Datasheet

TLC3544, TLC3548
5-V ANALOG, 3-/5-V DIGITAL, 14-BIT, 200-KSPS, 4-/8-CHANNELS SERIAL
ANALOG-TO-DIGITAL CONVERTERS WITH 0-5 V (PSEUDODIFFERENTIAL) INPUTS
SLAS266C – OCTOBER 2000 – REVISED MAY 2003
32
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 27
f – Input Signal Frequency – Hz
70
75
80
85
90
0 20000 40000 60000 80000 100000
External Reference = 4 V
AV
DD
= 5 V
T
A
= 25°C
SINAD – dB
SINAD
vs
INPUT SIGNAL FREQUENCY
100k80k60k40k20k0
Figure 28
f – Input Signal Frequency – Hz
12.0
12.5
13.0
13.5
14.0
0 20000 40000 60000 80000 100000
External Reference = 4 V
AV
DD
= 5 V
T
A
= 25°C
ENOB – Bits
ENOB
vs
INPUT SIGNAL FREQUENCY
100k80k60k40k20k0
Figure 29
f – Input Signal Frequency – kHz
THD
vs
INPUT SIGNAL FREQUENCY
70603020101909840 50 80
External Reference = 4 V
AV
DD
= 5 V
T
A
= 25°C
THD – dB
–80
–85
–90
–95
–100
Figure 30
85
90
95
100
105
0 20000 40000 60000 80000 100000
f – Input Signal Frequency – Hz
External Reference = 4 V
AV
DD
= 5 V
T
A
= 25°C
SFDR – dB
SFDR
vs
INPUT SIGNAL FREQUENCY
100k80k60k40k20k0