ELECTRICAL CHARACTERISTICS (continued)
Description
On-hook Open Circuit state
–1*
On-hook OHT state
–1*
On-hook Active state
–1*
Off-hook OHT state
Off-hook Active state
Supply Currents
V
CC
on-hook supply current
Open Circuit state
OHT state
Active state
Open Circuit state
OHT state
Active state
Open Circuit state
OHT state
Active state
3.0
6.0
7.5
1.0
2.2
2.7
0.4
3.0
4.0
4.5
10.0
12.0
2.3
3.5
6.0
1.0
5.0
6.0
mA
R
L
= 600
Ω
R
L
= 600
Ω
Test Conditions (See Note 1)
Min
Typ
35
35
135
135
200
200
500
650
Max
120
80
250
200
400
300
750
1000
mW
Unit
Note
Power Dissipation Battery =
–48
V, Normal Polarity
V
EE
on-hook supply current
V
BAT
on-hook supply current
Power Supply Rejection Ratio (V
RIPPLE
= 50 mVrms)
V
CC
50 Hz to 3400 Hz
–1*
3.4 kHz to 50 kHz
–1*
V
EE
50 Hz to 3400 Hz
–1*
3.4 kHz to 50 kHz
–1*
V
BAT
50 Hz to 3400 Hz
–1
3.4 kHz to 50 kHz
–1*
Off-Hook Detector
Current threshold accuracy
I
DET
= 365/R
D
Nominal
B(RING) to GND
B(RING) to GND
Midpoint to GND
Ring-Trip Detector Input
Bias current
Offset voltage
Input High voltage
Input Low voltage
Input High current
Input High current
Input Low current
All inputs except E1
Input E1
–75
–75
–0.40
Source resistance 0 to 2 MΩ
–5
–50
2.0
0.80
40
45
–0.05
0
+50
–20
+20
%
25
30
22
25
20
25
10
10
27
30
20
25
45
45
35
35
40
40
25
25
45
45
40
40
dB
6, 7
Ground-Key Detector Thresholds, Active state, Battery =
–48
V (See Test Circuit F)
Ground-key resistance threshold
Ground-key current threshold
2.0
5.0
9
9
mA
8
10.0
kΩ
µ
A
mV
12
Logic Inputs (C4–C1, E0, E1, and CHCLK)
V
µ
A
mA
8
Am79M535 Data Sheet
AMD [ ADVANCED MICRO DEVICES ]
