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부품번호 AD8663 기능
기능 (AD8663 - AD8669) Rail-to-Rail Operational Amplifier
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AD8663 데이터시트, 핀배열, 회로
Data Sheet
Low Noise, Precision, 16 V, CMOS,
Rail-to-Rail Operational Amplifiers
AD8663/AD8667/AD8669
FEATURES
Low offset voltage: 175 μV maximum @ VSY = 5 V
Low supply current: 275 μA maximum per amplifier
Single-supply operation: 5 V to 16 V
Low noise: 23 nV/√Hz
Low input bias current: 300 fA
Unity-gain stable
Small packages available
3 mm × 3 mm, 8-lead LFCSP
8-lead MSOP
Other packages
8-lead SOIC
14-lead SOIC
14-lead TSSOP
APPLICATIONS
Sensor front ends
Transimpedance amplifiers
Electrometer applications
Photodiode amplification
Low power ADC drivers
Medical diagnostic instruments
pH and ORP meters and probes
DAC or REF buffers
GENERAL DESCRIPTION
The AD8663/AD8667/AD8669 are rail-to-rail output amplifiers
that use the Analog Devices, Inc., patented DigiTrim® trimming
technique to achieve low offset voltage. The AD8663/AD8667/
AD8669 feature an extended operating range with supply
voltages up to 16 V. They also feature low input bias current,
low input offset voltage, and low current noise.
The combination of low offset, very low input bias current, and
a wide supply range makes these amplifiers useful in a wide variety
of applications usually associated with higher priced JFET ampli-
fiers. Systems using high impedance sensors, such as photodiodes,
benefit from the combination of low input bias current, low
noise, low offset, and wide bandwidth.
The ability to operate the device for single (5 V to 16 V) or dual
supplies (±2.5 V to ±8 V) supports many applications. The rail-
to-rail outputs provide increased dynamic range to drive low
PIN CONFIGURATIONS
AD8663
TOP VIEW
(Not to Scale)
NC 1
8 NC
–IN 2 AD8663 7 V+
+IN
3
TOP VIEW
(Not to Scale)
6
OUT
V– 4
5 NC
NC 1
–IN 2
+IN 3
V– 4
8 NC
7 V+
6 OUT
5 NC
NC = NO CONNECT
Figure 1. 8-Lead SOIC (R-8)
NOTES
1. NC = NO CONNECT. DO NOT
CONNECT TO THIS PIN.
2. CONNECT THE EXPOSED PAD TO
V– OR LEAVE IT UNCONNECTED.
Figure 2. 8-Lead LFCSP (CP-8-13)
OUT A 1
–IN A 2
+IN A 3
V– 4
AD8667
TOP VIEW
(Not to Scale)
8 V+
7 OUT B
6 –IN B
5 +IN B
Figure 3. 8-Lead MSOP (RM-8),
8-Lead SOIC (R-8)
OUT A 1
14 OUT D
–IN A 2
13 –IN D
+IN A 3 AD864698 12 +IN D
V+ 4 TOP VIEW 11 V–
+IN B 5 (Not to Scale) 10 +IN C
–IN B 6
9 –IN C
OUT B 7
8 OUT C
Figure 4. 14-Lead SOIC (R-14),
14-Lead TSSOP (RU-14)
frequency data converters. The low bias current drift is well-
suited for precision I-to-V converters. The combination of
precision offset, offset drift, and low noise also make the op
amps ideal for gain, dc offset adjust, and active filter in both
instrumentation and medical applications. These low power
op amps can be used in IR thermometers, pH and ORP instru-
ments, pressure transducer front ends, and other sensor signal
conditioning circuits that are used in remote or wireless
applications.
The AD8663/AD8667/AD8669 are specified over the extended
industrial temperature range of −40°C to +125°C. The single
AD8663 is available in a narrow 8-lead SOIC package and a very
thin, 8-lead LFCSP. The dual AD8667 is available in a narrow
8-lead SOIC package and an 8-lead MSOP. The quad AD8669
is available in a 14-lead SOIC and 14-lead small TSSOP.
Rev. D
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2007–2016 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com




