TLC32044C_11 Datasheet, PDF (37/39 Pages) Texas Instruments – VOICE-BAND ANALOG INTERFACE CIRCUITS

TLC32044C, TLC32044E, TLC32044I, TLC32044M, TLC32045C, TLC32045I
VOICE-BAND ANALOG INTERFACE CIRCUITS
TYPICAL CHARACTERISTICS
SLAS017F − MARCH 1988 − REVISED MAY 1995
− 100
− 90
− 80
D/A SECOND HARMONIC DISTORTION
vs
INPUT-SIGNAL LEVEL
1-kHz Input Signal Into 600 Ω
8-kHz Conversion Rate
− 100
− 90
− 80
A/D THIRD HARMONIC DISTORTION
vs
INPUT-SIGNAL LEVEL
1-kHz Input Signal
8-kHz Conversion Rate
− 70
− 60
− 50
− 40
− 30
− 20
− 10
0
−50 −40 −30 −20 −10
0
10
Input Signal Relative to V_ref − dB
Figure 24
− 70
− 60
− 50
− 40
− 30
− 20
− 10
0
−50 −40 −30 −20 −10
0
10
Input Signal Relative to V_ref − dB
Figure 25
− 100
− 90
− 80
D/A THIRD HARMONIC DISTORTION
vs
INPUT-SIGNAL LEVEL
1-kHz Input Signal into 600 Ω
8-kHz Conversion Rate
− 70
− 60
− 50
− 40
− 30
− 20
− 10
0
−50 −40 −30 −20 −10
0
10
Input Signal Relative to V_ref − dB
Figure 26
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37