ANALOG TRANSMISSION PERFORMANCE
(V
DD
= + 5 V ± 5%, V
= – 5 V ± 5%, V = V
= 0 V, V = RSI = V
(Internal 3.15 V Reference), 0 dBm0 = 1.546 Vrms = + 6 dBm @
SS
LS AG
ref SS
600 Ω, T = – 40 to + 85°C, TDC = RDC = CC = 2.048 MHz, TDE = RCE = MSI = 8 kHz, Unless Otherwise Noted)
A
End–to–End
A/D
D/A
Characteristic
Min
—
Max
—
Min
Max
Min
Max
Unit
dB
dB
dB
dB
dB
Absolute Gain (0 dBm0 @ 1.02 kHz, T = 25°C, V
= 5 V, V = – 5 V)
SS
– 0.30 + 0.30 – 0.30 + 0.30
A
DD
Absolute Gain Variation with Temperature 0 to + 70°C
Absolute Gain Variation with Temperature – 40 to +85°C
Absolute Gain Variation with Power Supply (V = 5 V, V
—
—
—
—
—
± 0.03
± 0.1
—
—
—
± 0.03
± 0.1
—
—
= – 5 V, 5%)
—
—
± 0.02
± 0.02
DD SS
Gain vs Level Tone (Relative to – 10 dBm0, 1.02 kHz) + 3 to – 40 dBm0 – 0.4
– 40 to – 50 dBm0 – 0.8
+ 0.4
+ 0.8
+ 1.6
– 0.2
– 0.4
– 0.8
+ 0.2
+ 0.4
+ 0.8
– 0.2
– 0.4
– 0.8
+ 0.2
+ 0.4
+ 0.8
– 50 to – 55 dBm0 – 1.6
Gain vs Level Pseudo Noise (A–Law Relative to – 10 dBm0)
dB
CCITT G.714
– 10 to – 40 dBm0
– 40 to – 50 dBm0
– 50 to – 55 dBm0
—
—
—
—
—
—
– 0.25 + 0.25 – 0.25 + 0.25
– 0.30 + 0.30 – 0.30 + 0.30
– 0.45 + 0.45 – 0.45 + 0.45
Total Distortion – 1.02 kHz Tone (C–Message)
0 to – 30 dBm0
– 40 dBm0
35
29
24
—
—
—
36
29
24
—
—
—
36
30
25
—
—
—
dBC
dB
– 45 dBm0
Total Distortion With Pseudo Noise (A–Law)
CCITT G.714
– 3 dBm0
– 6 to – 27 dBm0
27.5
35
—
—
—
—
—
28
—
—
—
—
—
28.5
36
34.2
30.0
15.0
—
—
—
—
—
35.5
33.5
28.5
13.5
– 34 dBm0 33.1
– 40 dBm0 28.2
– 55 dBm0 13.2
Idle Channel Noise (For End–End and A/D, See Note 1)
Mu–Law, C–Message Weighted
A–Law, Psophometric Weighted
—
—
15
– 69
—
—
15
– 69
—
—
9
– 78
dBrnC0
dBm0p
Frequency Response (Relative to 1.02 kHz @ 0 dBm0)
15 to 60 Hz
300 to 3000 Hz – 0.3
3400 Hz – 1.6
—
– 23
+ 0.3
0
– 28
– 60
—
– 23
—
0.15
dB
– 0.15 + 0.15 – 0.15 + 0.15
– 0.8
—
0
– 14
– 32
– 0.8
—
—
0
– 14
– 30
4000 Hz
≥ 4600 Hz
—
—
—
Inband Spurious (1.02 kHz @ 0 dBm0, Transmit and RxO)
—
—
—
– 43
—
– 43
dBm0
dB
300 to 3000 Hz
Out–of–Band Spurious at RxO (300 – 3400 Hz @ 0 dBm0 In)
4600 to 7600 Hz
—
—
—
– 30
– 40
– 30
—
—
—
—
—
—
—
—
—
– 30
– 40
– 30
7600 to 8400 Hz
8400 to 100,000 Hz
Idle Channel Noise Selective @ 8 kHz, Input = V , 30 Hz Bandwidth
AG
—
—
– 70
—
—
—
—
—
—
– 70
180
dBm0
µs
Absolute Delay @ 1600 Hz (TDC = 2.048 MHz, TDE = 8 kHz)
310
Group Delay Referenced to 1600 Hz (TDC = 2048 kHz,
µs
TDE = 8 kHz)
500 to 600 Hz
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
200
140
70
40
75
– 40
– 40
– 30
– 20
—
—
—
—
—
90
600 to 800 Hz
800 to 1000 Hz
1000 to 1600 Hz
1600 to 2600 Hz
2600 to 2800 Hz
2800 to 3000 Hz
110
170
—
—
120
160
Crosstalk of 1020 Hz @ 0 dBm0 From A/D or D/A (Note 2)
—
—
—
—
—
—
– 75
– 41
—
—
– 80
– 41
dB
dB
Intermodulation Distortion of Two Frequencies of Amplitudes – 4 to
– 21 dBm0 from the Range 300 to 3400 Hz
NOTES:
1. Extrapolated from a 1020 Hz @ – 50 dBm0 distortion measurement to correct for encoder enhancement.
2. Selectively measured while the A/D is stimulated with 2667 Hz @ – 50 dBm0.
MOTOROLA
MC145500•MC145501•MC145502•MC145503•MC145505
5