EUA4990
Pin Configurations
Package Type
Pin Configurations
(Top View)
WCSP-9
Pin Description
PIN
SHUTDOWN
PIN
PIN
I/O
DESCRIPTION
1
2
3
4
5
6
7
8
C3
C1
A3
A1
A2
B3
B1/B2
C2
I
I
I
I
O
I
The device enters in shutdown mode when a low level is applied on this pin
Bypass capacitor pin which provides the common mode voltage
Positive input of the first amplifier, receives the common mode voltage
Negative input of the first amplifier, receives the audio input signal. Connected to
the feedback resistor R
f
and to the input resistor R
in
.
Negative output of the EUA4990. Connected to the load and to the feedback
resistor R
f
Analog V
DD
input supply.
Ground connection for circuitry.
BYPASS
+IN
-IN
V
O1
V
DD
GND
V
O2
O
Positive output of the EUA4990.
DS4990
Ver 1.0
Mar. 2009
3