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MC34018-D28-T View Datasheet(PDF) - Unisonic Technologies

Part Name
Description
View to exact match
MC34018-D28-T
UTC
Unisonic Technologies UTC
MC34018-D28-T Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
MC34018
LINEAR INTEGRATED CIRCUIT
„ ELECTRICAL CHARACTERISTICS (Cont.)
PARAMETER
SYMBOL
TEST CONDITIONS
RXO Voltage (Rx Mode)
Delta RXO Voltage
(Switch from Rx to Tx Mode)
VRXO
ΔVRXO
RXO Sink Current (Rx mode)
RXO Source Current (Rx mode)
RXI Input Resistance
Volume Control Range
ATTENUATORS
IRXOL
IROXH
RRXI
VCR
Rx Attenuator Gain, Rx Mode,
0.6VB<Pin 24<VB
TXO Voltage (Tx mode)
Delta TXO Voltage (switch from
Tc to Rx Mode)
VTXO
ΔVTXO
ACF Voltage (VCC-Pin 25
Voltage)
ΔVACF
Rx Mode
Tx Mode
Idle Mode
Transmit Attenuator Gain(1.0kHz)
Tx Mode, Pin 3 = 250mVrms
Range, (Tx to Rx Mode)
Idle Mode, Pin 3 = 250Mvrms
GTX
ΔGTX
GTXI
TXO Sink Current (Tx mode)
TXO Source Current (Tx mode)
TXO Input Resistance
SPEAKER AMPLIFIER
ISINK
ISOURCE
RIN
Speaker Amp Gain
SKI Input Resistance
SKO Voltage
SKO Voltage
High
Low
GSPK
RIN
VO(SKO)
VSKOH
VSKOL
Pin 19 = 20mVrms
Pin 19 =Cap couple to GND
Pin 19 = 0.1V, -100mA Load at
Pin 15
Pin 19=0.1V
+100mA Load at Pin 15
MICROPHONE AMPLIFIER
Microphone Amp Gain
Microphone Amp Input
Resistance
GMCI
RMCI
Pin 9 = 10mVrms,1KHz
LOGAMPS
Leakage Current
RLO
TLO
Transmit-Receive Switching
Threshold
ILEAK
ITH
Pin 8 = VB+1.0V
Pin 6 = VB+1.0V
Ratio of ITLI to IRLI - at 20μA -to
Switch Tx-Rx Comparator)
TRANSMIT DETECTOR
XDC Voltage
Idle Mode
Tx Mode
VXDC
CP2 Current Source
ICP2
Distortion
Rx Mode, RXI to SKO
RXD Pin 27 = 10mVrms,1KHz
Tx Mode, MCI to TXO
TXD Pin 9 = 5mVrms,1KHz
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=-100μA, 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.
MIN
1.8
75
1.0
3.5
24.5
1.8
4.0
40
-16.5
75
1.0
3.5
33
15
2.4
5.5
32.5
6.5
0.8
5.0
TYP
2.3
5.0
2.3
150
6.0
75
6.0
44
-13
5.0
34
22
3.0
34
10
0
4.0
10
1.5
2.0
MAX UNIT
3.2 mV
100 mV
μA
3.0 mA
8.0 kΩ
32.5 dB
3.2 Vdc
100 mV
mV
mV
mV
8.0 dB
48 dB
-8.5 dB
μA
3.0 mA
8.0 kΩ
35 dB
37 kΩ
3.6 Vdc
Vdc
600 mV
35 dB
16 kΩ
2.0 μA
2.0 μA
1.2
Vdc
Vdc
13 μA
%
%
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
6 of 8
QW-R108-006,C
 

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