TS4990IST STMicroelectronics, TS4990IST Datasheet - Page 2

IC AMP AUDIO PWR 1.2W MONO 8MSOP

TS4990IST

Manufacturer Part Number
TS4990IST
Description
IC AMP AUDIO PWR 1.2W MONO 8MSOP
Manufacturer
STMicroelectronics
Type
Class ABr
Datasheet

Specifications of TS4990IST

Output Type
1-Channel (Mono)
Max Output Power X Channels @ Load
1.2W x 1 @ 8 Ohm
Voltage - Supply
2.2 V ~ 5.5 V
Features
Depop, Differential Inputs, Standby, Thermal Protection
Mounting Type
Surface Mount
Package / Case
8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
For Use With
497-6383 - BOARD DEMO FOR TS4990
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-4451-2

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Contents
Contents
1
2
3
4
5
6
7
2/32
Absolute maximum ratings and operating conditions . . . . . . . . . . . . . 3
Typical application schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
5.1
5.2
5.3
5.4
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
BTL configuration principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Gain in a typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Low and high frequency response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Power dissipation and efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Decoupling of the circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Wake-up time (t
Shutdown time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Pop performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Application example: differential input, BTL power amplifier . . . . . . . . . . 22
MiniSO-8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
DFN8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
SO-8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Flip-chip package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
WU
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
TS4990

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