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ADS8370IB

Description
16-BIT, 600-kHz, PSEUDO-DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH SERIAL INTERFACE AND REFERENCE
File Size746KB,29 Pages
ManufacturerBurr-Brown
Websitehttp://www.burr-brown.com/
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ADS8370IB Overview

16-BIT, 600-kHz, PSEUDO-DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH SERIAL INTERFACE AND REFERENCE

Burr Brown Products
from Texas Instruments
ADS8370
SLAS450 – JUNE 2005
16-BIT, 600-kHz, PSEUDO-DIFFERENTIAL INPUT, MICROPOWER SAMPLING
ANALOG-TO-DIGITAL CONVERTER WITH SERIAL INTERFACE AND REFERENCE
FEATURES
600-kHz Sample Rate
±0.5 LSB Typ, ±1.25 LSB Max INL
±0.4 LSB Typ, ±0.75 LSB Max DNL
16-Bit NMC
SINAD 89.5 dB, SFDR 119 dB at f
i
= 1 kHz
High-Speed Serial Interface up to 40 MHz
Onboard Reference Buffer
Onboard 4.096-V Reference
Pseudo-Differential Input, 0 V to 4.2 V
Onboard Conversion Clock
Selectable Output Format, 2's Complement or
Straight Binary
Zero Latency
Wide Digital Supply
Low Power:
– 110 mW at 600 kHz
– 15 mW During Nap Mode
– 10
µW
During Power Down
28-Pin 6 x 6 QFN Package
Pin compatible With 18-Bit ADS8380
APPLICATIONS
Medical Instruments
Optical Networking
Transducer Interface
High Accuracy Data Acquisition Systems
Magnetometers
DESCRIPTION
The ADS8370 is a high performance 16-bit, 600-kHz
A/D converter with single-ended (pseudo-differential)
input. The device includes an 16-bit capacitor-based
SAR A/D converter with inherent sample and hold.
The ADS8370 offers a high-speed CMOS serial
interface with clock speeds up to 40 MHz.
The ADS8370 is available in a 28 lead 6 × 6 QFN
package and is characterized over the industrial
–40°C to 85°C temperature range.
High Speed SAR Converter Family
Type/Speed
18-Bit Pseudo-Diff
18-Bit Pseudo-Bipolar, Fully Diff
16-Bit Pseudo-Diff
16-Bit Pseudo-Bipolar, Fully Diff
14-Bit Pseudo-Diff
12-Bit Pseudo-Diff
ADS7886
500 kHz
ADS8383
~ 600 kHz
ADS8381
ADS8380 (S)
ADS8382 (S)
ADS8370 (S)
ADS8372 (S)
ADS8371
ADS8401/05
ADS8402/06
ADS7890 (S)
ADS8411
ADS8412
ADS7891
ADS7881
750 kHZ
1 MHz
1.25 MHz
2 MHz
3 MHz
4 MHz
SAR
+IN
−IN
REFIN
4.096-V
Internal
Reference
+
_
CDAC
Comparator
Output
Latches
and
3-State
Drivers
FS
SCLK
SB/2C
SDO
REFOUT
Clock
Conversion
and
Control Logic
CS
CONVST
BUSY
PD
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 the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2005, Texas Instruments Incorporated

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