ISL28127_12 Datasheet, PDF (29/44 Pages) Intersil Corporation – Providing high-performance solutions for every link in the signal chain

► 8, 10, 12-bit SAR
8, 10, 12 bit, 20kSPS – 1MSP SAR A/D Converter Family: ISL267xx
A Perfect SAR A/D
Converter for
Low-Cost Industrial
Applications
Ultra Small Package
• 3x3mm 8 Ld µTDFN
The new ISL267xx family of 1MSPS SAR
ADCs offer users of popular single-channel
10 and 12-bit ADCs from ADI and TI a 100%
compatibility drop-in alternative, featuring
improved performance with a rugged 8kV
ESD rating and a competitive price, in all
popular 8-lead packages. This family also
includes proprietary 8, 10, and 12-bit devices
in industry-leading microTDFN packages,
resulting in a unique combination of
performance and compact size.
Key Features
• Upgrade to Popular ADI, TI Products
• 100% Drop-In Compatible with Performance
Equal or Better Than Highest Grades
• 10 and 12-bit Resolution
• All Single-Channel Inputs
• 20kSPS to 1MSPS Conversion Rates
• Robust Design for Industrial Ppplications with
8kV ESD Rating
• Popular 8-lead MSOP, SOIC, and SOT-23
Packages
• Specified for Operation Over Industrial
Temperature Range (-40ºC-85ºC)
• Competitively Priced
-- 1K resale $3.99, 16% lower than competitors*
• Also Proprietary 8, 10, 12-bit 1MSPS Devices in
3x3mm µTDFN
* at time of publication
Superior ±0.3 LSB (typ) Differential Non-Linearity
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
0
ISL267450A
1024
2048
3072
OUTPUT CODE
4096
Block Diagram
VREF
VDD
ISL267xx
AIN+
AIN–
VREF
SAR
Logic
Serial
Interface
SCLK
DOUT
CSB
GND
Intersil P/N
ISL267440
ISL267450
ISL267450A
ISL267452
ISL2671286
ISL267817
ISL26708
ISL26710
ISL26712
Competitor’s P/N
AD7440 (ADI)
AD7450 (ADI)
AD7450A (ADI)
AD7452 (ADI)
ADS1286 (TI)
ADS7817 (TI)
Upgrade
Upgrade
Upgrade
Resolution (bits)
10
12
12
12
12
12
8
10
12
Conversion Rate (kSPS)
1000
1000
1000
555
20
200
1000
1000
1000
Packages (all 8 lead)
SOT-23, MSOP
SOIC, MSOP
SOT-23, MSOP
SOT-23
SOIC
SOIC, MSOP
3x3 µTDFN, SOT-23
3x3 µTDFN, SOT-23
3x3 µTDFN, SOT-23
Intersil Signal Path Products  2012  www.intersil.com
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