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MC34018G-R28-R 数据表(PDF) 6 Page - Unisonic Technologies

部件名 MC34018G-R28-R
功能描述  VOICE SWITCHED SPEAKER-PHONE CIRCUIT
PDF  8 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

MC34018G-R28-R 数据表(HTML) 6 Page - Unisonic Technologies

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MC34018
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
6 of 8
www.unisonic.com.tw
QW-R108-006.E
ELECTRICAL CHARACTERISTICS (Cont.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
RXO Voltage (Rx Mode)
VRXO
1.8
2.3
3.2
mV
Delta RXO Voltage
(Switch from Rx to Tx Mode)
VRXO
100
mV
RXO Sink Current (Rx mode)
IRXOL
75
μA
RXO Source Current (Rx mode)
IROXH
1.0
3.0
mA
RXI Input Resistance
RRXI
3.5
5.0
8.0
kΩ
Volume Control Range
VCR
Rx Attenuator Gain, Rx Mode,
0.6VB<Pin 24<VB
24.5
32.5
dB
ATTENUATORS
TXO Voltage (Tx mode)
VTXO
1.8
2.3
3.2
Vdc
Delta TXO Voltage (switch from Tc
to Rx Mode)
VTXO
100
mV
ACF Voltage (VCC-Pin 25 Voltage)
VACF
Rx Mode
150
mV
Tx Mode
6.0
mV
Idle Mode
75
mV
Transmit Attenuator Gain(1.0kHz)
GTX
4.0
6.0
8.0
dB
Tx Mode, Pin 3 = 250mVrms
GTX
40
44
48
dB
Range, (Tx to Rx Mode)
Idle Mode, Pin 3 = 250Mvrms
GTXI
-16.5
-13
-8.5
dB
TXO Sink Current (Tx mode)
ISINK
75
μA
TXO Source Current (Tx mode)
ISOURCE
1.0
3.0
mA
TXO Input Resistance
RIN
3.5
5.0
8.0
kΩ
SPEAKER AMPLIFIER
Speaker Amp Gain
GSPK
Pin 19 = 20mVrms
33
34
35
dB
SKI Input Resistance
RIN
15
22
37
kΩ
SKO Voltage
VO(SKO)
Pin 19 =Cap couple to GND
2.4
3.0
3.6
Vdc
SKO Voltage
High
VSKOH
Pin 19 = 0.1V, -100mA Load at
Pin 15
5.5
Vdc
Low
VSKOL
Pin 19=0.1V
+100mA Load at Pin 15
600
mV
MICROPHONE AMPLIFIER
Microphone Amp Gain
GMCI
Pin 9 = 10mVrms,1KHz
32.5
34
35
dB
Microphone Amp Input Resistance
RMCI
6.5
10
16
kΩ
LOGAMPS
Leakage Current
RLO
ILEAK
Pin 8 = VB+1.0V
2.0
μA
TLO
Pin 6 = VB+1.0V
2.0
μA
Transmit-Receive Switching
Threshold
ITH
Ratio of ITLI to IRLI - at 20
A -to
Switch Tx-Rx Comparator)
0.8
1.2
TRANSMIT DETECTOR
XDC Voltage
Idle Mode
VXDC
0
Vdc
Tx Mode
4.0
Vdc
CP2 Current Source
ICP2
5.0
10
13
μA
Distortion
Rx Mode, RXI to SKO
RXD
Pin 27 = 10mVrms,1KHz
1.5
%
Tx Mode, MCI to TXO
TXD
Pin 9 = 5mVrms,1KHz
2.0
%
Note 1: V+=7.5V, CS =0.7V except where noted.
Note 2: Rx mode: Pin7=-100μA,Pin5=+100μA, except where noted.
Tx mode: Pin 5,13=-100
A, pin 7=+100μA, Pin 11=0V.
Idle mode: Pin 5=-100μA, pin 7, 13=+100μA.
Note 3: Current into a pin designed as +, current out of a pin designed
Note 4: Voltage referred to pin 22, TA=25C.



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