U4030B Datasheet, PDF (8/14 Pages) TEMIC Semiconductors – Telephone Speech Circuit

U4030B
Parameters
Test Conditions / Pins Symbol Min.
Typ.
Max.
Unit
Mute input, (figure 12)
MUTE input current
MUTE-off input voltage
V_MUTE = 6 V
V_MUTE = 0.3 V
MUTE-on input voltage
Supply voltages (figure 10)
I_MUTE
V_MUTE
V_MUTE
1.5
120
mA
– 25
mA
0.3
V
V
Output voltage
Output voltage
Output current
I_L = 19 mA
I_D = 4.5 mA
V_MIC = 10 mV
I_L = 50 mA
I_D = 15 mA
V_MIC = 10 mV
I_L = 19 mA
m ^{ID = 3 mA}
I_M = 300 A
Output resistance
DTMF-amplifier (figure 12)
Input resistance
DTMF-gain
Max. output voltage
W ^{Load = ZR}
0 < R_v < 1530
I_L = 19 to 60 mA
x^{Load = ZR}
d 2%
V_D
4.0
4.5
V
5.5
6.2
V
V_M
2.2
V
I_M
300
mA
R_O
300
W
R_D
22
31
37
kW
G_D
24.7
26
27
dB
1.8
V_rms
Privacy (figure 12)
PRIV-on input voltage
PRIV-off input voltage
Input current
V_PRIV = 6 V
V_PRIV
2
V_PRIV
I_PRIV
V
0.8
V
60
mA
8 (14)
Rev. A2, 27-Jan-98