DATASHEET
ISL28107, ISL28207, ISL28407
Precision Single, Dual and Quad Low Noise Operational Amplifiers
FN6631
Rev 8.00
September 29, 2015
The ISL28107, ISL28207 and ISL28407 are single, dual and
Features
quad amplifiers featuring low noise, low input bias current,
and low offset and temperature drift. This makes them the
ideal choice for applications requiring both high DC accuracy
and AC performance. The combination of precision, low noise,
and small footprint provides the user with outstanding value
and flexibility relative to similar competitive parts.
• Low input offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75µV Max.
• Input bias current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15pA
• Superb temperature drift
- Voltage offset . . . . . . . . . . . . . . . . . . . . . . . 0.65µV/°C Max.
- Input current. . . . . . . . . . . . . . . . . . . . . . . . . .0.9pA/°C Max.
Applications for these amplifiers include precision active
filters, medical and analytical instrumentation, precision
power supply controls, and industrial controls.
• Outstanding ESD performance
- Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . . .4.5kV
- Machine Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500V
- Charged Device Model. . . . . . . . . . . . . . . . . . . . . . . . . .1.5kV
The ISL28107 is available in 8 Ld SOIC, MSOP and TDFN
packages. The ISL28207 is available in 8 Ld SOIC, MSOP and
TDFN packages. The ISL28407 is available in a 14 Ld SOIC
package. All devices are offered in standard pin configurations
and operate over the extended temperature range of -40°C to
+125°C.
• Very low voltage noise, 10Hz . . . . . . . . . . . . . . . . . . 14nV/Hz
• Low current consumption (per amp) . . . . . . . . . 0.29mA Max.
• Gain-bandwidth product . . . . . . . . . . . . . . . . . . . . . . . . . . 1MHz
• Wide supply range . . . . . . . . . . . . . . . . . . . . . . . . . .4.5V to 40V
• Operating temperature range. . . . . . . . . . . .-40°C to +125°C
• No phase reversal
Applications
• Precision instruments
• Medical instrumentation
• Spectral analysis equipment
• Active filter blocks
• Pb-free (RoHS compliant)
Related Literature
• See AN1508 “ISL281X7SOICEVAL1Z Evaluation Board
User’s Guide”
• Microphone pre-amplifier
• Thermocouples and RTD reference buffers
• Data acquisition
• See AN1509 “ISL282X7SOICEVAL2Z Evaluation Board
User’s Guide”
• Power supply control
1000
C1
V
= ±19V
= 1
+
A
8.2nF
V
V+
-
100
OUTPUT
V
R
R
2
IN
1
+
19.1k
48.7k
3.3nF
C2
V-
10
0.1
1
10
100
1k
10k
100k
FREQUENCY (Hz)
SALLEN-KEY LOW PASS FILTER (1kHz)
FIGURE 1. TYPICAL APPLICATION
FIGURE 2. INPUT NOISE VOLTAGE SPECTRAL DENSITY
FN6631 Rev 8.00
Page 1 of 31
September 29, 2015