U4084B datasheet(8/26 Pages) TEMIC

Part #	U4084B

Description	Low-Voltage, Voice-Switched Circuit for Hands-Free Operation

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Manufacturer	TEMIC [TEMIC Semiconductors]

Direct Link	http://www.temic.de

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U4084B

TELEFUNKEN Semiconductors

Rev. A1, 31-Jan-97

Preliminary Information

8 (26)

Temperature Characteristics

Parameter

Typical Value @ 25

°C

Typical Change –20 to +60

°C

Supply current, CD = 0.8 V

IS

4.0 mA

–0.3%/

°C

Supply current, CD = 2.0 V

IS

400.0

mA

–0.4%/

°C

VB output voltage, VS = 5.0 V

VO

2.1 V

+0.8%/

°C

Attenuator gain (max. gain)

+6.0 dB

0.0008 dB/

°C

Attenuator gain (max. attenuation)

–46.0 dB

0.004 dB/

°C

Attenuator input resistance (@ TI, RI)

10.0 k

W

+0.6%/

°C

Dial-tone detector threshold

15.0 mV

+20.0

mV/°C

CT source, sink current

"60.0 mA

*0.15%/°C

Microphone, hybrid offset

0.0 mV

"4.0 mV/°C

Transmit receive switching threshold

1.0

"0.02%/°C

Sink current at RLO1, RLO2, TLO1, TLO2

4.0

mA

*10.0 nA/°C

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