume link can be controlled (linked with main output control or not). Fig. 4-1 Audio Output Control Link ...

Page 26

Subaddress Rear Low Low 00H output boost boost selection gain Caution Use the mute function (approx. 200 ms) for pop noise reduction when changing the surround mode and switching power. (3) Low boost function By the data ...

Page 27

Rear output selection By the data of subaddress 00H, bit D7, output signal of the rear output pin can be selected ( (L-R) signal or (L-R) signal). Fig. 4-4 Rear Output Selection ( PC1853-01) Subaddress D7 D6 Rear Low ...

Page 28

Fig. 4-5 Volume Control ( PC1853-01) (2/2) Note • Audio output volume control Subaddress D7 D6 Automatic 06H 0 increment Note When selecting the mode linking main output volume control to audio output volume control, the audio output volume can ...

Page 29

Bass and treble control By the data of subaddress 03H and 04H, bit D5 to D0, the bass and treble tone for main output (L1 OUT and R1 OUT pin) can be adjusted in 64 levels. • Bass control ...

Page 30

Caution After power-on, be sure to initialize the subaddress data (see 4.2 Initialization). The automatic increment function increments subaddress automatically. Automatic increment function Subaddress is incremented automatically. Automatic increment function is OFF: Subaddress is fixed. The automatic ...

Page 31

Fig. 4-10 Monaural/Stereo Selection Subaddress D7 D6 Surround Automatic 08H ON/OFF increment (11) Units of phase shifters By the data of subaddress 08H, bit D5, the number of phase shifter’s units ( units) can be selected for the ...

Page 32

PC1853-02 (1) Mute By the data of subaddress 00H, bit D2 to D4, ON/OFF of mute function can be controlled. Subaddress D7 D6 Rear output 0 00H selection Caution Use the mute function (approx. 200 ms) for pop noise ...

Page 33

Volume control By the data of subaddress 01H, 02H, 05H, 06H and 07H, bit D5 to D0, the volume control can be adjusted in 64 levels. Fig. 4-15 Volume Control ( PC1853-02) (1/2) • R-channel output volume control Subaddress ...

Page 34

Fig. 4-15 Volume Control ( PC1853-02) (2/2) • Audio output volume control Subaddress D7 D6 Automatic 06H 0 increment • Rear output volume control Subaddress D7 D6 Automatic 07H 0 increment (4) Bass and treble control See 4.4.1 (7) Bass ...

Page 35

ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings (Unless otherwise specified, T Parameter Symbol Supply voltage V CC Input signal voltage bus input pin voltage V cont Power dissipation P D Operating temperature T A Storage temperature ...

Page 36

Electrical Characteristics ( ˚ kHz General (1/1) Parameter Symbol Supply current I No signal CC Maximum input voltage 1 V Lin, Rin OM1 THD ...

Page 37

PC1853CT-01 Volume control, tone control block (1/3) Parameter Symbol Volume attenuation 1 (1) ATT Lin = 0.5 V VL11 Volume attenuation 1 (2) ATT L1 OUT VL12 Volume attenuation 1 (3) ATT VL13 Volume attenuation 2 (1) ATT Lin ...

Page 38

PC1853CT-01 Volume control, tone control block (2/3) Parameter Symbol Low-band boost control (3 dB 100 Hz, Lin = 0.5 V B3dB1 Low-band boost control (3 dB Rin = GND, L1 OUT B3dB2 Low-band ...

Page 39

PC1853CT-01 Volume control, tone control block (3/3) Parameter Symbol Muting attenuation 1 Mute 1 Lin = 0.5 V Rin = GND, L1 OUT Muting attenuation 2 Mute 2 Lin = GND, Rin = 0.5 V Muting attenuation 3 Mute ...

Page 40

PC1853CT-02 Volume control, tone control block (1/2) Parameter Symbol Volume attenuation 1 (1) L-ch ATT Lin = 0.5 V VL11 Volume attenuation 1 (2) L-ch ATT Rin = GND, VL12 Volume attenuation 1 (3) L-ch ATT L1 OUT VL13 ...

Page 41

PC1853CT-02 Volume control, tone control block (2/2) Parameter Symbol L, R in-phase gain difference 3 ( 100 Hz, Lin = 0 in-phase gain difference 3 (2) DG Rin = 0 ...

