MH88422
Preliminary Information
Loop Electrical Characteristics † (continued)
5 Leakage Current
(Tip or Ring to AGND)
10
µA 100V DC
6 Leakage Current on-hook
(Tip to Ring)
9
10
µΑ VBAT = -50V
7 DC Resistance during dialling
-1 Variant
All other Variants
200 220
260 280
Ω ILoop = 20 - 40 mA
Ω
8 Dial Pulse Distortion
BD-1 Variant ON
OFF
All other Variants ON
OFF
0
+1 +2 ms
0
+1 +2 ms
0
+2 +4 ms
0
+2 +4 ms
† Electrical Characteristics are over Recommended Operating Conditions unless otherwise stated.
‡Typical figures are at 25°C with nominal + 5V supplies and are for design aid only.
Note 1: Refer to FTZ 1TR2 section 2.2
Note 2: Refer to EIA/TIA 464 section 4.1.1.4.4
Note 3: Refer to BS6305 section 4.3.1
Note 4: Refer to ZV5 Annex 1
DC Electrical Characteristics †
Characteristics
Sym Min Typ‡ Max Units
Test Conditions
1
Supply Current
IDD
1
5
mA VDD = 5.0V, On-hook
2 RVLC Low Level Output Voltage VOL
High Level Output Voltage VOH 2.4
0.4
V IOL = 4mA
V IOH = 0.4mA
3 LC
Low Level Input Voltage
VIL
0.8
V
High Level Input Voltage
VIH 2.0
V
Low Level Input Current
IIL
-60
µA VIL = 0.0V
High Level Input Current
IIH
60
µA VIH = 5.0V
† Electrical Characteristics are over Recommended Operating Conditions unless otherwise stated.
‡Typical figures are at 25°C with nominal + 5V supplies and are for design aid only.
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