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MC34018L-R28-R 数据表(PDF) 6 Page - Unisonic Technologies

部件名 MC34018L-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

MC34018L-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,C
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)
ΔVRXO
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
k
Ω
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)
ΔVTXO
100
mV
Rx Mode
150
mV
Tx Mode
6.0
mV
ACF Voltage (VCC-Pin 25
Voltage)
ΔVACF
Idle Mode
75
mV
Transmit Attenuator Gain(1.0kHz)
GTX
4.0
6.0
8.0
dB
Tx Mode, Pin 3 = 250mVrms
ΔGTX
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
k
Ω
SPEAKER AMPLIFIER
Speaker Amp Gain
GSPK
Pin 19 = 20mVrms
33
34
35
dB
SKI Input Resistance
RIN
15
22
37
k
Ω
SKO Voltage
VO(SKO)
Pin 19 =Cap couple to GND
2.4
3.0
3.6
Vdc
High
VSKOH
Pin 19 = 0.1V, -100mA Load at
Pin 15
5.5
Vdc
SKO Voltage
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
k
Ω
LOGAMPS
RLO
Pin 8 = VB+1.0V
2.0
μA
Leakage Current
TLO
ILEAK
Pin 6 = VB+1.0V
2.0
μA
Transmit-Receive Switching
Threshold
ITH
Ratio of ITLI to IRLI - at 20
μA -to
Switch Tx-Rx Comparator)
0.8
1.2
TRANSMIT DETECTOR
Idle Mode
0
Vdc
XDC Voltage
Tx Mode
VXDC
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=-100
μA,Pin5=+100μA, except where noted.
Tx mode: Pin 5,13=-100
μA, pin 7=+100μA, Pin 11=0V.
Idle mode: Pin 5=-100
μA, 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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