Page 42

Matrix surround block (1/2) Parameter Symbol In-phase gain kHz, Lin = 0.5 V MOV1 Note2 Movie mode 1 Rin = GND, L1 OUT In-phase gain kHz, Lin = 0.5 V MOV2 Note2 ...

Page 43

Matrix surround block (2/2) Parameter Symbol Output noise NO1 Lin = GND, Rin = GND, Surround: OFF, DIN-AUDIO filter, L1 OUT, R1 OUT, L2 OUT, R2 OUT, L+R OUT, Rear OUT Crosstalk 1 CT1 Lin = 0 dB: ...

Page 44

ELECTRICAL CHARACTERISTICS MEASUREMENT LIST Set subaddress data as shown in 4.2 Initialization unless otherwise specified. General (1/1) Parameter Symbol Supply current I Current flowing to pin 15. CC Maximum input voltage 1 V Input signal level of pins 13, 14, ...

Page 45

PC1853CT-01 Volume control, tone control block (1/9) Parameter Symbol Volume attenuation 1 (1) ATT VL11 Volume attenuation = 20 log Volume attenuation 1 (2) ATT L1 output: Output signal level of pin 14. VL12 L input: Input signal level ...

Page 46

PC1853CT-01 Volume control, tone control block (2/9) Parameter Symbol Balance attenuation (L-ch) 1 (1) ATT BL11 Balance attenuation = 20 log Balance attenuation (L-ch) 1 (2) ATT L1 output: Output signal level of pin 14. BL12 L input: Input ...

Page 47

PC1853CT-01 Volume control, tone control block (3/9) Parameter Symbol Low-band boost control (6 dB B6dB3 Bass response = 20 log V BON V BOFF Low-band boost control (3 dB B3dB1 Bass response = 20 log ...

Page 48

PC1853CT-01 Volume control, tone control block (4/9) Parameter Symbol L, R in-phase gain difference 1 ( Channel to channel error = 20 log R1 output: Output signal level of pin 13. R input: Input signal level of ...

Page 49

PC1853CT-01 Volume control, tone control block (5/9) Parameter Symbol L, R in-phase gain difference 3 ( Channel to channel error = 20 log R1 output: Output signal level of pin 13. R input: Input signal level of ...

Page 50

PC1853CT-01 Volume control, tone control block (6/9) Parameter Symbol L, R in-phase gain difference 4 ( Channel to channel error = 20 log R1 output: Output signal level of pin 13. R input: Input signal level of ...

Page 51

PC1853CT-01 Volume control, tone control block (7/9) Parameter Symbol L, R in-phase gain difference 5 ( Channel to channel error = 20 log V BON V BOFF V B6dB3 L, R in-phase gain difference 6 (1) DG ...

Page 52

PC1853CT-01 Volume control, tone control block (8/9) Parameter Symbol Muting attenuation 1 Mute 1 Mute log L1 output : Output signal level of pin 14. L input: Input signal level of pin 26. Muting attenuation 2 ...

Page 53

PC1853CT-01 Volume control, tone control block (9/9) Parameter Symbol Muting attenuation 5 Mute 5 Mute log L+R output : Output signal level of pin 12 input: Input signal level of pin 26 or 27. ...

Page 54

PC1853CT-02 Volume control, tone control block (1/6) Parameter Symbol Volume attenuation 1 (1) L-ch ATT VL11 Volume attenuation = 20 log Volume attenuation 1 (2) L-ch ATT L1 output: Output signal level of pin 14. VL12 L input: Input ...

Page 55

PC1853CT-02 Volume control, tone control block (2/6) Parameter Symbol Rear volume attenuation 1 ATT VRE1 Rear volume attenuation = 20 log Rear output: Output signal level of pin 11. Rear volume attenuation 2 ATT L input: Input signal level ...

Page 56

PC1853CT-02 Volume control, tone control block (3/6) Parameter Symbol L, R in-phase gain difference 1 ( Channel to channel error = 20 log R1 output : Output signal level of pin 13. R input: Input signal level ...

Page 57

PC1853CT-02 Volume control, tone control block (4/6) Parameter Symbol L, R in-phase gain difference 3 ( Channel to channel error = 20 log R1 output : Output signal level of pin 13. R input: Input signal level ...

Page 58

PC1853CT-02 Volume control, tone control block (5/6) Parameter Symbol L, R in-phase gain difference 4 ( Channel to channel error = 20 log R1 output : Output signal level of pin 13. R input: Input signal level ...

