Datasheet

TLC1514, TLC1518
5-V, 10-BIT, 400 KSPS, 4/8 CHANNEL, LOW POWER,
SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO POWER DOWN
SLAS252 – DECEMBER 1999
31
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
–70
–65
–60
–55
–50
0 50 100 150 200
Figure 32
SINAD – Signal-to-Noise + Distortion – dB
f – Frequency – kHz
SIGNAL-TO-NOISE + DISTORTION
vs
INPUT FREQUENCY
V
CC
= 5 V, External Reference = 4 V,
InternalOSC, Single Shot, Short Sample,
Mode 00 µP Mode
7
7.5
8.0
8.5
9.0
9.5
10.0
0 50 100 150 200
Figure 33
ENOB – Effective Number of Bits – BITS
f – Frequency – kHz
EFFECTIVE NUMBER OF BITS
vs
INPUT FREQUENCY
V
CC
= 5 V, External Reference = 4 V,
Internal OSC, Single Shot, Short Sample,
Mode 00 µP Mode
–90
–85
–80
–75
–70
–65
–60
0 25 50 75 100 125 150 175 200
Figure 34
THD – Total Harmonic Distortion – dB
TOTAL HARMONIC DISTORTION
vs
INPUT FREQUENCY
f – Frequency – kHz
V
CC
= 5 V, External Reference = 4 V,
Internal OSC, Single Shot, Short Sample,
Mode 00 µP Mode
–100
–80
–60
–40
–20
0
0 25 50 75 100 125 150 175 200
Figure 35
Spurious Free Dynamic Range – dB
f – Frequency – kHz
SPURIOUS FREE DYNAMIC RANGE
vs
INPUT FREQUENCY
V
CC
= 5 V, External Reference = 4 V,
Internal OSC, Single Shot, Short Sample,
Mode 00 µP Mode