ISL28118 Amplifiers Datasheet

ISL28118 Datasheet, PDF, Equivalent


Part Number

ISL28118

Description

Low-power Operational Amplifiers

Manufacture

Renesas

Total Page 30 Pages
Datasheet
Download ISL28118 Datasheet


ISL28118
DATASHEET
ISL28118, ISL28218
40V Precision Single-Supply, Rail-to-rail Output, Low-power Operational
Amplifiers
FN7532
Rev.8.00
Jan 16, 2020
The ISL28118, ISL28218 are single and dual, low-power
precision amplifiers optimized for single-supply applications.
These devices feature a common mode input voltage range
extending to 0.5V below the V- rail, a rail-to-rail differential
input voltage range for use as a comparator and rail-to-rail
output voltage swing, which makes them ideal for
single-supply applications where input operation at ground is
important.
These op amps feature low power, low offset voltage and low
temperature drift, making them the ideal choice for
applications requiring both high DC accuracy and AC
performance. These amplifiers are designed to operate over a
single supply range of 3V to 40V or a split supply voltage range
of +1.8V/-1.2V to ±20V. The combination of precision and
small footprint provides the user with outstanding value and
flexibility relative to similar competitive parts.
Applications for these amplifiers include precision
instrumentation, data acquisition, precision power supply
controls and industrial controls.
Both parts are offered in 8 Ld SOIC and 8 Ld MSOP packages. All
devices are offered in standard pin configurations and operate
across the extended temperature range of -40°C to +125°C.
Related Literature
For a full list of related documents, visit our website:
ISL28118, ISL28218 device pages
Features
• Rail-to-rail output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <10mV
• Below-ground (V-) input capability to -0.5V, ground sensing
• Single-supply range . . . . . . . . . . . . . . . . . . . . . . . . . . 3V to 40V
• Low current consumption . . . . . . . . . . . . . . . . . . . . . . . 850µA
• Low noise voltage . . . . . . . . . . . . . . . . . . . . . . . . . . 5.6nV/Hz
• Low noise current. . . . . . . . . . . . . . . . . . . . . . . . . . . 355fA/Hz
• Low input offset voltage
- ISL28118 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150µV (max)
- ISL28218 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230µV (max)
• Superb offset voltage temperature drift
- ISL28118 . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2µV/°C (max)
- ISL28218 . . . . . . . . . . . . . . . . . . . . . . . . . . 1.4µV/°C (max)
• Operating temperature range. . . . . . . . . . . -40°C to +125°C
• No phase reversal
Applications
• Precision instruments
• Medical instrumentation
• Data acquisition
• Power supply control
• Industrial process control
LOAD
RSENSE
RIN-
10kΩ
RIN+
10kΩ
VREF
Rf
100kΩ
IN- -
V+
ISL28118
IN+ +
V-
+3V
to 40V
VOUT
RREF+
100kΩ
GAIN = 10
FIGURE 1. TYPICAL APPLICATION: SINGLE-SUPPLY, LOW-SIDE
CURRENT SENSE AMPLIFIER
400
300
200
-40°C
100 +25°C
0 +125°C
-100
-200
-300
-400
-16
-15
-14 -13 13
14
15
INPUT COMMON MODE VOLTAGE (V)
FIGURE 2. INPUT OFFSET VOLTAGE vs INPUT COMMON MODE
VOLTAGE, VS = ±15V
16
FN7532 Rev.8.00
Jan 16, 2020
Page 1 of 30

ISL28118
ISL28118, ISL28218
Table of Contents
Pin Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Thermal Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Recommended Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Electrical Specifications (VS ±15V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Electrical Specifications (VS ±5V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Typical Performance Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Applications Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Operating Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Input Stage Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Output Drive Capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Output Phase Reversal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Single Channel Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
ISL28118 and ISL28218 SPICE Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Characterization vs Simulation Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Revision History. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Package Outline Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
FN7532 Rev.8.00
Jan 16, 2020
Page 2 of 30


Features DATASHEET ISL28118, ISL28218 40V Precis ion Single-Supply, Rail-to-rail Output, Low-power Operational Amplifiers FN75 32 Rev.8.00 Jan 16, 2020 The ISL28118, ISL28218 are single and dual, low-powe r precision amplifiers optimized for si ngle-supply applications. These devices feature a common mode input voltage ra nge extending to 0.5V below the V- rail , a rail-to-rail differential input vol tage range for use as a comparator and rail-to-rail output voltage swing, whic h makes them ideal for single-supply ap plications where input operation at gro und is important. These op amps feature low power, low offset voltage and low temperature drift, making them the idea l choice for applications requiring bot h high DC accuracy and AC performance. These amplifiers are designed to operat e over a single supply range of 3V to 4 0V or a split supply voltage range of + 1.8V/-1.2V to ±20V. The combination of precision and small footprint provides the user with outstanding value and flexibility relative to sim.
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