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AR8609ARU-REEL 데이터시트 PDF




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부품번호 AR8609ARU-REEL 기능
기능 Precision Micropower Low Noise CMOS Rail-Rail Input/Output Operational Amplifiers
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AR8609ARU-REEL 데이터시트, 핀배열, 회로
Precision Micropower Low Noise CMOS Rail-
to-Rail Input/Output Operational Amplifiers
AD8603/AD8607/AD8609
FEATURES
Low offset voltage: 50 µV max
Low input bias current: 1 pA max
Single-supply operation: 1.8 V to 5 V
Low noise: 22 nV/√Hz
Micropower: 50 µA max
Low distortion
No phase reversal
Unity gain stable
APPLICATIONS
Battery-powered instrumentation
Multipole filters
Sensors
Low power ASIC input or output amplifiers
GENERAL DESCRIPTION
The AD8603/AD8607/AD8609 are, single/dual/quad micro-
power rail-to-rail input and output amplifiers, respectively, that
features very low offset voltage as well as low input voltage and
current noise.
These amplifiers use a patented trimming technique that
achieves superior precision without laser trimming. The parts
are fully specified to operate from 1.8 V to 5.0 V single supply
or from ±0.9 V to ±2.5 V dual supply. The combination of low
offsets, low noise, very low input bias currents, and low power
consumption make the AD8603/AD8607/AD8609 especially
useful in portable and loop-powered instrumentation.
The ability to swing rail to rail at both the input and output
enables designers to buffer CMOS ADCs, DACs, ASICs, and
other wide output swing devices in low power single-supply
systems.
The AD8603 is available in a tiny 5-lead TSOT-23 package. The
AD8607 is available in 8-lead MSOP and SOIC packages. The
AD8609 is available in 14-lead TSSOP and SOIC packages.
PIN CONFIGURATIONS
OUT 1
5 V+
AD8603
V– 2
TOP VIEW
+IN 3 (Not to Scale) 4 –IN
Figure 1. 5-Lead TSOT-23 (UJ Suffix)
OUT A
–IN A
+IN A
V–
18
AD8607
45
V+
OUT B
–IN B
+IN B
Figure 2. 8-Lead MSOP (RM Suffix)
OUT A 1
–IN A 2
+IN A 3
V– 4
AD8607
8 V+
7 OUT B
6 –IN B
5 +IN B
Figure 3. 8-Lead SOIC (R Suffix)
OUT A
–IN A
+IN A
V+
+IN B
–IN B
OUT B
1 14
AD8609
78
OUT D
–IN D
+IN D
V–
+IN C
–IN C
OUT C
Figure 4. 14-Lead TSSOP (RU Suffix)
OUT A 1
–IN A 2
+IN A 3
V+ 4
+IN B 5
–IN B 6
OUT B 7
AD8609
14 OUT D
13 –IN D
12 +IN D
11 V–
10 +IN C
9 –IN C
8 OUT C
Figure 5. 14-Lead SOIC (R Suffix)
Rev. A
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. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.326.8703 © 2003 Analog Devices, Inc. All rights reserved.




