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AD8591 데이터시트 PDF




Analog Devices에서 제조한 전자 부품 AD8591은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 AD8591 기능
기능 Rail-to-Rail Input/Output Operational Amplifiers
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로고 Analog Devices 로고


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AD8591 데이터시트, 핀배열, 회로
CMOS Single-Supply, Rail-to-Rail Input/Output
Operational Amplifiers with Shutdown
AD8591/AD8592/AD8594
FEATURES
Single-supply operation: 2.5 V to 6 V
High output current: ±250 mA
Extremely low shutdown supply current: 100 nA
Low supply current: 750 μA/Amp
Wide bandwidth: 3 MHz
Slew rate: 5 V/μs
No phase reversal
Very low input bias current
High impedance outputs when in shutdown mode
Unity-gain stable
APPLICATIONS
Mobile communication handset audio
PC audio
PCMCIA/modem line driving
Battery-powered instrumentation
Data acquisition
ASIC input or output amplifiers
LCD display reference level drivers
GENERAL DESCRIPTION
The AD8591, AD8592, and AD8594 are single, dual, and quad
rail-to-rail, input and output single-supply amplifiers featuring
250 mA output drive current and a power saving shutdown mode.
The AD8592 includes an independent shutdown function for
each amplifier. When both amplifiers are in shutdown mode,
the total supply current is reduced to less than 1 μA. The AD8591
and AD8594 include a single master shutdown function that
reduces the total supply current to less than 1 μA. All amplifier
outputs are in a high impedance state when in shutdown mode.
These amplifiers have very low input bias currents, making them
suitable for integrators and diode amplification. Outputs are stable
with virtually any capacitive load. Supply current is less than
750 μA per amplifier in active mode.
Applications for these amplifiers include audio amplification for
portable computers, portable phone headsets, sound ports, sound
cards, and set-top boxes. The AD859x family is capable of driving
heavy capacitive loads, such as LCD panel reference levels.
The ability to swing rail to rail at both the input and output enables
designers to buffer CMOS DACs, ASICs, and other wide output
swing devices in single-supply systems.
PIN CONFIGURATIONS
OUT A 1
6 V+
AD8591
V– 2 TOP VIEW 5 SD
(Not to Scale)
+IN A 3
4 –IN A
Figure 1. 6-Lead SOT-23 (RJ Suffix)
OUT A 1
–IN A 2
+IN A 3
V– 4
SDA 5
10 V+
AD8592
TOP VIEW
(Not to Scale)
9 OUT B
8 –IN B
7 +IN B
6 SDB
Figure 2. 10-Lead MSOP (RM Suffix)
OUT A 1
16 OUT D
–IN A 2
15 –IN D
+IN A 3 AD8594 14 +IN D
V+ 4 TOP VIEW 13 V–
+IN B 5 (Not to Scale) 12 +IN C
–IN B 6
11 –IN C
OUT B 7
10 OUT C
NC 8
9 SD
NC = NO CONNECT
Figure 3. 16-Lead Narrow SOIC (R Suffix)
OUT A 1
–IN A 2
+IN A 3
V+ 4
+IN B 5
–IN B 6
OUT B 7
NC 8
16 OUT D
15 –IN D
AD8594
TOP VIEW
(Not to Scale)
14 +IN D
13 V–
12 +IN C
11 –IN C
10 OUT C
9 SD
NC = NO CONNECT
Figure 4. 16-Lead TSSOP (RU Suffix)
The AD8591, AD8592, and AD8594 are specified over the
industrial temperature range (−40°C to +85°C). The AD8591,
single, is available in the tiny 6-lead SOT-23 package. The AD8592,
dual, is available in the 10-lead surface-mount MSOP package. The
AD8594, quad, is available in 16-lead narrow SOIC and 16-lead
TSSOP packages.
Rev. B
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
www.analog.com
Fax: 781.461.3113
©2009 Analog Devices, Inc. All rights reserved.




