ISL78307 Datasheet, PDF (6/20 Pages) Intersil Corporation – Intersil’s Solutions for Industrial Process Control

INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS
PLC
Analog Input
Analog Output
Evalboard
Available!
Easy to Use ADC
with Superior Noise
Performance at
Low Cost
Key Features
• Drop-In Compatible with ADS1232/34
-- Improved Performance with no change in
circuitry
• 10SPS, 80SPS Operation
• Best in Class Performance – 21.6 Bits noise-free
(Gain = 1)
• Low Noise PGA with Buffer
• Simultaneous 50/60 Hz Noise Rejection
• 2 & 4 Channel, Differential-input Multiplexer
• All Functions Pin-programmed
• Low Power: 50mW (max), 1µA in Shutdown Mode
-- 5V Analog, 5.5V / 2.7V Digital Supplies
• Easy-to-Use SPI-compatible Serial Interface
• 24 / 28 Pin TSSOP Package
• Extended Industrial Temp Range (-40ºC - 105ºC)
• Robust ESD Rating – 7.5kV HBM
• Samples and Evaluation Board Available
Control
Sensors
Power
24-bit ADCs: ISL26132, ISL26134
Low Noise
• At 10SPS, 128x Gain ISL26134 noise is 5.6nV/√Hz
• Competitor A shows 10.2nV/√Hz
ISL26134 128X Gain
Highly Integrated
Competitor A 128X Gain
AVDD
CAP
ISL26132, ISL26134
DVDD
INTERNAL EXTERNAL
CLOCK OSCILLATOR
XTALIN/CLOCK
XTALOUT
AIN1+
AIN1-
AIN2+
AIN2-
AIN3+
AIN3-
IOSnLl2y6134_AAIINN44+-
INPUT
MUX
PGA
1x/2x/64x/
128x
∆∑
ADC
SDO/RDY
SCLK
PWDN
SPEED
A0 A1/TEMP AGND GAIN0 GAIN1 CAP DGND VREF+ VREF- DGND DGND
Device
ISL26102
ISL26104
ISL26132
ISL26134
Description
Low-Noise 24-bit ADC
Low-Noise 24-bit ADC
Low-Noise, Low-cost 24-bit ADC
Low-Noise, Low-cost 24-bit ADC
Resolution
(Bits)
24
24
24
24
Max Conversion
Rate (SPS)
4000
4000
80
80
Channels
2
4
2
4
INL (%FS)
0.0002%
0.0002%
0.0002%
0.0002%
Noise
(µVrms)
0.01
0.01
0.01
0.01
Power
(mW)
50
50
50
50
Analog Supply
Voltage (V)
5V
5V
5V
5V
Digital Supply
Voltage (V)
2.7V - 5V
2.7V - 5V
2.7V - 5V
2.7V - 5V
Package
24 Ld TSSOP
28 Ld TSSOP
24 Ld TSSOP
28 Ld TSSOP
6 | www.intersil.com/industrial_process_control