Datasheet TS472IQT - STMicroelectronics Audio Amplifiers Microphone Preamp Lo Noise

Detailed Description

Manufacturer: STMicroelectronics

Description: Audio Amplifiers Microphone Preamp Lo Noise

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Docket:
TS472
Very low noise microphone preamplifier with 2.0 V bias output and active low standby mode
Features
Flip-chip - 12 bumps
Low noise: 10 nV/Hz typ.

equivalent input noise at F = 1 kHz Fully-differential input/output 2.2 to 5.5 V single supply operation Low power consumption at 20 dB: 1.8 mA Fast start up time at 0 dB: 5 ms typ. Low distortion: 0.1% typ. 40 kHz bandwidth regardless of the gain Active low standby mode function (1 A max) Low noise 2.0 V microphone bias output Available in flip-chip lead-free package and in QFN24 4 x 4 mm package ESD protection (2 kV) Pin connections (top view)

Specifications:

• Audio Load Resistance: 0.01 Ohm
• Available Set Gain: 41 dB
• Input Signal Type: Differential
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 3 V, 5 V
• Operating Temperature Range: - 40 C to + 85 C
• Output Signal Type: Differential
• Output Type: 1-Channel Mono
• Package / Case: QFN-24
• Packaging Type: Reel
• Product: Class-AB
• Supply Current: 1.8 mA
• Supply Type: Single
• Supply Voltage Range: 2.2 V to 5.5 V
• THD plus Noise: 0.1 %
• RoHS: Yes