THS7303 Datasheet, PDF (10/43 Pages) Texas Instruments – 3-Channel Low Power Video Amplifier with I2C Control, Selectable Filters, 6-dB Gain, SAG Correction, 2:1 Input MUX, and Selectable Input Bias Modes

THS7303
SLOS479 – OCTOBER 2005
PIN CONFIGURATION
THS7303PW
TSSOP (20-Pin)
(Top View)
www.ti.com
A. NC indicates there is no internal connection to these pins.
TERMINAL FUNCTIONS
TERMINAL
NAME
N/C
CH. 1 – INPUT A
CH. 2 – INPUT A
CH. 3 – INPUT A
CH. 1 – INPUT B
CH. 2 – INPUT B
CH. 3 – INPUT B
I2C-A1
I2C-A0
GND
Vs+
SDA
SCL
CH. 3 - SAG
CH. 3 – OUTPUT
CH. 2 - SAG
CH. 2 – OUTPUT
CH. 1 - SAG
CH. 1 – OUTPUT
NO.
1, 20
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
DESCRIPTION
No Internal Connection
Video Input Channel 1. Input A
Video Input Channel 2. Input A
Video Input Channel 3. Input A
Video Input Channel 1. Input B
Video Input Channel 2. Input B
Video Input Channel 3. Input B
I²C Slave Address Control Bit A.1 Connect to Vs+ for a logic 1 preset value or GND for a logic 0 preset value.
I²C Slave Address Control Bit A0. Connect to Vs+ for a logic 1 preset value or GND for a logic 0 preset value.
Ground reference pin for all internal circuitry
Positive Power Supply Input Pin. Connect to 2.7 V to 5 V
Serial data line of the I²C bus. Pull-up resistor should have a minimum value = 2-kΩ and a maximum
value = 19-kΩ. Pull up to Vs+
I²C bus Clock Line. Pull-up resistor should have a minimum value = 2-kΩ and a maximum value = 19-kΩ.
Pull up to Vs+
Video output channel 3 SAG Correction Pin. If SAG is not used, connect directly to CH. 3 – OUTPUT pin.
Video output channel 3 from either CH. 3 – INPUT A or CH. 3 – INPUT B
Video output channel 2 SAG correction pin. If SAG is not used, connect directly to CH. 2 – OUTPUT pin.
Video output channel 2 from either CH. 2 – INPUT A or CH. 2 – INPUT B
Video output channel 1 SAG correction pin. If SAG is not used, connect directly to CH. 1 – OUTPUT pin.
Video output channel 1 from either CH. 1 – INPUT A or CH. 1 – INPUT B
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