AD8591 pdf, 반도체, 판매, 대치품
AD8591/AD8592/AD8594
VS = 5.0 V, VCM = 2.5 V, 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
Bias Current Drift
Offset Current Drift
OUTPUT CHARACTERISTICS
Output Voltage High
Output Voltage Low
Output Current
Open-Loop Impedance
POWER SUPPLY
Power Supply Rejection Ratio
Supply Current per Amplifier
Supply Current Shutdown Mode
SHUTDOWN INPUTS
Logic High Voltage
Logic Low Voltage
Logic Input Current
DYNAMIC PERFORMANCE
Slew Rate
Full Power Bandwidth
Settling Time
Gain Bandwidth Product
Phase Margin
Channel Separation
NOISE PERFORMANCE
Voltage Noise Density
Current Noise Density
Symbol
VOS
IB
IOS
CMRR
AVO
ΔVOS/ΔT
ΔIB/ΔT
ΔIOS/ΔT
VOH
VOL
IOUT
ZOUT
PSRR
ISY
ISD
ISD1
ISD2
VINH
VINL
IIN
SR
BWP
tS
GBP
Φo
CS
en
in
Test Conditions
−40°C < TA < +85°C
−40°C < TA < +85°C
−40°C < TA < +85°C
VCM = 0 V to 5 V
RL = 2 kΩ, VO = 0.5 V to 4.5 V
−40°C < TA < +85°C
−40°C < TA < +85°C
−40°C < TA < +85°C
IL = 10 mA
−40°C to +85°C
IL = 10 mA
−40°C to +85°C
f = 1 MHz, AV = 1
VS = 2.5 V to 6 V
VO = 0 V
−40°C < TA < +85°C
All amplifiers shut down
−40°C < TA < +85°C
Amplifier 1 shut down (AD8592)
Amplifier 2 shut down (AD8592)
−40°C < TA < +85°C
−40°C < TA < +85°C
−40°C < TA < +85°C
RL = 2 kΩ
1% distortion
To 0.01%
f = 1 kHz, RL = 10 kΩ
f = 1 kHz
f = 10 kHz
f = 1 kHz
Min Typ Max Unit
2
5
1
0
38 47
15 30
20
50
20
25 mV
30 mV
50 pA
60 pA
25 pA
30 pA
5V
dB
V/mV
μV/°C
fA/°C
fA/°C
4.9 4.94
4.85
50 100
125
±250
40
V
V
mV
mV
mA
Ω
45 55
0.1
dB
1.25 mA
1.75 mA
1 μA
1 μA
1.6 mA
1.6 mA
2.4 V
0.8 V
1 μA
5 V/μs
325 kHz
1.6 μs
3 MHz
70 Degrees
65 dB
45 nV/√Hz
30 nV/√Hz
0.05 pA/√Hz
Rev. B | Page 4 of 16

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AD8591 전자부품, 판매, 대치품
4
VVSCM=
2.7V, 5V
= VS/2
3
2
1
0
–1
–2
–50 –35 –15
5
25 45
TEMPERATURE (°C)
65
Figure 11. Input Offset Current vs. Temperature
85
8
TVAS
=
=
5V
25°C
7
6
5
4
3
2
1
012345
COMMON-MODE VOLTAGE (V)
Figure 12. Input Bias Current vs. Common-Mode Voltage
80
60
VRTASL
=
=
=
2.7V
NO LOAD
25°C
45
40 90
20 135
0 180
1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
Figure 13. Open-Loop Gain and Phase vs. Frequency
AD8591/AD8592/AD8594
80
60
VRTASL
=
=
=
5V
NO LOAD
25°C
45
40 90
20 135
0 180
1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
Figure 14. Open-Loop Gain and Phase vs. Frequency
5
VRTASL
=
=
=
2.7V
2k
25°C
4 VIN = 2.5V p-p
3
2
1
0
1k 10k 100k 1M 10M
FREQUENCY (Hz)
Figure 15. Closed-Loop Output Voltage Swing vs. Frequency
5
VRTASL
=
=
=
5V
2k
25°C
4 VIN = 2.5V p-p
3
2
1
0
1k 10k 100k 1M 10M
FREQUENCY (Hz)
Figure 16. Closed-Loop Output Voltage Swing vs. Frequency
Rev. B | Page 7 of 16

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