ISL78307 Datasheet, PDF (15/20 Pages) Intersil Corporation – Intersil’s Solutions for Industrial Process Control

INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS
DCS
Analog Input
Analog Output
Control
Sensors
Power
Low Cost SAR A/D
Converter Family
Key Features
• 100% Drop-In Compatible with Performance Equal
or Better than Highest Grades
• Improved Alternative to Popular Competing Devices
• Simple SPI-Compatible Serial Digital Interface
• Guaranteed No Missing Codes
• Low Operating Power
-- 2.15mW (200kSPS)
• Power-Down Current Between Conversions: 3μA
• Excellent Differential Non-Linearity (1.0LSB max)
• Available in MSOP, SOT-23 and SOIC Packages
Block Diagram
12-Bit SAR ADC: ISL2671286, ISL267817
VREF
VDD
ISL267817
AIN+
AIN–
VREF
SAR
Logic
Serial
Interface
SCLK
DOUT
CSB
GND
Intersil P/N
ISL267440 (Coming soon)
ISL267450 (Coming soon)
ISL267450A (Coming soon)
ISL267452 (Coming soon)
ISL2671286 (Sampling)
ISL267817 (Sampling)
ISL26708 (Coming soon)
ISL26710 (Coming soon)
ISL26712 (Coming soon)
Competitor’s P/N
AD7440 (ADI)
AD7450 (ADI)
AD7450A (ADI)
AD7452 (ADI)
ADS1286 (TI)
ADS7817 (TI)
Proprietary
Proprietary
Proprietary
Device Description
10 Bit 1MSPS SAR ADC
12 Bit 1MSPS SAR ADC
12 Bit 1MSPS SAR ADC
12 Bit 555kSPS SAR ADC
12 Bit Single Ended 20kHz SAR ADC
12 Bit 200kSPS SAR ADC
8 Bit 1MSPS SAR ADC
10 Bit 1MSPS SAR ADC
12 Bit Single Ended 20kHz SAR ADC
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 DFN, SOT-23
3x3 DFN, SOT-23
3x3 DFN, SOT-23
Evalboard
Available!
1A, High V_IN STD
Buck Regulator
Key Features
• Standard Buck Controller with Integrated
Switching Power MOSFET
• Integrated Boot Diode
• Wide Input Voltage Range
-- Fixed 5V ±10%
-- Variable 5.5V to 25V
• PWM Output Voltage Adjustable from 0.6V to 19V
with Continuous Output Current up to 1A
• Externally Adjustable Soft-Start Time
• “Power OK” and “Enable”
Integrated FET Buck Regulators: ISL85001
Typical Application : Positive Vout
R4
3.16k
C5
0.1µF
R3 C3
301 100pF
C2
2.2nF
R2
31k
R1
10k
C1
10pF
VOUT
EN
PG
ISL85001
GND
VIN
C9
10µF
5.5V TO 25V
PHASE
C10
BOOT ^0.1µF
VDD
C13
1µF
L
22µH
D
B340LB
VOUT = 2.5V
C11
47µF
Typical Application : Negative Vout
Vin
U1
1
12
2
11
3
10
4
9
5
8
6
7
13
ISL8500 / ISL85001
+
+
GND
-Vout
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