DAC102S085 Digital-to-Analog Converter Datasheet

DAC102S085 Datasheet, PDF, Equivalent


Part Number

DAC102S085

Description

10-Bit Micro Power DUAL Digital-to-Analog Converter

Manufacture

etcTI

Total Page 30 Pages
Datasheet
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DAC102S085
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DAC102S085
SNAS364F – MAY 2006 – REVISED APRIL 2016
DAC102S085 10-Bit Micro Power DUAL Digital-to-Analog Converter With Rail-to-Rail
Output
1 Features
1 Ensured Monotonicity
• Low Power Operation
• Rail-to-Rail Voltage Output
• Power-On Reset to 0 V
• Simultaneous Output Updating
• Wide Power Supply Range (2.7 V to 5.5 V)
• Industry's Smallest Package
• Power Down Modes
• Key Specifications
– Resolution: 10 Bits
– INL: ±2 LSB (Maximum)
– DNL: +0.35 or –0.25 LSB (Maximum)
– Settling Time: 6 µs (Maximum)
– Zero Code Error: 15 mV (Maximum)
– Full-Scale Error: –0.75% FS (Maximum)
– Supply Power
– Normal: 0.6 mW at 3 V, 1.6 mW at 5 V
(Typical)
– Power Down: 0.3 µW at 3 V, 0.8 µW at 5 V
(Typical)
2 Applications
• Battery-Powered Instruments
• Digital Gain and Offset Adjustment
• Programmable Voltage and Current Sources
• Programmable Attenuators
3 Description
The DAC102S085 is a full-featured, general-purpose
DUAL 10-bit voltage-output digital-to-analog converter
(DAC) that can operate from a single 2.7-V to 5.5-V
supply and consumes 0.6 mW at 3 V and 1.6 mW at
5 V. The DAC102S085 is packaged in 10-pin WSON
and VSSOP packages. The 10-pin WSON package
makes the DAC102S085 the smallest DUAL DAC in
its class. The on-chip output amplifier allows rail-to-
rail output swing and the three wire serial interface
operates at clock rates up to 40 MHz over the entire
supply voltage range. Competitive devices are limited
to 25-MHz clock rates at supply voltages in the 2.7-V
to 3.6-V range. The serial interface is compatible with
standard SPI™, QSPI, MICROWIRE and DSP
interfaces.
The reference for the DAC102S085 serves both
channels and can vary in voltage between 1 V and
VA, providing the widest possible output dynamic
range. The DAC102S085 has a 16-bit input shift
register that controls the outputs to be updated, the
mode of operation, the power-down condition, and
the binary input data. Both outputs can be updated
simultaneously or individually depending on the
setting of the two mode of operation bits.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
DAC102S085
VSSOP (10)
WSON (10)
3.00 mm × 3.00 mm
3.00 mm × 3.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Block Diagram
VREFIN
REF
POWER-ON
RESET
10 BIT DAC
10
DAC102S085
BUFFER
VOUTA
DAC
REF
REGISTER
10 BIT DAC
10
BUFFER
2.5k
100k
VOUTB
10 2.5k 100k
INPUT
CONTROL
LOGIC
POWER-DOWN
CONTROL
LOGIC
SYNC SCLK DIN
1
Copyright © 2016, Texas Instruments Incorporated
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.

DAC102S085
DAC102S085
SNAS364F – MAY 2006 – REVISED APRIL 2016
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Description (continued)......................................... 3
6 Pin Configuration and Functions ......................... 3
7 Specifications......................................................... 4
7.1 Absolute Maximum Ratings ...................................... 4
7.2 ESD Ratings.............................................................. 4
7.3 Recommended Operating Conditions....................... 4
7.4 Thermal Information .................................................. 4
7.5 Electrical Characteristics........................................... 5
7.6 AC and Timing Requirements................................... 6
7.7 Typical Characteristics .............................................. 8
8 Detailed Description ............................................ 13
8.1 Overview ................................................................. 13
8.2 Functional Block Diagram ....................................... 13
8.3 Feature Description................................................. 13
8.4 Device Functional Modes........................................ 15
8.5 Programming........................................................... 15
9 Application and Implementation ........................ 18
9.1 Application Information............................................ 18
9.2 Typical Application .................................................. 19
10 Power Supply Recommendations ..................... 20
10.1 Using References as Power Supplies................... 20
11 Layout................................................................... 23
11.1 Layout Guidelines ................................................. 23
11.2 Layout Example .................................................... 23
12 Device and Documentation Support ................. 24
12.1 Device Support...................................................... 24
12.2 Documentation Support ........................................ 25
12.3 Community Resources.......................................... 25
12.4 Trademarks ........................................................... 25
12.5 Electrostatic Discharge Caution ............................ 25
12.6 Glossary ................................................................ 25
13 Mechanical, Packaging, and Orderable
Information ........................................................... 25
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision E (March 2013) to Revision F
Page
• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation
section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section. ................................................................................................. 1
Changes from Revision D (March 2013) to Revision E
Page
• Changed layout of National Data Sheet to TI format ........................................................................................................... 23
2 Submit Documentation Feedback
Copyright © 2006–2016, Texas Instruments Incorporated
Product Folder Links: DAC102S085


Features Product Folder Sample & Buy Technical Documents Tools & Software Support & Community DAC102S085 SNAS364F – MAY 2006 – REVISED APRIL 2016 DAC102S085 10-Bit Micro Power DUAL Digital-to-Anal og Converter With Rail-to-Rail Output 1 Features •1 Ensured Monotonicity Low Power Operation • Rail-to-Rail Voltage Output • Power-On Reset to 0 V • Simultaneous Output Updating • Wide Power Supply Range (2.7 V to 5.5 V ) • Industry's Smallest Package • P ower Down Modes • Key Specifications – Resolution: 10 Bits – INL: ±2 LS B (Maximum) – DNL: +0.35 or –0.25 L SB (Maximum) – Settling Time: 6 µs ( Maximum) – Zero Code Error: 15 mV (Ma ximum) – Full-Scale Error: –0.75% F S (Maximum) – Supply Power – Normal : 0.6 mW at 3 V, 1.6 mW at 5 V (Typical ) – Power Down: 0.3 µW at 3 V, 0.8 W at 5 V (Typical) 2 Applications • Battery-Powered Instruments • Digital Gain and Offset Adjustment • Program mable Voltage and Current Sources • Programmable Attenuators 3 Description The DAC102S085 is a full-featured, genera.
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