UTCMC34018 查看數據表（PDF） - Unisonic Technologies
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UTCMC34018 Datasheet PDF : 14 Pages
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UTCMC34018 LINEAR INTEGRATED CIRCUIT
(continued)
PARAMETER
ATTENUATORS
Receive Attenuator Gain(1.0kHz)
Rx Mode, Pin 24= VB, Pin 27 =
250Mvrms
Range (Rx to Tx Modes)
Idle Mode, Pin 27= 250mVrms
RXO Voltage (Rx Mode)
Delta RXO Voltage (Switch from Rx
to Tx Mode)
RXO Sink Current (Rx mode)
RXO Source Current (Rx mode)
RXI Input Resistance
Volume Control Range (Rx
Attenuator Gain, Rx Mode,
0.6VB<Pin 24<VB
ATTENUATORS
Transmit Attenuator Gain (1.0kHz)
Tx Mode, Pin 3 = 250mVrms
Range, (Tx to Rx Mode)
Idle Mode, Pin 3 = 250Mvrms
TXO Voltage (Tx mode)
Delta TXO Voltage (switch from Tc
to Rx Mode)
TXO Sink Current (Tx mode)
TXO Source Current (Tx mode)
TXO Input Resistance
ACF Voltage (VCC-Pin 25 Voltage)
Rx Mode
Tx Mode
Idle Mode
SYMBOL
GRX
∆GRX
GRI
VRXO
∆VRXO
IRXOL
IROXH
RRXI
VCR
GTX
∆GTX
GTXI
VTXO
∆VTXO
ITXOL
ITXOH
RTXI
∆VACF
SPEAKER AMPLIFIER
Speaker Amp Gain (pin 19 =
20mVrms)
SKI Input Resistance
SKO Voltage ( Pin 19 =Cap couple
to GND)
SKO High Voltage ( Pin 19 = 0.1V,
-100mA Load at Pin 15)
SKO Low Voltage (pin 19=0.1V,
+100mA Load at Pin 15)
MICROPHONE AMPLIFIER
Microphone Amp Gain ( Pin 9 =
10mVrms,1KHz)
Microphone Amp Input Resistance
GSPK
RSKI
VSKO
VSKOH
VSKOL
GMCI
RMCI
MIN
2.0
40
-20
1.8
75
1.0
3.5
24.5
4.0
40
-16.5
1.8
75
1.0
3.5
33
15
2.4
5.5
32.5
6.5
TYP
6.0
44
-16
2.3
5.0
MAX
10
48
-12
3.2
100
3.0
8.0
32.5
6.0
8.0
44
48
-13
-8.5
2.3
3.2
100
3.0
5.0
8.0
150
6.0
75
34
35
22
37
3.0
3.6
600
34
35
10
16
UNIT
dB
dB
dB
mV
mV
µA
mA
kΩ
dB
dB
dB
dB
Vdc
mV
µA
mA
kΩ
mV
mV
mV
dB
kΩ
Vdc
Vdc
mV
dB
kΩ
UTC
UNISONIC TECHNOLOGIES CO., LTD. 4
QW-R108-006,A
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