Datasheet

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Reference Voltage - V
11
10.75
10.25
0.1 1
Effective Number of Bits - rms
11.25
11.5
12
10
11.75
10.5
10
V
CC
= 5 V
Change in Integral
Linearity - LSB
Change in Differential
Linearity - LSB
V
CC
= 5 V
Reference Voltage - V
0.05
-0.05
1 2 3 4
Data From 2.5 V Reference - LSB
0.10
0.20
5
0.15
0
-0.10
0
10
20
30
40
50
60
70
80
90
100
1
10
100
1000
f − Frequency − kHz
Spurious Free Dynamic Range
Signal-To-Noise Ratio − dB
Spurious Free Dynamic Range
Signal-To-Noise
0
10
20
30
40
50
60
70
80
90
100
1 10 100 1000
f - frequency - kHz
Signal-To-Noise+Distortion - dB
0
10
20
30
40
50
60
70
80
90
100
1 10 100 1000
f − Frequency − kHz
Spurious Free Dynamic Range
Signal-To-Noise Ratio − dB
Spurious Free Dynamic Range
Signal-To-Noise
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
1 10 100 1000
f - Frequency - kHz
THD - Total Harmonic Distortion - dB
ADS7826
ADS7827
ADS7829
SLAS388–JUNE 2003
TYPICAL CHARACTERISTICS (continued)
At T
A
= 25°C, V
CC
= 2.7 V, V
ref
= 25 V, (unless otherwise specified)
ADS7829
CHANGE IN INTEGRAL and ADS7829
DIFFERENTIAL LINEARITY EFFECTIVE NUMBER OF BITS
vs vs
REFERENCE VOLTAGE REFERENCE VOLTAGE
Figure 25.
Figure 26.
ADS7829
SPURIOUS FREE DYNAMIC RANGE ADS7829
and SIGNAL-TO-NOISE RATIO SIGNAL-TO-NOISE + DISTORTION
vs vs
SAMPLE FREQUENCY FREQUENCY
Figure 27.
Figure 28.
ADS7826
ADS7829 SPURIOUS FREE DYNAMIC RANGE
TOTAL HARMONIC DISTORTION and SIGNAL-TO-NOISE RATIO
vs vs
FREQUENCY FREQUENCY
Figure 29.
Figure 30.
11