NJW1321 New Japan Radio Co.,Ltd, NJW1321 Datasheet

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NJW1321

Manufacturer Part Number
NJW1321
Description
Njw1321 Wide Band Video Switch With I2c Bus
Manufacturer
New Japan Radio Co.,Ltd
Datasheet

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amplifier. It is suitable for RGB or Y, Pb, and Pr signal because
frequency range is 100MHz.
external logic discernment terminals.
AV systems.
GENERAL DESCRIPTION
The NJW1321 is a Wide Band Video Switch with I
The NJW1321 includes switch of 4-input 2-output and 6dB
The NJW1321 includes external logic control terminals and
The NJW1321 is suitable for PTV, DTV, PDP and other high quality
FEATURES
BLOCK DIAGRAM
Operating Voltage
I
4-input 2-output 3-Circuits
Wide frequency range
Internal 6dB amplifier (Selectable Bypass or 6dB)
External logic discernment terminal
External logic control terminal
Selectable slave address
Power Save Circuit
Bi-CMOS Technology
Package Outline
2
C BUS Interface
WIDE BAND VIDEO SWITCH WITH I
Y/R IN1
Y/R IN2
Y/R IN3
Y/R IN4
Pb/G IN1
Pb/G IN2
Pb/G IN3
Pb/G IN4
Pr/B IN1
Pr/B IN2
Pr/B IN3
Pr/B IN4
PORT 0
PORT 1
PORT 2
PORT 3
VREF
GND
V+
-3dB at 300MHz typ.
+9.0V
0dB at 100MHz typ.
QFP48
BIAS
2
C BUS.
I
2
C BUS
6dB
6dB
6dB
6dB
6dB
6dB
Y/R OUT1
Y/R OUT2
Pb/G OUT1
Pb/G OUT2
Pr/B OUT1
Pr/B OUT2
ADDRESS
SDA
SCL
AUX 0
AUX 1
AUX 2
AUX 3
DGND
PACKAGE OUTLINE
2
NJW1321FP1
C BUS
NJW1321
- 1 -
Ver.7

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NJW1321 Summary of contents

Page 1

... The NJW1321 includes switch of 4-input 2-output and 6dB amplifier suitable for RGB or Y, Pb, and Pr signal because frequency range is 100MHz. The NJW1321 includes external logic control terminals and external logic discernment terminals. The NJW1321 is suitable for PTV, DTV, PDP and other high quality AV systems. FEATURES Operating Voltage 2 ...

Page 2

... NJW1321 PIN CONFIGURATION 38 39 GND Pr IN4 V+ Y IN3 GND Pb IN3 V+ Pr IN3 GND Y IN2 IN2 3. GND 4. Pr IN2 5. GND 6. Y IN1 IN1 9. V+ 10. Pr IN1 11. GND 12. PORT3 - 13. PORT2 25. AUX0 14. ADR 26. AUX1 15. SCL 27. Y OUT2 16. SDA 28. AUX2 17 ...

Page 3

... Vin=4.43MHz,1.0Vp-p Sin signal Vin=50MHz,1.0Vp-p Sin signal Vin=1.0Vp-p 10step Video signal Vin=1.0Vp-p 10step Video signal Vin=1.0Vp-p,100% White Video Signal TEST CONDITION PTH PTM PTL AUXH AUXM AUXL ADRH ADRL NJW1321 UNIT V mW °C °C MIN. TYP. MAX. UNIT 8.5 9.0 9.5 V MIN ...

Page 4

... NJW1321 2 TIMING ON THE I C BUS (SDA,SCL) SDA SCL t HD:STA t t LOW HD:DAT S CHARACTERISTICS OF I/O STAGES FOR BUS Load Conditions STANDARD MODE: Pull up resistance 4kΩ (Connected to +5V), Load capacitance 200pF (Connected to GND) PARAMETER Low Level Input Voltage High Level Input Voltage ...

Page 5

... HD:DAT Please hold the Data Hold Time (t The SDA block in the NJW1321 does not hold data. Add external data-delay-circuit of the SDA terminal, in case of not providing a hold time of at least 300nsec for the SDA in the master device. The time-consists of the data-delay-circuit of the SDA terminal are as follows. ...

Page 6

... NJW1321 EQUIVALENT CIRCUIT PIN No. NAME 6 Y IN1 8 Pb IN1 10 Pr IN1 48 Y IN2 2 Pb IN2 4 Pr IN2 42 Y IN3 44 Pb IN3 46 Pr IN3 36 Y IN4 38 Pb IN4 40 Pr IN4 34 Y OUT1 32 Pb OUT1 30 Pr OUT1 27 Y OUT2 24 Pb OUT2 21 Pr OUT2 ...

Page 7

... Supply voltage terminal GND DGND FUNCTION INSIDE EQUIVALENT CIRCUIT Slave address setting terminal 2 C clock terminal data terminal terminal Ground terminal Ground terminal NJW1321 + + V V VREF 66Ω 4kΩ 66Ω 48kΩ VOLTAGE - - 4. ...

Page 8

... NJW1321 2 DEFINITION REGISTER ♦ BUS FORMAT MSB LSB Slave Address S 1bit 8bit S: Starting Term A: Acknowledge Bit P: Ending Term ♦SLAVE ADDRESS R/W: Set the Write Mode or Read Mode. ADR : Set the Slave Address by “ADR” terminal. Slave Address MSB R Write Mode, ADR = 0/1 ...

Page 9

... YIN1 PbIN1 PrIN1 YIN2 PbIN2 PrIN2 YIN3 PbIN3 PrIN3 YIN4 PbIN4 PrIN4 BIT D4 D5 OUT1 Gain 6dB 0 1 0dB Gain 6dB 0 1 0dB NJW1321 OUT2 ...

Page 10

... NJW1321 ♦AUX: AUXILIARY SETTING No Data2 AUX0 AUX0 AUX1 AUX2 AUX3 ♦PORT: PORT SETTING No Data PORT0 PORT0 D7 OPEN PORT1 D5 OPEN PORT2 D3 OPEN ...

Page 11

... Pr IN2 Y IN1 Pb IN1 Pr IN1 50Ω/75Ω 50Ω/75Ω 50Ω/75Ω NJW1321 AUX3 AUX2 Y OUT2 AUX1 AUX0 10kΩ 10kΩ 10kΩ 10kΩ 10kΩ + 0.1µF 10µ 10µF ...

Page 12

... AUX 25, 26, 28 OUT1 Pb OUT1 Pr OUT1 75Ω 0.1µF 0.1µF 0.1µF 10µF 10µF 10µF 0.1µ NJW1320 NJW1321 1µF 0.1µF 1µF 1µF 0.1µF 0.1µF 75Ω 75Ω 75Ω Pr IN2 Y IN1 Pb IN1 Pin No. AUX3 AUX2 Y OUT2 ...

Page 13

... Please all connect V+ terminal and GND terminal. When the power supply voltage is not impressing, please do not impress voltage to the ADR terminal NJW1321 [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The ...

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