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U4082BL-S28-R 数据表(PDF) 6 Page - Unisonic Technologies

部件名 U4082BL-S28-R
功能描述  VOICE SWITCHED SPEAKER-PHONE CIRCUIT
PDF  13 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

U4082BL-S28-R 数据表(HTML) 6 Page - Unisonic Technologies

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UNISONIC TECHNOLOGIES CO., LTD
U4082B
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
6 of 13
www.unisonic.com.tw
QW-R108-020.A
ELECTRICAL CHARACTERISTICS(Cont.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP MAX UNIT
Microphone Amplifier ( VMUT< 0.8V, AVCL=31dB, unless otherwise specified)
Output Offset
MCOVOS
VMCO-VB, RF=180 kΩ
-50
0
50
mV
Open Loop Gain
AVOLM
F<100Hz
70
80
dB
Gain Bandwidth
GBWM
1
MHz
Output High Voltage
VMCOH
IOUT =1mA, VCC=5V
3.7
V
Output Low Voltage
VMCOL
IOUT =1mA
200
mV
Input Bias Current
IBM
@MCI
-40
nA
Muting(
ΔGain)
GMT
f=1kHz, VMUT=2V
300Hz<f<10kHz
-55
-68
dB
MUT Input Resistance
RMUT
VCC=VMUT=6.5V
50
90
kΩ
MUT High Input Voltage
VMUTH
2
Vcc
V
MUT Low Input Voltage
VMUTL
0
0.8
V
Distortion
THDM
300Hz<f<10kHz
0.15
%
HYBID AMPLIFIER
HTO-Offset
HVOS
VHTO-~VB, RF=51kΩ
-20
0
20
mV
HTO- to HTO+ Offset
HBVOS
RF =51kΩ
-30
0
30
mV
Open Loop Gain
AVOLH
HTI to HTO-, F<100Hz
60
80
dB
Gain Bandwidth
GBWH
1
MHz
Closed Loop Gain
AVCLH
HTO- to HTO+
-0.35
0
0.35
dB
Input Bias Current(@HTI)
IBH
-30
nA
HTO- High Voltage
VHT-H
IOUT =-5mA
3.7
V
HTO- Low Voltage
VHT-L
IOUT =+5mA
250
mV
HTO+ High Voltage
VHT+H
IOUT =-5mA
3.7
V
HTO+ Low Voltage
VHT+L
IOUT =+5mA
450
mV
Distortion
THDM
300Hz<f<10kHz
0.3
%
Level Detectors And Background Noise Monitors
Transmit-Receive Switching
Threshold( Ratio of Current at RLI1+RLI2 to
20
μA at TLI1+TLI2 to Switch from Tx to Rx)
ITH
0.8
1
1.2
Source Current at RLO1, RLO2, TLO1, TLO2
ILSO
-2
mA
Sink Current at RLO1, RLO2, TLO1, TLO2
ILSK
4
µA
CPR, CPT Output Resistance
RCP
IOUT =1.5mA
35
Ω
CPR, CPT Leakage Current
ICPLK
-0.2
µA
Filter
Voltage Offset at FO
FOVOS
VFO-VB, 220kΩ from VB to FI
-200
-90
0
mV
FO Sink Current
IFO
150
260
400
µA
FI Bias Current
IFI
-50
nA
SYSTEM Distortion (f=1kHz)
RX Mode
THDR
from FI to RXO,
FO connected to RXI
0.5
3
%
TX Mode
THD
from MCI to HTO-/HTO+,
includes TX attenuator
0.8
3
%



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