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TLC32044CFN Datasheet(PDF) 24 Page - Texas Instruments

Part No. TLC32044CFN
Description  VOICE-BAND ANALOG INTERFACE CIRCUITS
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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TLC32044CFN Datasheet(HTML) 24 Page - Texas Instruments

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TLC32044C, TLC32044E, TLC32044I, TLC32044M, TLC32045C, TLC32045I
VOICE-BAND ANALOG INTERFACE CIRCUITS
SLAS017F − MARCH 1988 − REVISED MAY 1995
24
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
delay distortion
bandpass filter transfer function, SCF fclock = 288 kHz IN+ − IN− is a ±3 V sinewave(see Note 9)
PARAMETER
TEST CONDITIONS
FREQUENCY RANGE
ADJUSTMENT ADDEND
MIN
TYP§
MAX
UNIT
f
≤ 50 Hz
K1
× 0 dB
−33
−29
−25
f = 100 Hz
K1
× −0.26 dB
−4
−2
−1
f = 150 Hz to 3100 Hz
K1
× 0 dB
− 0.25
0
0.25
Filter gain,
TLC32044C,
f = 3100 Hz to 3300 Hz
K1
× 0 dB
− 0.3
0
0.3
TLC32044C,
TLC32044E,
Input signal reference to 0 dB
f = 3300 Hz to 3650 Hz
K1
× 0 dB
− 0.5
0
0.5
TLC32044E,
TLC32044I
Input signal reference to 0 dB
f = 3800 Hz
K1
× 2.3 dB
−3
−1
TLC32044I
f = 4000 Hz
K1
× 2.7 dB
−17
−16
f
≥ 4400 Hz
K1
× 3.2 dB
−40
f
≥ 5000 Hz
K1
× 0 dB
−65
f
≤ 50 Hz
K1
× 0 dB
−33
−29
−25
f = 100 Hz
K1
× −0.26 dB
−4
−2
−1
f = 150 Hz to 3100 Hz
K1
× 0 dB
− 0.25
0
0.25
Filter gain,
f = 3100 Hz to 3300 Hz
K1
× 0 dB
− 0.3
0
0.3
Filter gain,
TLC32044M
Input signal reference to 0 dB
f = 3300 Hz to 3500 Hz
K1
× 0 dB
− 0.5
0
0.5
dB
TLC32044M
Input signal reference to 0 dB
f = 3800 Hz
K1
× 2.3 dB
−3
− 0.5
dB
f = 4000 Hz
K1
× 2.7 dB
−17
−16
f
≥ 4400 Hz
K1
× 3.2 dB
−40
f
≥ 5000 Hz
K1
× 0 dB
−65
f
≤ 50 Hz
K1
× 0 dB
−33
−29
−25
f = 100 Hz
K1
× −0.26 dB
−4
−2
−1
f = 150 Hz to 3100 Hz
K1
× 0 dB
− 0.25
0
0.25
Filter gain,
f = 3100 Hz to 3300 Hz
K1
× 0 dB
− 0.3
0
0.3
Filter gain,
TLC32045C,
TLC32045I
Input signal reference to 0 dB
f = 3300 Hz to 3650 Hz
K1
× 0 dB
− 0.5
0
0.5
TLC32045C,
TLC32045I
Input signal reference to 0 dB
f = 3800 Hz
K1
× 2.3 dB
−3
−1
f = 4000 Hz
K1
× 2.7 dB
−17
−16
f
≥ 4400 Hz
K1
× 3.2 dB
−40
f
≥ 5000 Hz
K1
× 0 dB
−65
See filter curves in typical characteristics
The MIN, TYP, and MAX specifications are given for a 288-kHz SCF clock frequency. A slight error in the 288-kHz SCF may result from
inaccuracies in the MSTR CLK frequency, resulting from crystal frequency tolerances. If this frequency error is less than 0.25%, the
ADJUSTMENT ADDEND should be added to the MIN, TYP, and MAX specifications, where K1 = 100
[(SCF frequency − 288 kHz) / 288 kHz].
For errors greater than 0.25%, see Note 8.
§ All typical values are at TA = 25°C.
NOTE 9: The filter gain outside of the passband is measured with respect to the gain at 1 kHz. The filter gain within the passband is measured
with respect to the average gain within the passband. The passbands are 150 to 3600 Hz and 0 to 3600 Hz for the bandpass and
low-pass filters respectively. For switched-capacitor filter clocks at frequencies other than 288 kHz, the filter response is shifted by the
ratio of switched-capacitor filter clock frequency to 288 kHz.


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