MT91600
DC Electrical Characteristics
†
Characteristics
1
Supply Current
Sym.
I
DD
I
EE
I
BAT
PC
I
LOOP
22
Min.
Typ.
‡
Max.
11
8.5
45
90
28
Units
mA
mA
mA
mW
mA
Standby/Active
V
REF
= -10.3 V
Test circuit as Fig. 6
V
BAT
= -48 V
Data Sheet
Test Conditions
25
60
25
2
3
Power Consumption
Constant Current Line
Feed
Programmable Loop
Current Range
Operating Loop
(inclusive of Telephone
Set)
Off Hook Detection
Threshold
RLYC
Input Low Voltage
Input High Voltage
SHK
Output Low Voltage
Output High Voltage
Dial Pulse Distortion
ON
OFF
4
5
I
LOOP
R
LOOP
18
1200
450
32
mA
Ω
Ω
I
LOOP
= 18 mA
V
BAT
= -48 V
I
LOOP
= 18 mA
V
BAT
= -22 V
V
REF
= -10.3 V
V
BAT
= -48 V
See Note 5. I
LOOP
= 25 mA
lil = 50
µA
lih = +50
µA
Lol = 8 mA
Loh = -0.4 mA
6
SHK
20
mA
7
Vil
Vih
Vol
Voh
2.0
0.4
0.7
V
V
V
V
ms
ms
8
2.7
+4
+4
0.4
8
†Electrical Characteristics are over Recommended Operating Conditions unless otherwise stated.
‡
Typical figures are at 25°C with nominal +5 V and are for design aid only.
Note 5: Off hook detection is related to loop current.
13
Zarlink Semiconductor Inc.
ZARLINK [ ZARLINK SEMICONDUCTOR INC ]
