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| U4090B-P Datasheet, PDF (18/35 Pages) ATMEL Corporation – Monolithic Integrated Feature Phone Circuit EMI Improved | |||
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6. 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 kâ¦,
Zear = 68 nF + 100â¦, ZM = 68 nF, pin 31 open, VIMPSEL = GND, VMUTX = GND, VMUTR = GND, unless otherwise specified.
Parameters
Test Conditions
Symbol
Min.
Typ.
Max.
PD Input
PD input current
Input voltage
Voltage drop at VL
Input Characteristics of IMPSEL
PD active, IL > 14 mA VPD = VMP
PD = active
PD = inactive
IL = 14 mA, PD = active
IL = 100 mA, PD = active
Ipd
9
Vpd
2
Vpd
0.3
VL
1.5
1.9
Input current
Input voltage
MUTX Input
IL ⥠14 mA
VIMPSEL = VMP
VIMPSEL = GND
Input high
Input low
IIMPSEL
IIMPSEL
VIMPSEL
VMP â
0.3V
18
â18
VIMPSEL
0.3
Input current
Input voltage
Line Detection
VMUTX = VMP
VMUTX = GND
Input high
Input low
IMUTX
IMUTX
20
30
â20
â30
VMUTX
VMP â
0.3V
VMUTX
0.3
Line current for LIDET active
PD = inactive
ILON
12.6
Line current for LIDET inactive
PD = inactive
ILOFF
11.0
Current threshold during power down VB = 5V, PD = active
ILONPD
0.8
1.6
2.4
Unit
µA
V
V
µA
µA
V
V
µA
µA
V
V
mA
mA
mA
18 U4090B-P
4741CâCORDâ11/05
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