MC34118_09 Datasheet, PDF (5/12 Pages) Unisonic Technologies – VOICE SWITCHED SPEAKER-PHONE CIRCUIT

MC34118
LINEAR INTEGRATED CIRCUIT
„ ELECTRICAL CHARACTERISTICS(Cont.)
PARAMETER
SYMBOL
TEST CONDITIONS
Transmit Attenuator Gain (f=1kHz)
T_X Mode, T_XI=150mVrms
Idle Mode, T_XI=150mVrms
T_X to Rx Mode Range
T_XO DC Voltage
ΔT_XO DC Voltage
T_XO High Voltage
T_XO Low Voltage
T_XI Input Resistance
Gain Tracking
Attenuator Control
G_TX
G_TXI
ΔG_TXI
V_TXO
ΔV_TXO
V_TXOH
V_TXOL
R_TXI
G_TR
T_X
T_X to R_X Mode
I_OUT=-1mA, T_XI=V_B+1.5V
I_OUT =+1mA, T_XI=V_B-1V,
Output Measured with
Respect to V_B
T_XI<350mVrs
G_RX+G_TX, @T_X, I_DIE, R_X
CT Voltage ( CT-V_B)
R_X Mode
Idle Mode
V_LC=V_B
T_X Mode
CT Source Current
I_CTR (Switching to R_X Mode)
CT Sink Current
I_CTT (Switching to T_X Mode)
CT Slow Idle Current
I_CTS
CT Fast Idle Internal Resistance
R_FI
VLC Input Current
I_VLC
Dial Tone Detector Threshold
V_DT
Microphone Amplifier ( V_MUT< 0.8V, A_VCL=31dB, unless otherwise specified)
Output Offset
M_COVOS V_MCO-V_B, R_F=180 kΩ
Open Loop Gain
A_VOLM F<100Hz
Gain Bandwidth
G_BWM
Output High Voltage
V_MCOH I_OUT =1mA, V_CC=5V
Output Low Voltage
V_MCOL I_OUT =1mA
Input Bias Current
I_BM @MCI
Muting(ΔGain)
G_MT
f=1kHz, V_MUT=2V
300Hz<f<10kHz
MUT Input Resistance
R_MUT V_CC=V_MUT=6.5V
MUT High Input Voltage
V_MUTH
MUT Low Input Voltage
Distortion
HYBID AMPLIFIER
V_MUTL
THD_M 300Hz<f<10kHz
HTO-Offset
HTO- to HTO+ Offset
Open Loop Gain
Gain Bandwidth
Closed Loop Gain
Input Bias Current(@HTI)
HTO- High Voltage
HTO- Low Voltage
HTO+ High Voltage
HTO+ Low Voltage
Distortion
H_VOS
H_BVOS
A_VOLH
G_BWH
A_VCLH
I_BH
V_HT-H
V_HT-L
V_HT+H
V_HT+L
THD_M
V_HTO-~V_B, R_F=51kΩ
R_F =51kΩ
H_TI to H_TO-, F<100Hz
H_TO- to H_TO+
I_OUT =-5mA
I_OUT =+5mA
I_OUT =-5mA
I_OUT =+5mA
300Hz<f<10kHz
MIN TYP MAX UNIT
4 6 8 dB
-22 -20 -17 dB
49 52 54 dB
VB
V
+-30 +-150 mV
3.7
V
-1.5 -1 V
7 10 14 kΩ
+-0.1
dB
240
mV
0
mV
-240
mV
-85 -60 -40 µA
+40 +60 +85 µA
0
µA
1.5 2 3.6 kΩ
-60
nA
10 15 20 mV
-50 0 50 mV
70 80
dB
1
MHz
3.7
V
200 mV
-40
nA
-55
-68
dB
50 90
kΩ
2
Vcc _V
0
0.8 V
0.15
%
-20 0 20 mV
-30 0 30 mV
60 80
dB
1
MHz
-0.35 0 0.35 dB
-30
nA
3.7
V
250 mV
3.7
V
450 mV
0.3
%
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R108-007,D