MC145482 Datasheet, PDF (12/19 Pages) Motorola, Inc – 5V 13-BIT LINEAR PCM CODEC-FILTER

ANALOG TRANSMISSION PERFORMANCE
(VDD = 4.75 to 5.25 V, VSS = 0 V, All Analog Signals Referenced to VAG, 0 dBm0 = 0.775 Vrms = 0 dBm @ 600 Ω, FST = FSR = 8 kHz,
BCLKT = MCLK = 2.048 MHz Synchronous Operation, TA = – 40 to + 85°C, Unless Otherwise Noted)
A/D
D/A
Characteristics
Min Typ Max Min Typ Max Units
Peak Single Frequency Tone Amplitude without Clipping
Tmax — 1.575 —
— 1.575 —
Vpk
Absolute Gain (0 dBm0 @ 1.02 kHz, TA = 25°C, VDD = 5.0 V)
– 0.25 — + 0.25 – 0.25 — + 0.25 dB
Absolute Gain Variation with Temperature
0 to + 70°C —
TBD
—
— TBD —
dB
– 40 to + 85°C —
TBD
—
— TBD —
Absolute Gain Variation with Power Supply (TA = 25°C)
Total Distortion, 1.02 kHz Tone (C–Message Weighting)
— TBD —
+ 3 dBm0 —
55
—
0 dBm0 —
58
—
– 10 dBm0 —
58
—
– 20 dBm0 —
53
—
– 30 dBm0 —
44
—
–40 dBm0 —
34
—
–50 dBm0 —
24
—
–60 dBm0 —
14
—
— TBD —
dB
—
60
—
dBC
—
60
—
—
60
—
—
55
—
—
46
—
—
36
—
—
26
—
—
16
—
Idle Channel Noise (For End–to–End and A/D, See Note 1)
(C–Message Weighted) —
(Psophometric Weighted) —
—
17
—
—
– 69
—
—
11 dBr nc0
— – 79 dBm0p
Frequency Response
(Relative to 1.02 kHz @ 0 dBm0) (HB = 0)
15 Hz —
— – 40 – 0.5 —
0
dB
50 Hz —
— – 30 – 0.5 —
0
60 Hz —
— – 26 – 0.5 —
0
165 Hz —
–3
— – 0.5 —
0
200 Hz – 1.0 — – 0.4 – 0.5 —
0
300 to 3000 Hz – 0.20 — + 0.20 – 0.20 — + 0.20
3300 Hz – 0.35 — + 0.20 – 0.35 — + 0.20
3400 Hz – 0.9 —
0
– 0.9
—
0
3600 Hz —
–3
—
—
–3
—
4000 Hz —
—
– 14
—
— – 14
4600 Hz to 100 kHz —
—
– 32
—
— – 30
Out–of–Band Spurious at VAG Ref (300 to 3400 Hz @ 0 dBm0 in)
4600 to 7600 Hz —
—
—
—
— – 30
dB
7600 to 8400 Hz —
—
—
—
— – 40
8400 to 100,000 Hz —
—
—
—
— – 30
Idle Channel Noise Selective (8 kHz, Input = VAG, 30 Hz Bandwidth)
Absolute Delay (1600 Hz) (HB = 0)
—
—
—
—
— – 70 dBm0
—
—
315
—
—
205
µs
Group Delay Referenced to 1600 Hz (HB = 0)
500 to 600 Hz —
—
210 – 40
—
—
µs
600 to 800 Hz —
—
130 – 40
—
—
800 to 1000 Hz —
—
70
– 40
—
—
1000 to 1600 Hz —
—
35
– 30
—
—
1600 to 2600 Hz —
—
70
—
—
85
2600 to 2800 Hz —
—
95
—
—
110
2800 to 3000 Hz —
—
145
—
—
175
Crosstalk of 1020 Hz @ 0 dBm0 from A/D or D/A (Note 2)
—
— – 75 —
— – 75
dB
NOTES:
1. Extrapolated from a 1020 Hz @ – 50 dBm0 distortion measurement to correct for encoder enhancement.
2. Selectively measured while stimulated with 2667 Hz @ – 50 dBm0.
MC145482
12
MOTOROLA