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PDF ADS8322Y Data sheet ( Hoja de datos )
| Número de pieza | ADS8322Y | |
| Descripción | 16-Bit/ 500kHz/ MicroPower Sampling ANALOG-TO-DIGITAL CONVERTER | |
| Fabricantes | Burr-Brown Corporation | |
| Logotipo |  |
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ADS8322 ®
ADS8322
SBAS215 – JULY 2001
16-Bit, 500kHz, MicroPower Sampling
ANALOG-TO-DIGITAL CONVERTER
FEATURES
q HIGH-SPEED PARALLEL INTERFACE
q 500kHz SAMPLING RATE
q LOW POWER: 85mW at 500kHz
q INTERNAL 2.5V REFERENCE
q UNIPOLAR INPUT RANGE
q TQFP-32 PACKAGE
APPLICATIONS
q CT SCANNERS
q HIGH SPEED DATA ACQUISITION
q TEST AND INSTRUMENTATION
q MEDICAL EQUIPMENT
DESCRIPTION
The ADS8322 is a 16-bit, 500kHz Analog-to-Digital (A/D)
converter with an internal 2.5V reference. The device in-
cludes a 16-bit capacitor-based Successive Approximation
Register (SAR) A/D converter with inherent sample-and-
hold. The ADS8322 offers a full 16-bit interface, or an 8-bit
option where data is read using two read cycles and 8 pins.
The ADS8322 is available in a TQFP-32 package and is
guaranteed over the industrial –40°C to +85°C temperature
range.
SAR
+IN
–IN
REFIN
REFOUT
ADS8322
S/H Amp
CDAC
Comparator
Internal
+2.5V Ref
Output Latches
and
Three State
Drivers
BYTE
Parallel
Data
Output
Conversion
and Control
Logic
CLOCK
CONVST
CS
RD
BUSY
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
www.ti.com
Copyright © 2001, Texas Instruments Incorporated
1 page  
TYPICAL CHARACTERISTICS
At –40°C to +85°C, +VA = +5V, VREF = +2.5V, fSAMPLE = 500kHz, and fCLK = 20 • fSAMPLE, unless otherwise specified.
FREQUENCY SPECTRUM
(4096 Point FFT; fIN = 100.1kHz, –0.2dB)
0
SIGNAL-TO-NOISE RATIO AND
SIGNAL-TO-(NOISE+DISTORTION)
vs INPUT FREQUENCY
90
–30
85
–60 SNR
–90
–120
–150
0
20 40 60 80 100 120 140 160 180 200
Frequency (kHz)
80
75
1
SINAD
10
Frequency (kHz)
100 250
100
95
90
85
80
75
1
SPURIOUS FREE DYNAMIC RANGE AND
TOTAL HARMONIC DISTORTION
vs INPUT FREQUENCY
–100
–95
SFDR
THD
–90
–85
–80
10
Frequency (kHz)
–75
100 250
IL+ vs TEMPERATURE
0.30
0.20
0.10
0.00
–0.10
–0.20
–40
–20
0 20 40 60
Temperature (°C)
80 100
IL– vs TEMPERATURE
0.2
0.0
–0.2
–0.4
–0.6
–40
–20
0 20 40 60
Temperature (°C)
80 100
DL+ vs TEMPERATURE
1.0
0.5
0.0
–0.5
–1.0
–1.5
–40
–20
0 20 40 60
Temperature (°C)
80 100
ADS8322
SBAS215
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet ADS8322Y.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| ADS8322 | 16-Bit/ 500kHz/ MicroPower Sampling ANALOG-TO-DIGITAL CONVERTER | Burr-Brown Corporation |
| ADS8322 | ADS8322: 16-Bit 500kHz MicroPower Sampling Analog-to-Digital Converter (Rev. A) |  Texas Instruments |
| ADS8322Y | 16-Bit/ 500kHz/ MicroPower Sampling ANALOG-TO-DIGITAL CONVERTER | Burr-Brown Corporation |
| ADS8322YB | 16-Bit/ 500kHz/ MicroPower Sampling ANALOG-TO-DIGITAL CONVERTER | Burr-Brown Corporation |
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