TLC32044MJB datasheet(34/39 Pages) TI1

34 / 39 page

TLC32044C, TLC32044E, TLC32044I, TLC32044M, TLC32045C, TLC32045I

VOICE-BAND ANALOG INTERFACE CIRCUITS

SLAS017F − MARCH 1988 − REVISED MAY 1995

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

TYPICAL CHARACTERISTICS

Figure 12

−60

−30

0.5

1.5

2.5

−10

−20

3.5

4.5

Normalized Frequency − kHz

SCF Clock Frequency

288 kHz

AIC TRANSMIT AND RECEIVE

LOW-PASS FILTER

SCF Clock f = 288 kHz

TA = 25°C

Input =

±3-V Sine wave

−50

−40

−80

−70

Figure 13

AIC TRANSMIT AND RECEIVE

LOW-PASS FILTER

2.5

0.5

1.5

0.5

1.5

2.5

3.5

4.5

Normalized Frequency − kHz

SCF Clock Frequency

288 kHz

SCF Clock f = 288 kHz

TA = 25°C

Input =

±3-V Sine wave

Figure 14

−50

−40

−60

−80

−30

0.5

1.5

2.5

−10

−20

3.5

4.5

Frequency − kHz

AIC RECEIVE-CHANNEL

BANDPASS FILTER

Low-Pass SCF Clock f = 288 kHz

High-Pass SCF Clock f = 8 kHz

TA = 25°C

Input =

±3-V Sine wave

−70

Figure 15

−10

−20

−30

100 150 200 250 300

AIC RECEIVE-CHANNEL

HIGH-PASS FILTER

350 400 450 500

Normalized Frequency − kHz

A/D Conversion Rate

8 k samples/s

SCF Clock f = 8 kHz

TA = 25°C

Input =

±3-V Sine wave

−50

−40

−60

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