CXA2164Q Sony, CXA2164Q Datasheet

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CXA2164Q

Manufacturer Part Number
CXA2164Q
Description
US Audio Multiplexing Decoder
Manufacturer
Sony
Datasheet

Specifications of CXA2164Q

Case
QFP
For the availability of this product, please contact the sales office.
Description
the Zenith TV Multi-channel System and also
corresponds with I
demodulation, SAP (Separate Audio Program)
demodulation, dbx noise reduction, and sound
processor. Various kinds of filters are built in this IC.
Adjustment, mode control and sound processor
control are all executed through I
Features
• Alignment-free VCO and filter
• Audio multiplexing decoder,
• Input level, separation adjustments and each mode
Pin Configuration (Top View)
The CXA2164Q is an IC designed as a decoder for
dbx noise reduction decoder,
sound processor
— One external input
— Volume control
are all included in a single chip.
Almost any sort of signal processing is possible
through this IC.
control are possible through I
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
US Audio Multiplexing Decoder
LSOUT-R
VCAWGT
LSOUT-L
AUX-R
AUX-L
SDA
NC
NC
NC
NC
NC
NC
44
45
47
48
38
46
37
39
40
41
42
43
36 35 34
1
2
3
2
C BUS. Functions include stereo
33
4
32
5
31
6
30
7
29
8
2
C BUS.
28
9 10 11 12
2
C BUS.
27
26
25
22
19
17
16
15
14
13
24
23
21
20
18
NOISETC
STIN
SUBOUT
NC
SAPTC
GND
NC
VGR
NC
V
NC
IREF
CC
– 1 –
Absolute Maximum Ratings (Ta = 25°C)
• Supply voltage
• Operating temperature Topr
• Storage temperature
• Allowable power dissipation
Range of Operating Supply Voltage
Applications
multiplexing TV broadcasting
Structure
TV, VCR and other decoding systems for US audio
Bipolar silicon monolithic IC
A license of the dbx-TV noise reduction system is
required for the use of this device.
CXA2164Q
48 pin QFP (Plastic)
Tstg
V
P
CC
D
–65 to +150
–20 to +75
9 ± 0.5
0.6
11
E00X21
°C
°C
W
V
V

Related parts for CXA2164Q

CXA2164Q Summary of contents

Page 1

... US Audio Multiplexing Decoder For the availability of this product, please contact the sales office. Description The CXA2164Q designed as a decoder for the Zenith TV Multi-channel System and also 2 corresponds with I C BUS. Functions include stereo demodulation, SAP (Separate Audio Program) demodulation, dbx noise reduction, and sound processor ...

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... CXA2164Q ...

Page 3

... V CC 10k V CC 147 3 53k 147 4 1k 200µ – 3 – (Ta = 25°C, V Description 2.1V Serial clock input pin. V > 3. < 1.5V IL Digital block GND. Input the ( signal from MAINOUT (Pin 4). 15k ( signal output pin. — — — CXA2164Q = 9V) CC ...

Page 4

... V CC 16k 16k 147 12 50k 4V 16k 13 – 4 – CXA2164Q Description Stereo block PLL loop filter integrating pin. — Pilot cancel circuit loop filter integrating pin. (Connect a 1µF capacitor between this pin and GND.) Audio multiplexing signal input pin. — ...

Page 5

... GND.) — Analog block GND. Set the time constant for the SAP carrier detection circuit. (Connect a 4.7µF capacitor 4k between this pin and GND.) 50µ — Supply voltage pin. — CXA2164Q ...

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... Input the (L-R) signal from SUBOUT (Pin 22). 147 27 Input the (SAP) signal from SAPOUT (Pin 25). Vcc 3.3k Set the time constant for the noise detection circuit. 4k (Connect a 4.7µF capacitor between this pin and GND.) 4V Vcc SAP FM detector output pin. 25 CXA2164Q ...

Page 7

... GND.) 4k 50µ Vcc Determine the restoration time constant of the variable de-emphasis control effective value detection circuit. 33 (The specified restoration time constant can be obtained by connecting a 3.3µF capacitor between this pin and GND.) CXA2164Q ...

Page 8

... CXA2164Q Description Variable de-emphasis output pin. (Connect a 4.7µF non-polar capacitor between Pins 34 and 35.) VCA input pin. Input the variable de-emphasis output signal from Pin 34 via a coupling capacitor. ...

Page 9

... 580 46 580 7.5k 35µ 4. – 9 – CXA2164Q Description — Right channel external input pin. Left channel external input pin. — — — — — LSOUT right channel output pin. LSOUT left channel output pin. 2.1V Serial data I/O pin. V > 3.0V ...

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... CXA2164Q ...

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... CXA2164Q ...

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... CXA2164Q ...

Page 13

... The adjustments in 2 and 3 above are performed to optimize the separation. 5) “WIDEBAND” Adjustment range: ±30% Adjustment bits: 6 bits Note) Adjust this IC through Tuner and IF when this IC is mounted in the set. “SPECTRAL” Adjustment range: ±15% Adjustment bits: 6 bits – 13 – CXA2164Q ...

Page 14

... Note) The microcomputer reads both SAP and NOISE status and judges SAP discrimination. DATA BIT6 BIT5 BIT4 TEST-DA TEST1 EXT1 STA4 STA5 STA6 BIT4 BIT3 BIT2 NOISE — — – 14 – BIT3 BIT2 BIT1 ATT SPECTRAL WIDEBAND NRSW FOMO SAPC VOL-L VOL-R STA7 STA8 BIT1 BIT0 — — CXA2164Q BIT0 M1 : Don't Care ...

