am79m576a Advanced Micro Devices, am79m576a Datasheet - Page 6

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

ELECTRICAL CHARACTERISTICS
6
Analog output (V
Analog (V
Analog (RSN) input impedance
Longitudinal impedance at A or B
Overload level
Transmission Performance, 2-Wire Impedance
2-wire return loss
(See Test Circuit D)
Longitudinal Balance (2-Wire and 4-Wire, See Test Circuit C); R
Longitudinal to metallic L-T, L-4
Longitudinal sum (L-T) + (T-L)
Longitudinal signal generation
4-L or T-L
Longitudinal current capability
per wire
Dial pulse make or break
response time of DET
Insertion Loss (See Test Circuits A and B)
2- to 4-wire
4- to 2-wire
4- to 2-wire (In the presence of
2.2 Vrms metering)
Metering Signal Insertion Loss (See Test Circuit B)
4- to 2-wire
Insertion Loss vs. Frequency (See Test Circuits A and B)
2- to 4-wire or
4- to 2-wire
Gain Tracking (See Test Circuits A and B)
2- to 4-wire or
4- to 2-wire
Balance Return Signal (4- to 4-Wire, See Test Circuit B)
Gain accuracy
Variation with frequency relative
to 1 kHz
Gain tracking
Group delay
TX
Description
) output offset
TX
) impedance
4-wire
2-wire
300 Hz to 3.4 kHz
Z
300 Hz to 500 Hz
500 Hz to 2.5 kHz
2.5 kHz to 3.4 kHz
OHT 300 Hz to 3.4 kHz
300 Hz to 3.4 kHz
300 Hz to 3.4 kHz
300 Hz to 800 Hz
800 Hz to 3.4 kHz
Active state, 50 Hz to 200 Hz
OHT state, 50 Hz to 200 Hz
V
V
R
R
f = 12 kHz or 16 kHz
300 Hz to 3.4 kHz
Relative to 1 kHz
+7 dBm to –55 dBm
Reference: 0 dBm
0 dBm, 1 kHz
300 Hz to 3.4 kHz
+3 dBm to –55 dBm
Reference: –4 dBm
f = 1 kHz
IN
AB
RX
L
TMG
= 260, V
Test Conditions (See Note 1)
= 600 to 900
= 0 dBm, 1 kHz
= 0 dBm, 1 kHz
= 139.5 k
Am79M576A Data Sheet
AB
= 2.86 Vrms
–40 C to +85 C
+25 C to +85 C
–40 C to +85 C
–40 C to +85 C
–40 C to +85 C
–40 C to +85 C
–40 C to +85 C
–40 C to +85 C
0 C to +25 C
0 C to +70 C
0 C to +70 C
0 C to +70 C
0 C to +70 C
0 C to +70 C
0 C to +70 C
0 C to +70 C
–40 C to 0 C
L
= 600
–0.15
–0.20
–0.15
–0.15
–6.00
–6.05
–0.15
–0.15
–3.1
–5.5
5.70
5.65
–0.8
–0.1
–0.1
–0.1
–0.1
Min
–40
–35
–45
3.3
26
26
20
14
48
95
40
35
17
8
–5.85
–5.85
5.85
5.85
–0.2
Typ
5.3
3
1
+0.15
+0.20
+0.15
+0.15
–5.70
–5.65
+0.15
+0.15
Max
+3.1
+5.5
6.00
6.05
+0.4
+0.1
+0.1
+0.1
+0.1
+40
+35
+45
1.5
7.3
20
20
35
3
peak
Unit
Vpk
mV
mA
dB
dB
ms
dB
dB
dB
dB
dB
s
Note
3, 4
—
—
—
—
—
—
—
4
4
4
2
4
4
4
4
4
4
4
4
4
4
4
4