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
30
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
–140
–120
–100
–80
–60
–40
–20
0
20
0 25 50 75 100 125 150 175 200
V
CC
= 5 V,
External Reference = 4 V
Internal OSC
SCLK = 20 MHz,
Long Sample
Mode 00 µP Mode
Magnitude – dB
f – Frequency – kHz
FAST FOURIER TRANSFORM
vs
FREQUENCY
Figure 30
–70
–65
–60
–55
–50
0 50 100 150 200
Figure 31
SNR – Signal-to-Noise – dB
f – Frequency – kHz
SIGNAL-TO-NOISE
vs
INPUT FREQUENCY
V
CC
= 5 V, External Reference = 4 V,
InternalOSC, Single Shot, Short Sample,
Mode 00 µP Mode