Datasheet

THS7303
www.ti.com SLOS479B –OCTOBER 2005– REVISED MARCH 2011
PIN CONFIGURATION
PW PACKAGE
TSSOP-20
(TOP VIEW)
PIN DESCRIPTIONS
PIN
NAME NO. DESCRIPTION
N/C 1, 20 No internal connection. It is recommended, but not required, to connect these pins to GND.
CH. 1 – INPUT A 2 Video input channel 1, input A
CH. 2 – INPUT A 3 Video input channel 2, input A
CH. 3 – INPUT A 4 Video input channel 3, input A
CH. 1 – INPUT B 5 Video input channel 1, input B
CH. 2 – INPUT B 6 Video input channel 2, input B
CH. 3 – INPUT B 7 Video input channel 3, input B
I2C-A1 8 I
2
C slave address control bit A1. Connect to V
S+
for a logic 1 preset value or GND for a logic 0 preset value.
I2C-A0 9 I
2
C slave address control bit A0. Connect to V
S+
for a logic 1 preset value or GND for a logic 0 preset value.
GND 10 Ground reference pin for all internal circuitry.
V
S+
11 Positive power-supply input pin. Connect to 2.7 V to 5 V.
Serial data line of the I
2
C bus. Pull-up resistor should have a minimum value of 2 kΩ and a maximum
SDA 12
value of 19 kΩ. Pull up to V
S+
.
I
2
C bus clock line. Pull-up resistor should have a minimum value of 2 kΩ and a maximum value of 19 kΩ.
SCL 13
Pull up to V
S+
.
CH. 3 – SAG 14 Video output channel 3 SAG correction pin. If SAG is not used, connect directly to CH. 3 – OUTPUT pin.
CH. 3 – OUTPUT 15 Video output channel 3 from either CH. 3 – INPUT A or CH. 3 – INPUT B.
CH. 2 – SAG 16 Video output channel 2 SAG correction pin. If SAG is not used, connect directly to CH. 2 – OUTPUT pin.
CH. 2 – OUTPUT 17 Video output channel 2 from either CH. 2 – INPUT A or CH. 2 – INPUT B.
CH. 1 – SAG 18 Video output channel 1 SAG correction pin. If SAG is not used, connect directly to CH. 1 – OUTPUT pin.
CH. 1 – OUTPUT 19 Video output channel 1 from either CH. 1 – INPUT A or CH. 1 – INPUT B.
Copyright © 2005–2011, Texas Instruments Incorporated Submit Documentation Feedback 9
Product Folder Link(s): THS7303