UTC U2429
SERIAL DATA CONTROL DUAL
ELECTRONIC VOLUME
DESCRIPTION
The UTC U2429 is a dual channel electronic volume
controlled with 2-wire serial data.
The built-in reference circuit can compose of an
electronic volume with less external parts.
CMOS IC
SOP-8
FEATURES
* Built-in reference circuit
* Control with serial data
Volume 0 ~ -83dB (1dB/step), -鈭?/div>
(Independent control is allowed in each channel)
* Low noise and low distortion
VNO = 5碌Vrms (ATT = -鈭?
THD = 0.01% Typ. (V0 = 0.5Vrms)
DIP-8
PIN CONFIGURATION
V
IN1
V
OUT1
GND
DATA
1
2
3
4
8
7
6
5
V
IN2
V
OUT2
V
CC
CLOCK
PIN DESCRIPTION
PIN No.
1
2
3
4
5
6
7
8
PIN NAME
V
IN 1
V
OUT1
GND
DATA
CLOCK
V
CC
V
OUT2
V
IN2
FUNCTION
1-ch input pin
1-ch output pin
Ground pin
Control data input pin. Inputs data in synchronization with clock.
Clock input pin for transferring serial data.
Power supply pin. Stabilize the pin with decoupling capacitor.
2-ch output pin
1-ch input pin
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R502-031,A
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