TLC32044C_11 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
V_I = − 0.5 dB to − 24 dB referred to V_ref,
T_A = 25°C
V_I = − 0.5 dB to − 24 dB referred to V_ref
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
T_A = 25°C
65
57
65
higher harmonics of A/D
input signal
TLC32044C, E, I
57
65
Differential
TLC32045C, I
V_I = − 0.5 dB to − 24 dB referred to V_ref
55
65
dB
Attenuation of second
harmonic of D/A input
signal
Single ended
Differential
TLC3204xC, I, M
TLC32044C, E, I V_I = − 0 dB to − 24 dB referred to V_ref
TLC32045C, I
70
62
70
55
70
Attenuation of third and
higher harmonics of D/A
input signal
Single ended
Differential
TLC3204xC, I, M
TLC32044C, E, I
TLC32045C, I
V_I = − 0 dB to − 24 dB referred to V_ref
65
57
65
55
65
† _{All typical values are at TA = 25°C.}
NOTE 7: The test condition V_I is a 1-kHz input signal with an 8-kHz conversion rate (0 dB relative to V_ref). The load impedance for the DAC is
600 Ω (300 Ω for TLC32044M).
20
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