AD8663 pdf, 반도체, 판매, 대치품
AD8663/AD8667/AD8669
Data Sheet
VSY = 16.0 V, VCM = VSY/2, TA = 25°C, unless otherwise noted.
Table 2.
Parameter
INPUT CHARACTERISTICS
Offset Voltage
Input Bias Current
Input Offset Current
Input Voltage Range
Common-Mode Rejection Ratio
Large Signal Voltage Gain
Offset Voltage Drift
OUTPUT CHARACTERISTICS
Output Voltage High
Output Voltage High
Output Voltage Low
Output Voltage Low
Short-Circuit Current
Closed-Loop Output Impedance
POWER SUPPLY
Power Supply Rejection Ratio
Supply Current per Amplifier
DYNAMIC PERFORMANCE
Slew Rate
Gain Bandwidth Product
Phase Margin
NOISE PERFORMANCE
Peak-to-Peak Noise
Voltage Noise Density
Current Noise Density
Symbol
VOS
IB
IOS
CMRR
AVO
TCVOS
VOH
VOH
VOL
VOL
ISC
ZOUT
PSRR
ISY
SR
GBP
ΦM
en p-p
en
in
Conditions
VCM = VSY/2
−40°C < TA < +125°C
−40°C < TA < +85°C
−40°C < TA < +125°C
−40°C < TA < +85°C
−40°C < TA < +125°C
VCM = 0.2 V to 14.5 V
−40°C < TA < +125°C
RL = 100 kΩ, VOUT = 0.5 V to 15.5 V
RL = 2 kΩ, VOUT = 0.5 V to 15.5 V
−40°C < TA < +125°C
IL = 100 μA
−40°C < TA < +125°C
IL = 1 mA
−40°C < TA < +125°C
IL = 100 μA
−40°C < TA < +125°C
IL = 1 mA
−40°C < TA < +125°C
f = 100 kHz, AV = 1
VSY = 5 V to 16 V
−40°C < TA < +125°C
VOUT = VSY/2
−40°C < TA < +125°C
RL = 2 kΩ
CL = 20 pF
CL = 20 pF
f = 0.1 Hz to 10 Hz
f = 1 kHz
f = 10 kHz
f = 1 kHz
Min Typ Max
40 300
500
0.3
45
120
0.2
35
65
0.2 14.5
87 109
87 109
115 140
106 111
1.5 5
15.95
15.90
15.85
15.80
15.98
15.92
17
70
±50
100
25
35
100
125
95 105
95
230 285
355
0.3
540
64
2.5
23
21
0.05
Unit
µV
µV
pA
pA
pA
pA
pA
pA
V
dB
dB
dB
dB
µV/°C
V
V
V
V
mV
mV
mV
mV
mA
dB
dB
μA
μA
V/µs
kHz
Degrees
µV p-p
nV/√Hz
nV/√Hz
pA/√Hz
Rev. D | Page 4 of 15

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AD8663 전자부품, 판매, 대치품
Data Sheet
100
VSY = 5V
TA = 125°C
80
60
40
20
0
0.5 1.0
1.5 2.0 2.5 3.0 3.5 4.0 4.5
VCM (V)
Figure 11. Input Bias Current vs. Common-Mode Voltage at 125°C
100
90
80
70
60
50
40
30
20
100
VSY = 5V
TA = 25°C
1k 10k 100k 1M
FREQUENCY (Hz)
Figure 12. CMRR vs. Frequency, VSY = 5 V
10M
10000
VSY = 5V
TA = 25°C
1000
100 VSY – VOH SOURCING
VOL SINKING
10
1
0.1
0.001
0.01
0.1
1
10
LOAD CURRENT (mA)
Figure 13. Output Swing Saturation Voltage vs. Load Current
AD8663/AD8667/AD8669
100
VSY = 16V
TA = 125°C
80
60
40
20
0
0.5 2.5 4.5 6.5 8.5 10.5 12.5 14.5
VCM (V)
Figure 14. Input Bias Current vs. Common-Mode Voltage at 125°C
100
90
80
70
60
50
40
30
20
100
VSY = 16V
TA = 25°C
1k 10k 100k 1M
FREQUENCY (Hz)
Figure 15. CMRR vs. Frequency, VSY = 16 V
10M
10000
VSY = 16V
TA = 25°C
1000
100 VSY – VOH SOURCING
10 VOL SINKING
1
0.1
0.001
0.01
0.1
1
10 100
LOAD CURRENT (mA)
Figure 16. Output Swing Saturation Voltage vs. Load Current
Rev. D | Page 7 of 15

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