TLC32044C Datasheet, PDF (20/39 Pages) Texas Instruments – VOICE-BAND ANALOG INTERFACE CIRCUITS

TLC32044C, TLC32044E, TLC32044I, TLC32044M, TLC32045C, TLC32045I
VOICE-BAND ANALOG INTERFACE CIRCUITS
SLAS017F – MARCH 1988 – REVISED MAY 1995
system distortion specifications, SCF clock frequency = 288 kHz (see Note 7)
PARAMETER
TEST CONDITIONS
MIN TYP† MAX UNIT
Attenuation of second
harmonic of A/D input
signal
Single ended
Differential
TLC3204xC, E, I
TLC32044M
TLC32044C, E, I
TLC32045C, I
VI = – 0.5 dB to – 24 dB referred to Vref,
TA = 25°C
VI = – 0.5 dB to – 24 dB referred to Vref
70
62
70
62
70
55
70
Attenuation of third and
Single ended
TLC3204xC, E, I _{VI = – 0.5 dB to – 24 dB referred to Vref,}
TLC32044M
TA = 25°C
65
57
65
higher harmonics of A/D
input signal
TLC32044C, E, I
57
65
Differential
TLC32045C, I
VI = – 0.5 dB to – 24 dB referred to Vref
55
65
dB
Attenuation of second
harmonic of D/A input
signal
Single ended
Differential
TLC3204xC, I, M
TLC32044C, E, I VI = – 0 dB to – 24 dB referred to Vref
TLC32045C, I
70
62
70
55
70
Attenuation of third and ^{Single ended TLC3204xC, I, M}
65
higher harmonics of D/A
input signal
Differential
TLC32044C, E, I VI = – 0 dB to – 24 dB referred to Vref
TLC32045C, I
57
65
55
65
† _{All typical values are at TA = 25°C.}
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).
20
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