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ADS8481 Datasheet(PDF) 1 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation. Click here to check the latest version.
Part No. ADS8481
Description  18-BIT, 1-MSPS, PSEUDO-DIFFERENTIAL UNIPOLAR INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
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Maker  BURR-BROWN [Burr-Brown (TI)]
Homepage  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

ADS8481 Datasheet(HTML) 1 Page - Burr-Brown (TI)

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BurrBrown Products
from Texas Instruments
FEATURES
APPLICATIONS
DESCRIPTION
CDAC
_
+
Output
Latches
and
3-State
Drivers
BYTE
16-/8-Bit
Parallel DATA
Output Bus
SAR
Conversion
and
Control Logic
Comparator
Clock
+IN
−IN
REFIN
CONVST
BUSY
CS
RD
4.096-V
Internal
Reference
REFOUT
BUS 18/16
ADS8481
SLAS385A – FEBRUARY 2006 – REVISED MARCH 2006
18-BIT, 1-MSPS, PSEUDO-DIFFERENTIAL UNIPOLAR INPUT, MICROPOWER SAMPLING
ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
Medical Instruments
0 to 1 MSPS Sampling Rate
Optical Networking
18-Bit NMC Ensured Over Temperature
Transducer Interface
Low ±0.1 mV Offset Error
High Accuracy Data Acquisition Systems
Low 0.2 ppm/°C Offset Error Temperature
Magnetometers
Drift
Low 0.6 ppm/°C Gain Error Temperature Drift
Zero Latency
The ADS8481 is an 18-bit, 1-MSPS A/D converter
Low Power: 220 mW at 1 MSPS
with
an
internal
4.096-V
reference
and
a
Unipolar Single-Ended Input Range: 0 V to
pseudo-differential unipolar single-ended input. The
Vref
device includes a 18-bit capacitor-based SAR A/D
converter with inherent sample and hold. The
Onboard Reference
ADS8481 offers a full 18-bit interface, a 16-bit option
Onboard Reference Buffer
where data is read using two read cycles, or an 8-bit
High-Speed Parallel Interface
bus option using three read cycles.
Wide Digital Supply 2.7 V ~ 5.25 V
The ADS8481 is available in a 7x7 QFN package
8-/16-/18-Bit Bus Transfer
and is characterized over the industrial –40°C to
85°C temperature range.
7x7 QFN Package
HIGH SPEED SAR CONVERTER FAMILY
TYPE/SPEED
500 kHz
580 kHz
750 kHz
1 MHz
1.25 MHz
2 MHz
3 MHz
4MHz
ADS8383
ADS8381
ADS8481
18-Bit Pseudo-Diff
ADS8380(S)
18-Bit Pseudo-Bipolar, Fully Diff
ADS8382(S)
ADS8482
ADS8371
ADS8471
ADS8401
ADS8411
16-Bit Pseudo-Diff
ADS8405
ADS8472
ADS8402
ADS8412
16-Bit Pseudo-Bipolar, Fully Diff
ADS8406
14-Bit Pseudo-Diff
ADS7890 (s)
ADS7891
12-Bit Pseudo-Diff
ADS7886
ADS7883
ADS7881
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.
Copyright © 2006, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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