Page 15

... SAP broadcasting Left channel volume control 3F Right channel volume control 3F POWER ON RESET detection; Stereo discrimination of the COMPIN input signal; SAP discrimination of the COMPIN input signal; Noise level discrimination of the SAP signal; – 15 – Contents Contents 1: RESET 1: Stereo 1: SAP 1: Noise CXA2164Q ...

Page 16

... Forced MONO mode M1 (1): Mute the LSOUT-L and LSOUT-R output Mute Mute OFF SAPC (1): Select the SAP signal output mode When there is no SAP signal, the conditions for selecting SAP output are selected by SAPC output is selected 1 = SAP output is selected – 16 – CXA2164Q ...

Page 17

... VOL-L (6): LSOUT-L output signal level control 0 = Volume min Volume max. –1.25dB/STEP VOL-R (6): LSOUT-R output signal level control 0 = Volume min Volume max. –1.25dB/STEP – 17 – CXA2164Q ...

Page 18

... R right channel NRSW = 1 (SAP output) • Regardless of the presence of SAP discrimination, dbx input: “SAP” left channel: SAP, right channel: SAP However, when there is no SAP, SAPOUT output is soft muted (–7dB) “Forced MONO” “MUTE” – 18 – CXA2164Q SAPC = 1 ...

Page 19

... CXA2164Q Output dbx input SAPC Lch Rch 1 MUTE SAP SAP SAP 1 SAP SAP 1 MUTE (SAP) (SAP) (SAP) 1 (SAP (SAP – MUTE – MUTE SAP SAP SAP 1 SAP SAP 1 (SAP) (SAP) (SAP) 1 (SAP (SAP) 1 MUTE MUTE SAP SAP SAP 1 SAP ...

Page 20

... CXA2164Q Output dbx input SAPC Lch Rch 0 MUTE MUTE MUTE (SAP) (SAP) (SAP) 0 (SAP (SAP – MUTE – MUTE – MUTE (SAP) (SAP) (SAP) 0 (SAP (SAP) 0 MUTE MUTE SAP SAP SAP 0 SAP SAP 0 MUTE MUTE (SAP) (SAP) (SAP) 0 (SAP) ...

Page 21

... OUT) (VCA IN HPF RMS LPF DET LPF RMS DET Fig 3. dbx-TV block – 21 – 15 SAP dbx-TV NR TELEMETRY FM 10kHz FM 3kHz 50 – 10kHz 6. 15.734kHz H (MAIN IN) 3 4.7µ MATRIX dbx-TV BLOCK 27 MODE CONTROL B to VCA 35 MATRIX 4.7µ CXA2164Q 3 f (Lch) to (Rch) TVSW ...

Page 22

... The current flowing to the resistor connecting IREF (Pin 15) with GND become the reference current carrier as shown in the Fig. 1. First, the SAP signal only is H carrier amplitude. NOISE discrimination is performed by detecting the H – 22 – CXA2164Q ...

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... CXA2164Q ...

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... STA 4.0 — — 4.7 — — 4.0 : STA 4.7 — — : DAT 0 — — : DAT 250 — — — — 1 — — 300 : STO 4.7 — — CXA2164Q Unit V µ kHz µs ns µs ns µs ...

Page 25

... C signals, SDA (Serial DATA) and SCL (Serial CLOCK) signals. SDA is a bidirectional signal. • Accordingly there are 3 values outputs and HIZ • transfer begins with Start Condition and ends with Stop Condition. Start Condition S SDA SCL HIGH t : DAT t : DAT HIZ L – 25 – CXA2164Q t : STA STA t : STO Stop Condition P ...

Page 26

... DATA ACK 2 C controller) H during Read ACK MSB DATA – 26 – L during Write MSB LSB HIZ ACK Sub Address DATA ( Data can be transferred in 8-bit units to be set as required. Sub address is incremented automatically. HIZ DATA ACK LSB ACK CXA2164Q HIZ 8 9 ACK P ...

Page 27

... Measurement point: LSOUT-L/R 1.0 Standard level (100%) –10 0 Input level [dB] Input level vs. Distortion characteristics 2 (Stereo) Input signal: Stereo L = – 9V, 30kHz using LPF, ST mode CC Measurement point: LSOUT-L/R 1.0 10 –10 10 – 27 – CXA2164Q (dbx-TVNR ON), 1kHz 0dB = 100% modulation level Standard level (100 Input level [dB] ...

Page 28

... Main LPF and Sub LPF frequency characteristics –10 –20 –30 –40 –50 1 100 100 0 90 – – – – –100 100 120 0 – 28 – CXA2164Q 100 Frequency [kHz] Volume charactiristics Input: AUXIN (Pins 39, 40) 1kHz, 490mVrms Output: LSOUT (Pins 46, 47 Control data VOL-L, VOL-R ...

Page 29

... M PACKAGE STRUCTURE PACKAGE MATERIAL LEAD TREATMENT QFP-48P-L04 QFP048-P-1212 LEAD MATERIAL PACKAGE MASS – 29 – CXA2164Q + 0.1 0.15 – 0.05 0.15 + 0.2 0.1 – 0.1 + 0.35 2.2 – 0.15 EPOXY RESIN PALLADIUM PLATING COPPER ALLOY 0.7g Sony Corporation ...

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