CXA2125Q Datasheet, PDF (7/35 Pages) Sony Corporation – Audio/Video Switch with Electronic Volume for 3 Scart

Pin
No.
Symbol
Pin
voltage
Equivalent circuit
VCC = 12V
45 HW_MUTE —
147Ω 72kΩ
45
28kΩ
CXA2125Q
Description
HW MUTE: This pin is
active high > 2.5V < 9V.
When high, all audio
muted.
28 LOGIC
—
VCC = 12V
28
VCC = 9V
3V
4.5kΩ
7.5kΩ
8µA
40kΩ
Open collector logic pins.
50
FBLK_
OUT
VCC = 12V
100Ω
—
100Ω
50
VCC = 9V
100µA
100µA
Fast Blank output set by
I²C to input FBLK_IN1,
FBLK_IN2, or FBLK_IN3.
High = 5.3V
Low = 1.2V
Connected to external
emitter follower.
52 FBLK_IN1
53 FBLK_IN2
—
51 FBLK_IN3
VCC = 12V
50µA
52
53
51
147Ω
VCC = 9V
Fast Blank inputs.
Low = < 0.4V
High = > 1.0V, < 3.0V
90µA
–7–