Datasheet

Code
INL(Bits)
0 40001000
+VA=3V
2000 3000
0.25
0.20
0.15
0.10
0.05
0
-0.05
-0.10
-0.15
-0.20
-0.25
Code
DNL(Bits)
0.25
0.20
0.15
0.10
0.05
0
-0.05
-0.10
-0.15
-0.20
-0.25
0
40001000
+VA=3V
2000 3000
Frequency(kHz)
100
Amplitude(dB)
0
-20
-40
-60
-80
-100
-120
-140
-160
0 200 300 400 500
5kHzInput
+VA=3V
f =1MSPS
S
V =2.5V
REF
Frequency(kHz)
100
Amplitude(dB)
0
-20
-40
-60
-80
-100
-120
-140
-160
0 200 300 400 500
10kHzInput
+VA=3V
f =1MSPS
S
V =2.5V
REF
Frequency(kHz)
100
Amplitude(dB)
0
-20
-40
-60
-80
-100
-120
-140
-160
0 200 300 400 500
100kHzInput
+VA=3V
f =1MSPS
S
V =2.5V
REF
Frequency(kHz)
100
Amplitude(dB)
0
-20
-40
-60
-80
-100
-120
-140
-160
0 200 300 400 500
5kHzInput
+VA=5V
f =1MSPS
S
V =5V
REF
ADS7229
ADS7230
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............................................................................................................................................................... SBAS437A MAY 2008 REVISED JUNE 2009
TYPICAL CHARACTERISTICS (continued)
At 40 ° C to +85 ° C, V
REF
[(REF+) (REF )] = 5V when +VA = +VBD = 5V or V
REF
[(REF+) (REF )] = 2.5V when +VA =
+VBD = 3V, f
SCLK
= 42MHz, or V
REF
= 2.5 when +VA = +VBD = 2.7V, f
SCLK
= 37.8MHz, and f
I
= dc for dc curves, f
I
= 100kHz
for ac curves with 5V supply, and f
I
= 10kHz for ac curves with 3V supply, unless otherwise noted.
INTEGRAL NONLINEARITY DIFFERENTIAL NONLINEARITY
Figure 42. Figure 43.
FFT FFT
Figure 44. Figure 45.
FFT FFT
Figure 46. Figure 47.
Copyright © 2008 2009, Texas Instruments Incorporated Submit Documentation Feedback 21
Product Folder Link(s): ADS7229 ADS7230