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| U4089B-P Datasheet, PDF (13/26 Pages) ATMEL Corporation – Monolithic Integrated Feature Phone Circuit | |||
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U4089B-P
Electrical Characteristics (Continued)
f = 1 kHz, 0 dBm = 775 mVrms, IM = 0.3 mA, IMP = 2 mA, RDC = 130 kâ¦, Tamb = 25°C, RGSA = 560 k,
Zear = 68 nF + 100 â¦, ZM = 68 nF, Pin 30 open (AGA), VMUTX = GND, see Figure 22 (AC tests), unless otherwise specified.
Parameters
Test Conditions
Pin
Symbol
Min.
Typ.
Max.
Unit
Supply Voltages, Vmic = 25 mV, Tamb = -10 to +60°C
VMP
IL = 14 mA,
RDC = 68 kâ¦
IMP = 2 mA
VM
IL w 14 mA,
IM = 300 µA
RDC = 130 kâ¦
VMP
3.1
3.3
3.5
V
VM
1.4
3.3
V
VB
MUTX Input (see Figure 20)
IB = + 20 mA,
IL = 0 mA
VB
7
7.6
V
Input current
Input voltage
VMUTX = VMP
VMUTX = GND
Input high
IMUTX
IMUTX
+20
+30
µA
-20
-30
µA
VMUTX
VMP -
0.3 V
V
Input low
VMUTX
0.3
V
13
4518AâCORDâ05/02
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