ADS8472I BURR-BROWN [Burr-Brown Corporation], ADS8472I Datasheet - Page 23

• Manufacturer Part Number: ADS8472I
• Description: 16-BIT, 1-MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE, REFERENCE
• Manufacturer: BURR-BROWN [Burr-Brown Corporation]

DIGITAL INTERFACE
Timing and Control
See the timing diagrams in the specifications section for detailed information on timing signals and their
requirements.
The ADS8472 uses an internal oscillator generated clock which controls the conversion rate and in turn the
throughput of the converter. No external clock input is required.
AP Cascade Two System
Pattern Generator Platform
f = 1 kHz
SNR: 95.3 dB
SINAD: 95.3 dB
THD: -121 dB
SFDR: 123 dB
ENOB(SINAD): 15.5
AP Cascade
Two System
i
www.ti.com
+VIN
-VIN
Figure 42. Differential Input, Differential Output Configuration
+2.048 V
+2.048 V
PRINCIPLES OF OPERATION (continued)
300 W
300 W
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1 F
1 F
THS4031
m
THS4031
m
+12 V
-12V
+12V
-12 V
300 W
300 W
1 F
1 F
1 F
1 F
m
m
m
m
12 W
12 W
SLAS514 – DECEMBER 2006
2200 pF
ADS8472
(-)IN
(+)IN
23