ADS8321EB Datasheet PDF - Burr-Brown Corporation
| Part Number | ADS8321EB | |
| Description | 16-Bit/ High Speed/ MicroPower Sampling ANALOG-TO-DIGITAL CONVERTER | |
| Manufacturers | Burr-Brown Corporation | |
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® ADS8321
For most current data sheet and other product
information, visit www.burr-brown.com
16-Bit, High Speed, MicroPower Sampling
ANALOG-TO-DIGITAL CONVERTER
FEATURES
q BIPOLAR INPUT RANGE
q 100kHz SAMPLING RATE
q MICRO POWER:
4.5mW at 100kHz
1mW at 10kHz
q POWER DOWN: 3µA max
q 8-LEAD MSOP PACKAGE
q PIN-COMPATIBLE TO ADS7816 AND
ADS7822
q SERIAL (SPI/SSI) INTERFACE
APPLICATIONS
q BATTERY OPERATED SYSTEMS
q REMOTE DATA ACQUISITION
q ISOLATED DATA ACQUISITION
q SIMULTANEOUS SAMPLING,
MULTI-CHANNEL SYSTEMS
q INDUSTRIAL CONTROLS
q ROBOTICS
q VIBRATION ANALYSIS
DESCRIPTION
The ADS8321 is a 16-bit sampling analog-to-digital
converter with guaranteed specifications over a 4.75V
to 5.25V supply range. It requires very little power
even when operating at the full 100kHz data rate. At
lower data rates, the high speed of the device enables
it to spend most of its time in the power-down mode—
the average power dissipation is less than 1mW at
10kHz data rate.
The ADS8321 also features a synchronous serial
(SPI/SSI compatible) interface, and a differential in-
put. The reference voltage can be set to any level
within the range of 500mV to 2.5V.
Ultra-low power and small size make the ADS8321
ideal for portable and battery-operated systems. It is
also a perfect fit for remote data acquisition mod-
ules, simultaneous multi-channel systems, and iso-
lated data acquisition. The ADS8321 is available in
an 8-lead MSOP package.
VREF
+In
–In
SAR
ADS8321
S/H Amp
CDAC
Comparator
Serial
Interface
DOUT
DCLOCK
CS/SHDN
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111
Twx: 910-952-1111 • Internet: http://www.burr-brown.com/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
©1999 Burr-Brown Corporation
PDS-1537A
Printed in U.S.A. Setpember, 1999
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TYPICAL PERFORMANCE CURVES (Cont.)
At TA = +25°C, VCC = +5V, VREF = +2.5V, fSAMPLE = 100kHz, fCLK = 24 • fSAMPLE, unless otherwise specified.
1000
MAXIMUM SAMPLE RATE vs VCC
100
10
1
12345
VCC (V)
SIGNAL-TO-NOISE AND SIGNAL-TO-(NOISE + DISTORTION)
vs INPUT FREQUENCY
90
SNR
85
80
SINAD
75
70
65
0.1
1 10
Input Frequency (kHz)
100
SPURIOUS FREE DYNAMIC RANGE AND
TOTAL HARMONIC DISTORTION vs INPUT FREQUENCY
90
SFDR
85
THD
80
75
70
65
0.1
1 10
Input Frequency (kHz)
100
35
30
25
20
15
10
5
0
0
REFERENCE CURRENT vs SAMPLE RATE
2.5V
1.25V
20 40 60 80 100 120 140
Sample Rate (kHz)
18
16
14
12
10
8
6
4
2
0
0.1
NOISE vs REFERENCE VOLTAGE
1
Reference Voltage (V)
10
15
10
5
0
–5
–10
–15
0
CHANGE IN GAIN vs REFERENCE VOLTAGE
0.5 1.0 1.5 2.0 2.5 3.0
Reference Voltage (V)
®
5 ADS8321
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for ADS8321EB electronic component. |
| Information | Total 12 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ ADS8321EB.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| ADS8321E | The function is 16-Bit/ High Speed/ MicroPower Sampling ANALOG-TO-DIGITAL CONVERTER. Burr-Brown Corporation | |
| ADS8321EB | The function is 16-Bit/ High Speed/ MicroPower Sampling ANALOG-TO-DIGITAL CONVERTER. Burr-Brown Corporation | |
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