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MC145480DW

5V PCM Codec-Filter

Motorola => Freescale 

ANALOG TRANSMISSION PERFORMANCE

(VDD = + 5 V ± 5%, 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)

End–to–End

A/D

D/A

Characteristics

Min Max Min Max Min Max Units

Absolute Gain (0 dBm0 @ 1.02 kHz, TA = 25°C, VDD = 5.0 V)

—

Absolute Gain Variation with Temperature

0 to + 70°C —

– 40 to + 85°C —

— – 0.25 + 0.25 – 0.25 + 0.25 dB

—

— ± 0.03 — ± 0.03 dB

—

— ± 0.05 — ± 0.05

Absolute Gain Variation with Power Supply (TA = 25°C)

—

Gain vs Level Tone (Mu–Law, Relative to – 10 dBm0, 1.02 kHz)

+ 3 to – 40 dBm0 @ 0 to + 85°C —

+ 3 to – 40 dBm0 @ – 40 to 0°C —

– 40 to – 50 dBm0 @ 0 to + 85°C —

– 40 to – 50 dBm0 @ – 40 to 0°C —

– 50 to – 55 dBm0 @ 0 to + 85°C —

– 50 to – 55 dBm0 @ – 40 to 0°C —

—

— ± 0.03 — ± 0.04 dB

dB

— – 0.25 + 0.25 – 0.20 + 0.20

— – 0.25 + 0.25 – 0.25 + 0.25

— – 0.8 + 0.8 – 0.5 + 0.5

— – 0.8 + 0.8 – 0.9 + 0.9

— – 1.3 + 1.3 – 1.0 + 1.0

— – 1.3 + 1.3 – 1.8 + 1.8

Gain vs Level Pseudo Noise, CCITT G.712

(A–Law, Relative to – 10 dBm0)

– 10 to – 40 dBm0 —

– 40 to – 50 dBm0 —

– 50 to – 55 dBm0 —

— – 0.25 + 0.25 – 0.25 + 0.25 dB

— – 0.60 + 0.30 – 0.30 + 0.30

— – 1.00 + 0.45 – 0.45 + 0.45

Total Distortion, 1.02 kHz Tone (Mu–Law, C–Message Weighting)

dBC

+ 3 dBm0 —

—

34

—

34

—

0 to – 30 dBm0 —

—

36

—

36

—

– 40 dBm0 @ 0 to + 85°C —

—

30

—

30

—

– 40 dBm0 @ – 40 to 0°C —

—

28.5

—

28.5

—

– 45 dBm0 —

—

25

—

25

—

Total Distortion, Pseudo Noise, CCITT G.714 (A–Law)

– 3 dBm0 —

—

30.0

—

30.0

—

dB

– 6 to – 27 dBm0 —

—

35.0

—

36.0

—

– 34 dBm0 —

—

34.0

—

34.5

—

– 40 dBm0 @ 0 to + 85°C —

—

28.5

—

29.5

—

– 40 dBm0 @ – 40 to 0°C —

—

28.0

—

28.5

—

– 55 dBm0 —

—

13.5

—

14.5

—

Idle Channel Noise (For End–to–End and A/D, See Note 1)

(Mu–Law, C–Message Weighted) —

—

—

18

—

11 dBr nc0

(A–Law, Psophometric Weighted) —

—

— – 68 — – 78 dBm0p

Frequency Response (Relative to 1.02 kHz @ 0 dBm0)

15 Hz —

50 Hz —

60 Hz —

200 Hz —

300 to 3000 Hz —

3300 Hz —

3400 Hz —

4000 Hz —

4600 Hz to 100 kHz —

—

—

– 40 – 0.5

0

dB

—

—

– 30 – 0.5

0

—

—

– 26 – 0.5

0

— – 1.0 – 0.4 – 0.5

0

— – 0.20 + 0.15 – 0.15 + 0.15

— – 0.35 + 0.15 – 0.35 + 0.15

— – 0.8

0

– 0.8

0

—

— – 14 — – 14

—

— – 32 —

30

In–Band Spurious (1.02 kHz @ 0 dBm0, Transmit and Receive)

dB

300 to 3000 Hz — – 48 — – 48 — – 48

Out–of–Band Spurious at RO+ (300 to 3400 Hz @ 0 dBm0 in)

dB

4600 to 7600 Hz — – 30 —

—

— – 30

7600 to 8400 Hz — – 40 —

—

— – 40

8400 to 100,000 Hz — – 30 —

—

— – 30

Idle Channel Noise Selective (8 kHz, Input = VAG, 30 Hz Bandwidth)

Absolute Delay (1600 Hz)

— – 70 —

—

— – 70 dBm0

—

—

—

315

—

205

µs

Group Delay Referenced to 1600 Hz

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

—

– 70

dB

Intermodulation Distortion of Two Frequencies of Amplitudes

(– 4 to – 21 dBm0 from the Range 300 to 3400 Hz)

dB

— – 41 — – 41 — – 41

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.

MC145480

12

MOTOROLA

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