Page 59

PC1853CT-02 Volume control, tone control block (6/6) Parameter Symbol Muting attenuation 4 Mute 4 Mute log (Rear) Rear output : Output signal level of pin 11. L input: Input signal level of pin 26. DC offset ...

Page 60

Matrix surround block (1/3) Parameter Symbol In-phase gain G MOV1 Response = 20 log Movie mode 1 L1, R1 output: Output signal level of pin 14 or 13. In-phase gain G L input: Input signal level of pin 26. MOV2 ...

Page 61

Matrix surround block (2/3) Parameter Symbol In-phase gain G SIMR1 Response = 20 log Simulated mode (R-ch output: Output signal level of pin 13 input: Input signal level of pin 26 or 27. In-phase gain G ...

Page 62

Matrix surround block (3/3) Parameter Symbol Crosstalk 2 CT2 Crosstalk = 20 log L output : Output signal level of pin 14 or 17. R input: Input signal level of pin 27. Inter-mode offset V No signal. OSM At surround ...

Page 63

CHARACTERISTIC CURVES About surround mode, see 4.3 Surround Function. 6.1 Frequency Response Characteristics in Each Mode (1) OFF mode (L-channel, R-channel –2 –4 –6 100 Frequency f (Hz) PC1853 V ...

Page 64

Movie Mode –5 –10 –15 –20 –25 –30 –35 100 (3) Music Mode –4 –8 –12 –16 –18 –20 100 Frequency f (Hz ...

Page 65

Simulated Mode –4 –8 –12 –16 –20 100 Frequency f (Hz) PC1853 Lin, Rin 1 dB) IN p-p L1 OUT R1 ...

Page 66

Characteristics of Phase Shifter and Rear Output (1) Movie Mode 0 –10 – 100 300 500700 1 k (2) Music Mode 0 –10 – 100 300 500 700 ...

Page 67

Simulated Mode 0 –10 – 100 300 500 700 Frequency f (Hz) PC1853 Lin, Rin 1.4 ...

Page 68

Control Characteristics (1) Volume Control Characteristics 0 –20 –40 –60 –80 –100 000000 001000 010000 011000 Data of Subaddress: 01H (D5······D0) (2) Balance Control Characteristics 0 –20 –40 Lch flat Rch ATT –60 –80 –100 000000 001000 010000 011000 ...

Page 69

Tone Control Characteristics (Bass –5 –10 000000 001000 010000 011000 Data of Subaddress: 03H (D5······D0) (4) Tone Control Characteristics (Treble –5 –10 000000 001000 010000 011000 Data of Subaddress: 04H (D5······D0) 100000 101000 ...

Page 70

Tone Frequency Characteristics –10 E –20 10 100 Frequency f (Hz) (6) Low Boost Control Characteristics –5 –10 000000 001000 010000 011000 Data of Subaddress: 01H (D5·····D0 ...

Page 71

Low Boost –20 C –40 –60 10 100 Frequency f (Hz) (8) Low Boost –20 C –40 –60 10 100 Frequency f (Hz ...

Page 72

Effect Control Characteristics 10 0 –10 –20 –30 –40 0000 0100 Data of Subaddress: 08H (D3······D0) 72 1000 1100 1111 PC1853 kHz Lin 1 dB) IN p-p Rin: GND Rear OUT ...

Page 73

Input/Output Characteristics, Distortion Rate 5.0 1.0 0.5 0.1 0.05 0.01 0.05 0.1 Input Signal Voltage ( kHz Lin or Rin: V Lin or Rin: GND 5.0 PC1853-01 Subaddress: 01H, Data “111111” Subaddress: 02H, Data “100000” PC1853-02 ...

Page 74

MEASURING CIRCUIT a b Switch 2 820 k Note Note Note + 0.082 680 pF MFI MFO LF1 Rin FC1 FC2 FC3 AGND Note Note Note 0.1 F ...

Page 75

PACKAGE DIMENSIONS 30PIN PLASTIC SHRINK DIP (400 mil NOTES 1) Each lead centerline is located within 0.17 mm (0.007 inch) of its true position (T.P.) at maximum material condition. 2) ltem ...

Page 76

Caution: Purchase of NEC I C components conveys a license under the Philips I these components Specification as defined by Philips. The application circuits and their parameters are for references only and are not intended ...

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