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AD8661ACPZ-REEL7-AD8661ARZ
16V Low Cost, High Performance CMOS Rail-to-Rail Operational Amplifiers
REV. PrA 10/5/2004
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its use,
16V Low Cost, High Performance
CMOS Rail-to-Rail
Operational Amplifiers
FEATURES
Low Offset Voltage: 75 µV max Low Input Bias Currents 1pA Max
Single-Supply Operation: 5 to 16 Volts
Dual-Supply Operation: +/- 2.5 to +/-8 Volts
Low Noise: 10 nV/√Hz
Wide Bandwidth: 4 MHz Unity Gain Stable
APPLICATIONS Multi-pole Filters
Sensors
Medical Equipment Consumer Audio
Photodiode amplification
ADC driver
GENERAL DESCRIPTION The AD8661, AD8662 and AD8664 are single, dual and quad
rail-to-rail output single supply amplifiers that use Analog Devices’ patented DigiTrim® trimming technique to achieve
low offset voltage. The AD8661 family features an extended operating range with supply voltages up to 16 V. They also
feature low input bias currents, wide signal bandwidth, and low input voltage and current noise.
The combination of low offsets, very low input bias currents,
and wide supply range make these amplifiers useful in a wide variety of applications normally associated with much higher priced JFET amplifiers. Systems utilizing high impedance
sensors, such as photo-diodes benefit from the combination of low input bias current, low noise, low offset and bandwidth.
The wide operating voltage range matches today’s high performance ADCs and DACs. Audio applications and medical monitoring equipment can take advantage of the high
input impedance, low voltage and current noise, wide bandwidth and the lack of “popcorn” noise (found in many other low input bias current amplifiers).
The AD8661, AD8662 and AD8664 are specified over the extended industrial (-40° to +125°C) temperature range. The
AD8661, single, is available in the tiny 8-lead LFCSP (MO-220) 3mm x 3mm and 8-lead SOIC package. The AD8662, dual, is available in the 8-lead micro-SOIC and narrow SOIC
surface mount packages. The AD8664, quad, is available in 14-lead TSSOP and narrow 14-pin SOIC packages.
LFCSP, MSOP and TSSOP versions are available in tape and
reel only.
PIN CONFIGURATIONS
8-Lead LFCSP (CP-8)
3mm x 3mm
8-Lead MSOP (RM-8)
8-Lead SO
(R-8)
14-Lead TSSOP
(RU-14)
8-Lead SO (R-8)
14-Lead SO
(R-14)
ELECTRICAL CHARACTERISTICS (VS=+5.0V, VCM = VS/2, TA=+25°C unless otherwise noted)
ELECTRICAL CHARACTERISTICS (VS=±8.0V, VCM = 0, TA=+25°C unless otherwise noted) ABSOLUTE MAXIMUM RATINGS1 Supply voltage.........................................................................+18V
Input Voltage....................................................................Gnd to Vs
Differential Input Voltage.......................................................±18V
Output Short-Circuit Duration to Gnd2.....Observe Derating Curves
Storage Temperature Range
R, CP, RM, RU Package................................-65°C to +150°C
Operating Temperature Range
AD8661/AD8662/AD8664............................-40°C to +125°C
Junction Temperature Range
R, CP, RM, RU Package................................-65°C to +150°C Lead Temperature Range (Soldering, 60 Sec).............+300°C
NOTES Absolute maximum ratings apply at 25°C, unless otherwise noted. θJA is specified for the worst-case conditions, i.e., θJAis specified for device soldered
in circuit board for surface mount packages.
ORDERING GUIDE OUTLINE DIMENSIONS
8-Lead LFCSP
(CP-8 Suffix)
8-Lead SOIC
(RM-8) 14-Lead TSSOP (RU-14)
8-Lead SO (R-8) 14-Lead SO
(R-14) :
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