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Burr-Brown Corporation

ADS8402 Datasheet Preview

ADS8402 Datasheet

16-BIT/ 1.25 MSPS/ UNIPOLAR DIFFERENTIAL INPUT/ MICRO POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE

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ADS8402
SLAS154B – DECEMBER 2002 – REVISED MAY 2003
16-BIT, 1.25 MSPS, UNIPOLAR DIFFERENTIAL INPUT, MICRO POWER SAMPLING
ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
FEATURES
D 1.25-MHz Sample Rate
D 16-Bit NMC Ensured Over Temperature
D Zero Latency
D Unipolar Differential Input Range: Vref to –Vref
D Onboard Reference
D Onboard Reference Buffer
D High-Speed Parallel Interface
D Power Dissipation: 155 mW at 1.25 MHz Typ
D Wide Digital Supply
D 8-/16-Bit Bus Transfer
D 48-Pin TQFP Package
APPLICATIONS
D DWDM
D Instrumentation
D High-Speed, High-Resolution, Zero Latency
Data Acquisition Systems
D Transducer Interface
D Medical Instruments
D Communication
DESCRIPTION
The ADS8402 is a 16-bit, 1.25 MHz A/D converter with an
internal 4.096-V reference. The device includes a 16-bit
capacitor-based SAR A/D converter with inherent sample
and hold. The ADS8402 offers a full 16-bit interface and an
8-bit option where data is read using two 8-bit read cycles.
The ADS8402 has a unipolar differential input. It is
available in a 48-lead TQFP package and is characterized
over the industrial –40°C to 85°C temperature range.
REFOUT
SAR
+IN
–IN
REFIN
+
_
CDAC
Comparator
4.096-V
Internal
Reference
Clock
Output
Latches
and
3-State
Drivers
Conversion
and
Control Logic
BYTE
16-/8-Bit
Parallel DATA
Output Bus
RESET
CONVST
BUSY
CS
RD
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.
Copyright 2002–2003, Texas Instruments Incorporated




Burr-Brown Corporation

ADS8402 Datasheet Preview

ADS8402 Datasheet

16-BIT/ 1.25 MSPS/ UNIPOLAR DIFFERENTIAL INPUT/ MICRO POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE

No Preview Available !

ADS8402
SLAS154B DECEMBER 2002 REVISED MAY 2003
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during
storage or handling to prevent electrostatic damage to the MOS gates.
ORDERING INFORMATION
MODEL
MAXIMUM
INTEGRAL
LINEARITY
(LSB)
MAXIMUM
DIFFERENTIAL
LINEARITY
(LSB)
NO
MISSING
CODES
RESOLU-
TION (BIT)
PACKAGE
TYPE
PACKAGE
DESIGNATOR
TEMPER-
ATURE
RANGE
ADS8402I
±6
2~+3
15
48 Pin
TQFP
PFB
40°C to
85°C
ADS8402IB
±3.5
1~+2
16
48 Pin
TQFP
PFB
40°C to
85°C
NOTE: For the most current specifications and package information, refer to our website at www.ti.com.
ORDERING
INFORMATION
ADS8402IPFBT
ADS8402IPFBR
ADS8402IBPFBT
ADS8402IBPFBR
TRANS-
PORT
MEDIA
QUANTITY
Tape and
reel 250
Tape and
reel 1000
Tape and
reel 250
Tape and
reel 1000
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range unless otherwise noted(1)
Voltage
+IN to AGND
IN to AGND
+VA to AGND
Voltage range
+VBD to BDGND
+VA to +VBD
Digital input voltage to BDGND
Digital output voltage to BDGND
Operating free-air temperature range, TA
Storage temperature range, Tstg
Junction temperature (TJ max)
TQFP package
Power dissipation
θJA thermal impedance
Lead temperature, soldering
Vapor phase (60 sec)
Infrared (15 sec)
UNIT
+VA + 0.1 V
+VA + 0.1 V
0.3 V to 7 V
0.3 V to 7 V
0.3 V to 2.5 V
0.3 V to +VBD + 0.3 V
0.3 V to +VBD + 0.3 V
40°C to 85°C
65°C to 150°C
150°C
(TJMax TA)/θJA
86°C/W
215°C
220°C
(1) Stresses beyond those listed under absolute maximum ratingsmay cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditionsis not
implied.Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
2


Part Number ADS8402
Description 16-BIT/ 1.25 MSPS/ UNIPOLAR DIFFERENTIAL INPUT/ MICRO POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
Maker Burr-Brown Corporation
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ADS8402 Datasheet PDF






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