TS472IQT datasheet(2/24 Pages) STMICROELECTRONICS

部品番号	TS472IQT

部品情報	Very low noise microphone preamplifier with 2.0V bias output and active low standby mode

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メーカー	STMICROELECTRONICS [STMicroelectronics]

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2 / 24 page

Contents

TS472

2/24

Contents

1

Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2

Typical application schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3

Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4

Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

5

Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5.1

Differential configuration principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5.2

Higher cut-off frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5.3

Lower cut-off frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5.4

Low-noise microphone bias source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5.5

Gain settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

5.6

Wake-up time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5.7

Standby mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5.8

Layout considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5.9

Single-ended input configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5.10

Demo board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

6

Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

6.1

Flip-chip package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

6.2

QFN24 package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

7

Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

同様の部品番号 - TS472IQT

メーカー	部品番号	データシート	部品情報
STMicroelectronics	TS472	611Kb / 20P	Very Low Noise Microphone Preamplifier with 2V Biased Output and Active Low Standby Mode
STMicroelectronics	TS472EIJT	611Kb / 20P	Very Low Noise Microphone Preamplifier with 2V Biased Output and Active Low Standby Mode

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同様の説明 - TS472IQT

メーカー	部品番号	データシート	部品情報
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