U4090B Datasheet, PDF (19/34 Pages) TEMIC Semiconductors – Monolithic Integrated Feature Phone Circuit

U4090B
Parameters
MUTR Input
Test Conditions / Pin Symbol Min Typ Max Unit Figure
MUTR input current
MUTR input voltage
PD Input
VMUTR = GND
I_L > 14 mA
VMUTR = V_MP
Mute low; I_L >
14 mA
Mute high;
I_L > 14 mA
I_MUTE
– 20
–30 mA
32
+ 10
V_MUTE
0.3
V
32
V_MUTE
VMP-0.3
V
V
32
PD input current
Input voltage
Voltage drop at V_L
PD active, I_L >
14 mA V_PD = V_MP
Ipd
9
uA
32
PD = active
PD = inactive
V_pd
V_pd
2
0.3
V
32
I_L = 14 mA,
PD = active
V_L
I_L = 100 mA,
PD = active
V_L
1.5
V
32
1.9
w Input characteristics of IMPSEL
I_L 14 mA
Input current
V_IMPSEL = V_MP
V_IMPSEL = GND
Input voltage
Input high
Input low
MUTX input
Input current
V_MUTX = V_MP
V_MUTX = GND
Input voltage
Input high
Input low
Line detection
I_IMPSEL
18
I_IMPSEL
– 18
V_IMPSEL
VMP-0.3
V
mA
32
mA
V
32
V_IMPSEL
0.3
V
32
I_MUTX
I_MUTX
20
30
mA
– 20
– 30
mA
32
V_MUTX
VMP-0.3
V
V
32
V_MUTX
0.3
V
32
Line current for LIDET
active
PD = inactive
ILON
12.6
mA
26
Line current for LIDET
inactive
PD = inactive
ILOFF
11.0
mA
26
Current threshold during
power down
V_B = 5 V, PD = ac-
tive
ILONPD 0.8
1.6
2.4
mA
26
TELEFUNKEN Semiconductors
Rev. C1, 28-Oct-96
Preliminary Information
19 (34)