am79m576a Advanced Micro Devices, am79m576a Datasheet - Page 8

• Manufacturer Part Number: am79m576a
• Description: Metering Subscriber Line Interface Circuit
• Manufacturer: Advanced Micro Devices

ELECTRICAL CHARACTERISTICS (continued)
Note:
8
Supply Currents
V
V
V
V
Power Supply Rejection Ration (V
V
V
V
Off-Hook Detector
Current threshold
Ground-Key Off-Hook Detector Thresholds, Active State
Resistance threshold
Current threshold
Ring-Trip Detector Inputs
Bias current
Offset voltage
Logic Inputs (C3–C1, E0, E1, and CHCLK)
Input High voltage
Input Low voltage
Input High current
Input Low current
Logic Output (DET)
Output Low voltage
Output High voltage
Relay Driver
On voltage
(VCCRING to RINGOUT)
Off leakage
Zener breakover voltage
Zener On voltage
C3–C1, and E0 have an internal pull up. E1 has an internal pull down.
CC
EE
BAT
BAT
CC
EE
BAT
, on-hook supply current
, on-hook supply current
, on-hook supply current
, off-hook supply current
Description
Open Circuit state
OHT state
Active state
Open Circuit state
OHT state
Active state
Open Circuit state
OHT state
Active state
OHT state
R
40 Hz to 3.4 kHz
3.4 kHz to 50 kHz
40 Hz to 3.4 kHz
3.4 kHz to 50 kHz
40 Hz to 3.4 kHz
3.4 kHz to 50 kHz
I
B(RING) to GND
B(RING) to GND
Midpoint to GND
Source resistance = 0 to 200 k
All inputs except E1
Input E1
I
I
50 mA to VCCRING, RINGOUT
connected to AGND/DGND
100 A
30 mA
DET
OUT
OUT
Test Conditions (See Note 1)
L
RIPPLE
= 0 to 2.2 k
= 365/R
= 0.8 mA
= –0.1 mA
= 50 mVrms, Saturation Guard Inactive)
D
Am79M576A Data Sheet
–0.4
Min
–15
–50
–75
–75
2.0
2.0
2.4
6.0
18
18
20
13
27
20
–5
–0.05
10.0
Typ
1.0
2.3
2.3
0.4
2.2
3.2
0.5
7.2
35
30
30
25
30
30
2
5
6
5
9
0
Max
15.5
10.0
1.25
11.0
+15
+50
100
4.0
7.0
9.0
2.0
4.0
4.5
1.0
3.5
5.0
0.8
0.4
40
45
Unit
mA
mA
mV
mA
dB
k
%
V
V
V
V
A
A
A
Note
6, 7
6, 7
6, 7
8
*