TLC32044MJB datasheet(35/39 Pages) TI1

номер детали	TLC32044MJB

подробное описание детали	VOICE-BAND ANALOG INTERFACE CIRCUITS

PDF	39 Pages

Scroll/Zoom	100%

производитель	TI1 [Texas Instruments]

домашняя страница	http://www.ti.com

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35 / 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 16

0.5

1.5

2.5

3.5

4.5

2.5

2.0

1.0

0.5

0.0

1.5

AIC RECEIVE CHANNEL

BANDPASS FILTER

Frequency − kHz

Low-Pass SCF Clock f = 288 kHz

High-Pass SCF Clock f = 8 kHz

TA = 25°C

Input =

±3-V Sine wave

Figure 17

2.5

0.5

4.5

1.5

0.5

1.5

2.5

3.5

4.5

Normalized Frequency − kHz

SCF Clock Frequency

288 kHz

AIC (sin x)/x CORRECTION FILTER

SCF Clock f = 288 kHz

TA = 25°C

Input =

±3-V Sine wave

Figure 18

−2

0.5

1.5

2.5

AIC (sin x)/x CORRECTION FILTER

3.5

4.5

Normalized Frequency − kHz

SCF Clock Frequency

288 kHz

(sin x)/x

Correction

Filter

Error

D/A Converter (sin x)/x

Distortion for TB Register = 36

−4

−6

Figure 19

−10

100

A/D SIGNAL-TO-DISTORTION RATIO

INPUT-SIGNAL LEVEL

Input Signal Relative to Vref − dB

1-kHz Input Signal

8-kHz Conversion Rate

Gain = 4x

Gain = 1x

−50

− 40

−30

− 20

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