Datasheet

TLV2541, TLV2542, TLV2545
2.7-V TO 5.5-V, LOW-POWER, 12-BIT, 140/200 KSPS,
SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTOPOWER DOWN
SLAS245E −MARCH 2000 − REVISED APRIL 2010
19
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251−1443
TYPICAL CHARACTERISTICS
Figure 23
71
69
65
040
SINAD − Signal-To-Noise + Distortion − dB
73
75
f − Input Frequency − KHz
SIGNAL-TO-NOISE + DISTORTION
vs
INPUT FREQUENCY
60
67
10 20 30 50 70 80
V
DD
= REF = 2.7 V
150 KSPS
Figure 24
71
69
65
040
SINAD − Signal-To-Noise + Distortion − dB
73
75
f − Input Frequency − KHz
SIGNAL-TO-NOISE + DISTORTION
vs
INPUT FREQUENCY
60
67
20 80 100
V
DD
= REF = 5.5 V
200 KSPS
Figure 25
11.6
11.4
11
040
ENOB − Effective Number Of Bits − Bits
11.8
12
f − Input Frequency − KHz
EFFECTIVE NUMBER OF BITS
vs
INPUT FREQUENCY
60
11.2
10 20 30 50 70 80
V
DD
= REF = 2.7 V
150 KSPS
Figure 26
11.6
11.4
11
040
ENOB − Effective Number Of Bits − Bits
11.8
12
f − Input Frequency − KHz
EFFECTIVE NUMBER OF BITS
vs
INPUT FREQUENCY
60
11.2
20 80
V
DD
= REF = 5.5 V
200 KSPS
11.9
11.7
11.5
11.3
11.1
100