Datasheet

1
+INR
2
3
4
–INR
OUTR
GND
5
6
7
8
Mute
VSS
CN
9
10
11
12
13
14
CP
VDD
GND
OUTL
–INL
+INL
Charge Pump
UVP
External
Under-
Voltage
Detector
TPA6138A2
SLOS704A –JANUARY 2011– REVISED MAY 2011 www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
TERMINAL ASSIGNMENT
The TPA6138A2 is available in the TSSOP package:
• 14-pin TSSOP package (PW)
PW PACKAGE
(TOP VIEW)
PIN FUNCTIONS
PIN
I/O
(1)
DESCRIPTION
NAME NO.
CN 7 I/O Charge-pump flying capacitor negative connection
CP 8 I/O Charge-pump flying capacitor positive connection
GND 4, 10 P Ground
–INL 13 I Left-channel OPAMP negative input
+INL 14 I Left-channel OPAMP positive input
–INR 2 I Right-channel OPAMP negative input
+INR 1 I Right-channel OPAMP positive input
Mute 5 I Mute, active-low
OUTL 12 O Left-channel OPAMP output
OUTR 3 O Right-channel OPAMP output
UVP 11 I Undervoltage protection; internal pull-up, unconnected if UVP function is unused.
VDD 9 P Positive supply
VSS 6 P Supply voltage
(1) I = input, O = output, P = power
2 Copyright © 2011, Texas Instruments Incorporated