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TS4962 Datasheet(PDF) 2 Page - STMicroelectronics

Part # TS4962
Description  2.8W filter-free mono class D audio power amplifier
PDF  46 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4962 Datasheet(HTML) 2 Page - STMicroelectronics

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Contents
TS4962
2/46
Contents
1
Absolute maximum ratings and operating conditions . . . . . . . . . . . . . 6
2
Application component information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.1
Electrical characteristics tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.2
Electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
4.1
Differential configuration principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
4.2
Gain in typical application schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
4.3
Common mode feedback loop limitations . . . . . . . . . . . . . . . . . . . . . . . . . 33
4.4
Low frequency response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
4.5
Decoupling of the circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
4.6
Wake-up time (tWU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
4.7
Shutdown time (tSTBY) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
4.8
Consumption in standby mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
4.9
Single-ended input configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
4.10
Output filter considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4.11
Several examples with summed inputs . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Example 1: Dual differential inputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Example 2: One differential input plus one single ended input . . . . . . . . . . . . . . . 38
5
Demo board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
6
Recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
7
DFN8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
8
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
9
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45



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