U4084B Datasheet, PDF (8/26 Pages) TEMIC Semiconductors – Low-Voltage, Voice-Switched Circuit for Hands-Free Operation

U4084B
Temperature Characteristics
Parameter
Supply current, CD = 0.8 V
I_S
Supply current, CD = 2.0 V
I_S
V_B output voltage, V_S = 5.0 V V_O
Attenuator gain (max. gain)
Attenuator gain (max. attenuation)
Attenuator input resistance (@ TI, RI)
Dial-tone detector threshold
CT source, sink current
Microphone, hybrid offset
Transmit receive switching threshold
Sink current at RLO1, RLO2, TLO1, TLO2
Typical Value @ 25°C
4.0 mA
400.0 mA
2.1 V
+6.0 dB
–46.0 dB
10.0 kW
15.0 mV
"60.0 mA
0.0 mV
1.0
4.0 mA
Typical Change –20 to +60°C
–0.3%/°C
–0.4%/°C
+0.8%/°C
0.0008 dB/°C
0.004 dB/°C
+0.6%/°C
m +20.0 V/°C
*0.15%/°C
"4.0 mV/°C
"0.02%/°C
*10.0 nA/°C
8 (26)
TELEFUNKEN Semiconductors
Preliminary Information
Rev. A1, 31-Jan-97