AM79489-3JC View Datasheet(PDF) - Unspecified
Part Name
Description
Manufacturer
AM79489-3JC Datasheet PDF : 20 Pages
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ELECTRICAL CHARACTERISTICS
Description
Test Conditions (See Note 1)
Transmission Performance
2-wire return loss
(See Test Circuit D)
200 Hz to 3.4 kHz
Analog output (VTX) impedance
Analog output (VTX) offset voltage
Overload level, 2-wire
Active state
Active state, OVH = 0
Overload level
Open loop, RLAC = 900 Ω,
OVH = 0
THD, Total Harmonic Distortion 0 dBm
+7 dBm
THD, open loop
0 dBm, RLAC = 600 Ω
Longitudinal Capability (See Test Circuit C)
Longitudinal to metallic L-T
200 Hz to 1 kHz
Normal and reverse polarity
Normal polarity
Normal polarity 0°C to +70°C
Normal polarity –40°C to +85°C
Reverse polarity –40°C to +85°C
Longitudinal to metallic L-T
1 kHz to 3.4 kHz
Normal and reverse polarity
Normal polarity
Normal polarity 0°C to +70°C
Normal polarity –40°C to +85°C
Reverse polarity –40°C to +85°C
Longitudinal signal generation 4-L 200 Hz to 3.4 kHz
Longitudinal current per pin
(A or B)
Active state
Longitudinal impedance at A or B 0 to 100 Hz
Longitudinal Induction
Idle Channel Noise
C-message weighted noise
RL = 600 Ω
Psophometric weighted noise
RL = 600 Ω
Insertion Loss (See Test Circuits A and B)
Gain, 4- to 2-wire
0 dBm, 1 kHz
0°C to 70°C
–40°C to 85°C
–5, –6*
–5, –6*
–1, –6*
–3, –5
–2, –4
–2, –4
–2
–1, –6*
–3, –5
–2, –4
–2, –4
–2
Gain, 2- to 4-wire, 4-to-4-wire
0 dBm, 1 kHz
0°C to 70°C
–40°C to 85°C
Gain, 4- to 2-wire
Gain, 2- to 4-wire, 4- to 4-wire
Gain over frequency
Gain tracking
Gain tracking open loop
Group delay
Note:
* P.G. = Performance Grade
Open loop
Open loop
300 to 3.4 kHz, relative to 1 kHz
+3 dBm to –55 dBm relative to 0 dBm
0 dB to –15 dB
0 dBm, 1 kHz
Min
26
–50
2.5
7
3.86
52
52
60
58
54
52
52
54
54
54
40
15
–0.15
–0.20
–6.05
–6.10
–0.35
–6.25
–0.10
–0.10
–0.35
Typ
3
–64
–55
27
25
+7
–83
0
0
–5.90
–5.90
–5.90
4
Max
20
+50
–50
–40
–36
23
+12
–78
+0.15
+0.20
–5.75
–5.70
+0.35
–5.55
+0.10
+0.10
+0.35
Unit Note
dB 4, 6
Ω
4
mV
Vpk
2a,
3
Vrms 2b,
3
3
dB
4
dB
8
dB
mArms 7
Ω/pin 4
dBrnc 4
dBrnC 4, 8
dBmp 8
4
4
dB
4
4
4
µs 4, 6
6
Am79489 Data Sheet
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