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ADS1208IPWRG4

Description
1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16
Categorysemiconductor    logic   
File Size351KB,22 Pages
ManufacturerBurr-Brown
Websitehttp://www.burr-brown.com/
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ADS1208IPWRG4 Overview

1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16

ADS1208IPWRG4 Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals16
Maximum operating temperature85 Cel
Minimum operating temperature-40 Cel
Rated supply voltage5 V
Maximum linear error0.0120 %
Maximum limit analog input voltage0.1250 V
Minimum limit analog input voltage-0.1250 V
Processing package descriptionGREEN, PLASTIC, TSSOP-16
Lead-freeYes
EU RoHS regulationsYes
China RoHS regulationsYes
stateDISCONTINUED
packaging shapeRECTANGULAR
Package SizeSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
surface mountYes
Terminal formGULL WING
Terminal spacing0.6500 mm
terminal coatingNICKEL PALLADIUM GOLD
Terminal locationDUAL
Packaging MaterialsPLASTIC/EPOXY
Temperature levelINDUSTRIAL
Output formatSERIAL
Type of converterDELTA-SIGMA
Number of digits16
Output bit encodingBINARY
Number of analog channels1
Burr Brown Products
from Texas Instruments
ADS1208
SBAS348A – MARCH 2005 – REVISED MARCH 2005
2nd-Order Delta-Sigma Modulator
with Excitation for Hall Elements
FEATURES
±100mV Specified Input Range
±125mV Full-Scale Range
95dB typ. CMR, 82dB typ. SNR
Adjustable Current Output for Sensor Biasing
Digital Output Compatible to ADS1202/03
Differential Digital Outputs
Separate 2.7V to 5.5V Digital Supply Pin
DESCRIPTION
The ADS1208 is a 2nd-order
∆Σ
(delta-sigma) modu-
lator operating at a 10MHz clock rate. The specified
input range is ±100mV, optimized for current
measurement with a Hall sensor, especially in motor
control applications. The ADS1208 contains a
programmable current source for sensor biasing and
has integrated input buffers for fast settling of the
sample capacitors; it also requires only a minimum of
external components. The differential analog input
offers low noise and excellent common-mode rejec-
tion.
APPLICATIONS
Motor Control
Current Measurement
Hall Sensors
Bridge Sensors
Instrumentation
AVDD
AVDD
BVDD
ADS1208
IADJ
IOUT
Buffer
Internal 2.5V
Reference
REFOUT
REFIN
Buffer
V
IN+
Buffer
2nd−
Order
∆Σ
Modulator
MDATA
MDATA
MCLK
MCLK
V
IN−
Buffer
Interface
Circuit
RC Oscillator
20MHz
M0
M1
BGND
AGND
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

ADS1208IPWRG4 Related Products

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Description 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16
Number of functions 1 1 1 1 1 1
Number of terminals 16 16 16 16 16 16
Maximum operating temperature 85 Cel 85 Cel 85 Cel 85 Cel 85 Cel 85 Cel
Minimum operating temperature -40 Cel -40 Cel -40 Cel -40 Cel -40 Cel -40 Cel
Rated supply voltage 5 V 5 V 5 V 5 V 5 V 5 V
Maximum linear error 0.0120 % 0.0120 % 0.0120 % 0.0120 % 0.0120 % 0.0120 %
Maximum limit analog input voltage 0.1250 V 0.1250 V 0.1250 V 0.1250 V 0.1250 V 0.1250 V
Minimum limit analog input voltage -0.1250 V -0.1250 V -0.1250 V -0.1250 V -0.1250 V -0.1250 V
Processing package description GREEN, PLASTIC, TSSOP-16 GREEN, PLASTIC, TSSOP-16 GREEN, PLASTIC, TSSOP-16 GREEN, PLASTIC, TSSOP-16 GREEN, PLASTIC, TSSOP-16 PLASTIC, TSSOP-16
Lead-free Yes Yes Yes Yes Yes Yes
EU RoHS regulations Yes Yes Yes Yes Yes Yes
China RoHS regulations Yes Yes Yes Yes Yes Yes
state DISCONTINUED ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE
packaging shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package Size SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
surface mount Yes Yes Yes Yes Yes Yes
Terminal form GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING
Terminal spacing 0.6500 mm 0.6500 mm 0.6500 mm 0.6500 mm 0.6500 mm 0.6500 mm
terminal coating NICKEL PALLADIUM GOLD NICKEL PALLADIUM GOLD NICKEL PALLADIUM GOLD NICKEL PALLADIUM GOLD NICKEL PALLADIUM GOLD NICKEL PALLADIUM GOLD
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL
Packaging Materials PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
Output format SERIAL SERIAL SERIAL SERIAL SERIAL SERIAL
Type of converter DELTA-SIGMA DELTA-SIGMA DELTA-SIGMA DELTA-SIGMA DELTA-SIGMA DELTA-SIGMA
Number of digits 16 16 16 16 16 16
Output bit encoding BINARY BINARY BINARY BINARY BINARY BINARY
Number of analog channels 1 1 1 1 1 1
Sampling Rate - 10 MHz 10 MHz 10 MHz - 10 MHz
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