MC145506

•MC145507•MC145508

MOTOROLA

4

ANALOG TRANSMISSION PERFORMANCE

(VDD = 5 V ± 5%, VSS = –5 V ± 5%, VLS = VAG = 0 V, Vref = RSI = VSS (Internal 3.15 V Reference),

0 dBm0 = 1.546 Vrms = 6 dBm @ 600

Ω, TA = –40° to 85°C, TDC = RDC = CCI, TDE = RCE = MSI, Unless Otherwise Noted)

End–to–End

A/D

D/A

Characteristic

Min

Max

Min

Max

Min

Max

Unit

Absolute Gain (0 dBm0 @ 1.02 kHz, TA = 25°C, VDD = 5 V, VSS = –5 V)

—

—

–0.30

0.30

–0.30

0.30

dB

Absolute Gain Variation with Temperature 0

° to 70°C

—

—

—

±0.03

—

±0.03

dB

Absolute Gain Variation with Temperature –40

° to 85°C

—

—

—

±0.1

—

±0.1

dB

Absolute Gain Variation with Power Supply (VDD = 5 V, VSS = –5 V, 5%)

—

—

—

±0.02

—

±0.02

dB

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

3 to –40 dBm0

–40 to –50 dBm0

–50 to –55 dBm0

–0.4

–0.8

–1.6

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

dB

Gain vs Level Pseudo Noise (A–Law Relative to –10 dBm0)

CCITT G.714

–10 to –40 dBm0

–40 to –50 dBm0

–50 to –55 dBm0

—

—

—

—

—

—

–0.25

–0.30

–0.45

0.25

0.30

0.45

–0.25

–0.30

–0.45

0.25

0.30

0.45

dB

Total Distortion – 1.02 kHz Tone (C–Message)

0 to –30 dBm0

–40 dBm0

–45 dBm0

35

29

24

—

—

—

36

29

24

—

—

—

36

30

25

—

—

—

dBC

Total Distortion With Pseudo Noise (A–Law)

–3 dBm0

CCITT G.714

–6 to –27 dBm0

–34 dBm0

–40 dBm0

–55 dBm0

27.5

35

33.1

28.2

13.2

—

—

—

—

—

28

35.5

33.5

28.5

13.5

—

—

—

—

—

28.5

36

34.2

30.0

15.0

—

—

—

—

—

dB

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

3400 Hz

4000 Hz

≥4600 Hz

—

–0.3

–1.6

—

—

–23

0.3

0

–28

–60

—

–0.15

–0.8

—

—

–23

0.15

0

–14

–32

—

–0.15

–0.8

—

—

0.15

0.15

0

–14

–30

dB

Inband Spurious (1.02 kHz @ 0 dBm0, Transmit and RxO)

300 to 3000 Hz

—

—

—

–43

—

–43

dBm0

Out–of–Band Spurious at RxO (300 – 3400 Hz @ 0 dBm0 In)

4600 to 7600 Hz

7600 to 8400 Hz

8400 to 100,000 Hz

—

—

—

–30

–40

–30

—

—

—

—

—

—

—

—

—

–30

–40

–30

dB

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

—

–70

—

—

—

–70

dBm0

Absolute Delay @ 1020 Hz (TDC = 2.048 MHz, TDE = 8 kHz)

µs

Group Delay Referenced to 1600 Hz (TDC = 2048 kHz,

TDE = 8 kHz)

500 to 600 Hz

600 to 800 Hz

800 to 1000 Hz

1000 to 1600 Hz

1600 to 2600 Hz

2600 to 2800 Hz

2800 to 3000 Hz

µs

Crosstalk of 1020 Hz @ 0 dBm0 From A/D or D/A (Note 2)

—

—

—

–75

—

–80

dB

Intermodulation Distortion of Two Frequencies of Amplitudes –4 to

–21 dBm0 from the Range 300 to 3400 Hz

—

—

—

–41

—

–41

dB

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.

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com