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MC34118-S28-R Datasheet(PDF) 5 Page - Unisonic Technologies

Part # MC34118-S28-R
Description  VOICE SWITCHED SPEAKER-PHONE CIRCUIT
PDF  12 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

MC34118-S28-R Datasheet(HTML) 5 Page - Unisonic Technologies

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MC34118
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
5 of 12
www.unisonic.com.tw
QW-R108-007,D
ELECTRICAL CHARACTERISTICS(Cont.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP MAX UNIT
Transmit Attenuator Gain (f=1kHz)
TX Mode, TXI=150mVrms
GTX
4
6
8
dB
Idle Mode, TXI=150mVrms
GTXI
-22
-20
-17
dB
TX to Rx Mode Range
ΔGTXI
49
52
54
dB
TXO DC Voltage
VTXO
TX
VB
V
ΔTXO DC Voltage
ΔVTXO
TX to RX Mode
+-30 +-150 mV
TXO High Voltage
VTXOH
IOUT=-1mA, TXI=VB+1.5V
3.7
V
TXO Low Voltage
VTXOL
IOUT =+1mA, TXI=VB-1V,
Output Measured with
Respect to VB
-1.5
-1
V
TXI Input Resistance
RTXI
TXI<350mVrs
7
10
14
kΩ
Gain Tracking
GTR
GRX+GTX, @TX, IDIE, RX
+-0.1
dB
Attenuator Control
RX Mode
VLC=VB
240
mV
Idle Mode
0
mV
CT Voltage ( CT-VB)
TX Mode
-240
mV
CT Source Current
ICTR
(Switching to RX Mode)
-85
-60
-40
µA
CT Sink Current
ICTT
(Switching to TX Mode)
+40
+60
+85
µA
CT Slow Idle Current
ICTS
0
µA
CT Fast Idle Internal Resistance
RFI
1.5
2
3.6
kΩ
VLC Input Current
IVLC
-60
nA
Dial Tone Detector Threshold
VDT
10
15
20
mV
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
%



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