AR8609ARU-REEL pdf, 반도체, 판매, 대치품
AD8603/AD8607/AD8609
Table 2. Electrical Characteristics @ VS = 1.8 V, VCM = VS/2, TA = 25°C, unless otherwise noted
Parameter
Symbol Conditions
INPUT CHARACTERISTICS
Offset Voltage
VOS VS = 3.3 V @ VCM = 0.5 V and 2.8 V
–0.3 V < VCM < +1.8 V
–40°C < TA < +85°C, –0.3 V < VCM < +1.8 V
–40°C < TA < +125°C, –0.3 V < VCM < +1.7 V
Offset Voltage Drift
∆VOS/∆T –40°C < TA < +125°C
Input Bias Current
IB
–40°C < TA < +85°C
–40°C < TA < +125°C
Input Offset Current
IOS
–40°C < TA < +85°C
–40°C < TA < +125°C
Input Voltage Range
IVR
Common-Mode Rejection Ratio
CMRR
0 V < VCM < 1.8 V
–40°C < TA < +85°C
Large Signal Voltage Gain
AVO RL = 10 kΩ, 0.5 V <VO < 4.5 V
AD8603
AD8607/AD8609
Input Capacitance
CDIFF
CCM
OUTPUT CHARACTERISTICS
Output Voltage High
VOH IL = 1 mA
–40°C to +125°C
Output Voltage Low
VOL IL = 1 mA
–40°C to +125°C
Output Current
IOUT
Closed-Loop Output Impedance
ZOUT
f = 10 kHz, AV = 1
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
1.8 V < VS < 5 V
Supply Current/Amplifier
ISY VO = 0 V
–40°C < TA < +85°C
DYNAMIC PERFORMANCE
Slew Rate
SR RL = 10 kΩ
Settling Time 0.1%
tS G= ±1, 1 V Step
Gain Bandwidth Product
GBP RL = 100 kΩ
RL = 10 kΩ
Phase Margin
ØO RL = 10 kΩ, RL = 100 kΩ
NOISE PERFORMANCE
Peak-to-Peak Noise
en p-p
0.1 Hz to 10 Hz
Voltage Noise Density
en f = 1 kHz
f = 10 kHz
Current Noise Density
in f = 1 kHz
Channel Separation
Cs f = 10 kHz
f = 100 kHz
Min Typ Max Unit
12
40
1
0.2
0.1
–0.3
80 98
70
50 µV
300 µV
500 µV
700 µV
4.5 µV/°C
1 pA
50 pA
500 pA
0.5 pA
50 pA
250 pA
+1.8 V
dB
dB
150 3000
100 2000
2.1
3.8
V/mV
V/mV
pF
pF
1.65 1.72
1.6
38 60
80
±7
36
V
V
mV
mV
mA
80 100
dB
40 50 µA
60 µA
0.1 V/µs
9.2 µs
385 kHz
316 kHz
70 Degrees
2.3 3.5
25
22
0.05
–115
–110
µV
nV/√Hz
nV/√Hz
pA/√Hz
dB
dB
Rev. A | Page 4 of 16

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AR8609ARU-REEL 전자부품, 판매, 대치품
350
VS = 5V
TA = 25°C
300
250 VDD – VOH @ 10mA LOAD
200
VOL @ 10mA LOAD
150
100
50
0
–40 –25 –10
VDD – VOH @ 1mA LOAD
VOL @ 1mA LOAD
5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Figure 12. Output Voltage Swing vs. Temperature
100
VS = ±2.5V
80 RL = 100k
CL = 20pF
60 φ = 70.9°
40
20
225
180
135
90
45
00
–20 –45
–40 –90
–60 –135
–80 –180
–100
1k
10k 100k 1M
FREQUENCY (Hz)
–225
10M
Figure 13. Open-Loop Gain and Phase vs. Frequency
5.0
4.5
VS = 5V
VIN = 4.9V p-p
4.0
T = 25°C
AV = 1
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.01
0.1 1
FREQUENCY (kHz)
10
100
Figure 14. Closed-Loop Output Voltage Swing vs. Frequency
AD8603/AD8607/AD8609
1925
1750
1575
VS = ±2.5V, ±0.9V
1400
1225
1050
875
A = 100
700
525
350
175
100
A = 10
A=1
1k 10k
FREQUENCY (Hz)
100k
Figure 15. Output Impedance vs. Frequency
140
120 VS = ±2.5V
100
80
60
40
20
0
–20
–40
–60
100
1k 10k
FREQUENCY (Hz)
100k
Figure 16. Common-Mode Rejection Ratio vs. Frequency
140
120 VS = ±2.5V
100
80
60
40
20
0
–20
–40
–60
10
100 1k
FREQUENCY (Hz)
10k
Figure 17. PSRR vs. Frequency
100k
Rev. A | Page 7 of 16

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AR8609ARU-REEL

Precision Micropower Low Noise CMOS Rail-Rail Input/Output Operational Amplifiers

Analog Devices
Analog Devices

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