Datasheet

Description
1-3
Introduction
1.2 Description
The TPA711 MSOP audio power amplifier evaluation module is a complete,
low-power single-channel audio power amplifier. It consists of the TI TPA711
700-mW low-voltage audio power amplifier IC in a very small MSOP package,
along with a small number of other parts mounted on a circuit board that is
approximately one and a quarter inches square (Figure 1–1).
Figure 1–1. The TI TPA711 Audio Amplifier Evaluation Module
OUT+
IN
GND
Vdd GND
U1
†
R2
Shutdown
R4
OUT–
GND
+
TEXAS
INSTRUMENTS
SLOP214
TPA711 MSOP EVM
C5
C2
C1
R3
SE/BTL
C4
S1
R1
C3
†
Due to the very small size of the MSOP IC package, the standard part number TPA711 is replaced with the code TIABB
Single in-line header pins are mounted to the underside of the module circuit
board to allow the EVM to be plugged into the TI plug-n-play audio amplifier
evaluation platform or to be wired directly into existing circuits and equipment
when used stand-alone.
The platform has room for a pair of TPA711 MSOP evaluation modules and is
a convenient vehicle for demonstrating TI’s audio power amplifier and related
evaluation modules. The EVMs simply plug into the platform, which
automatically provides power to the modules, interconnects them correctly,
and connects them to a versatile array of standard audio input and output jacks
and connectors. Easy-to-use configuration controls allow the platform and
EVMs to quickly model many possible end-equipment configurations.
There is nothing to build, nothing to solder, and nothing but the speakers
included with the platform to hook up.
1.3 TPA711 EVM Specifications
Supply voltage range, V
DD
2.5 V to 5.5 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supply current, I
DD
450 mA, max. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous output power, P
O
:8-Ω BTL, V
DD
=5 V 700 mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32-Ω SE, V
DD
=5 V 85 mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audio input voltage, V
I
2 Vpp, max. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Minimum load impedance, R
L
8 Ω. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .