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TLC32044CFN Datasheet(PDF) 22 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) 22 Page - Texas Instruments

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TLC32044C, TLC32044E, TLC32044I, TLC32044M, TLC32045C, TLC32045I
VOICE-BAND ANALOG INTERFACE CIRCUITS
SLAS017F − MARCH 1988 − REVISED MAY 1995
22
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D/A channel signal-to-distortion ratio (see Note 7)
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
VI = − 6 dB to 0 dB
58
VI = − 12 dB to − 6 dB
58
VI = − 18 dB to − 12 dB
56
D/A channel signal-to-distortion ratio, TLC32044C, TLC32044E, TLC32044I,
VI = − 24 dB to − 18 dB
50
D/A channel signal-to-distortion ratio, TLC32044C, TLC32044E, TLC32044I,
TLC32044M
VI = − 30 dB to − 24 dB
44
TLC32044M
VI = − 36 dB to − 30 dB
38
VI = − 42 dB to − 36 dB
32
VI = − 48 dB to − 42 dB
26
VI = − 54 dB to − 48 dB
20
dB
VI = − 6 dB to 0 dB
55
dB
VI = − 12 dB to − 6 dB
55
VI = − 18 dB to − 12 dB
53
VI = − 24 dB to − 18 dB
47
D/A channel signal-to-distortion ratio, TLC32045C, TLC32045I
VI = − 30 dB to − 24 dB
41
D/A channel signal-to-distortion ratio, TLC32045C, TLC32045I
VI = − 36 dB to − 30 dB
35
VI = − 42 dB to − 36 dB
29
VI = − 48 dB to − 42 dB
23
VI = − 54 dB to − 48 dB
17
NOTE 7: The test condition VI is a 1-kHz input signal with an 8-kHz conversion rate (0 dB relative to Vref). The load impedance for the DAC is
600
Ω (300 Ω for TLC32044M).
gain and dynamic range
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Absolute transmit gain tracking error while transmitting
into 600
− 48-dB to 0-dB signal range,
See Note 8
±0.05 ±0.15
dB
Absolute transmit gain tracking error while transmitting
into 300
Ω, TLC32044M
− 48-dB to 0-dB signal range,
See Note 8
TA = 25°C,
±0.05 ±0.25
dB
Absolute transmit gain tracking error while transmitting
into 300
Ω, TLC32044M
− 48-dB to 0-dB signal range,
TA = − 55°C to 125°C,
See Note 8
±0.4
dB
Absolute receive gain tracking error
− 48-dB to 0-dB signal range,
See Note 8
±0.05 ±0.15
dB
Absolute receive gain tracking error, TLC32044M
− 48-dB to 0-dB signal range,
See Note 8
TA = 25°C,
±0.05 ±0.25
dB
Absolute receive gain tracking error, TLC32044M
− 48-dB to 0-dB signal range,
TA = − 55°C to 125°C,
See Note 8
±0.4
dB
Absolute gain of the A/D channel
Signal input is a − 0.5-dB,
1-kHz sinewave
0.2
dB
Absolute gain of the D/A channel
Signal input is a 0-dB,
1-kHz sinewave
− 0.3
dB
All typical values are at TA = 25°C.
NOTE 8: Gain tracking is relative to the absolute gain at 1 kHz and 0 dB (0 dB relative to Vref).


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