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AD8651 데이터시트 PDF




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부품번호 AD8651 기능
기능 Low Noise CMOS Amplifiers
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AD8651 데이터시트, 핀배열, 회로
Data Sheet
FEATURES
Bandwidth: 50 MHz at 5 V
Low noise: 4.5 nV/√Hz
Offset voltage: 100 μV typical, specified over
entire common-mode range
Slew rate: 41 V/μs
Rail-to-rail input and output swing
Input bias current: 1 pA
Single-supply operation: 2.7 V to 5.5 V
Space-saving MSOP and SOIC_N packaging
APPLICATIONS
Optical communications
Laser source drivers/controllers
Broadband communications
High speed ADCs and DACs
Microwave link interface
Cell phone PA control
Video line drivers
Audio
50 MHz, Precision, Low Distortion,
Low Noise CMOS Amplifiers
AD8651/AD8652
PIN CONFIGURATIONS
NC 1
–IN 2
+IN 3
V4
AD8651
TOP VIEW
(Not to Scale)
8 NC
7 V+
6 OUT
5 NC
NC = NO CONNECT
Figure 1. 8-Lead MSOP (RM-8)
NC 1
8 NC
–IN 2 AD8651 7 V+
+IN 3 TOP VIEW 6 OUT
V4 (Not to Scale) 5 NC
NC = NO CONNECT
Figure 3. 8-Lead SOIC_N (R-8)
OUT A 1
–IN A 2
+IN A 3
V4
AD8652
TOP VIEW
(Not to Scale)
8 V+
7 OUT B
6 –IN B
5 +IN B
Figure 2. 8-Lead MSOP (RM-8)
OUT A 1
8 V+
–IN A 2 AD8652 7 OUT B
+IN A 3 TOP VIEW 6 –IN B
V4 (Not to Scale) 5 +IN B
Figure 4. 8-Lead SOIC_N (R-8)
GENERAL DESCRIPTION
The AD865x family consists of high precision, low noise, low
distortion, rail-to-rail CMOS operational amplifiers that run
from a single-supply voltage of 2.7 V to 5.5 V.
The AD865x family is made up of rail-to-rail input and output
amplifiers with a gain bandwidth of 50 MHz and a typical
voltage offset of 100 μV across common mode from a 5 V
supply. It also features low noise—4.5 nV/√Hz.
The AD865x family can be used in communications applications,
such as cell phone transmission power control, fiber optic
networking, wireless networking, and video line drivers.
The AD865x family features the newest generation of DigiTrim®
in-package trimming. This new generation measures and corrects
the offset over the entire input common-mode range, providing
less distortion from VOS variation than is typical of other rail-to-
rail amplifiers. Offset voltage and CMRR are both specified and
guaranteed over the entire common-mode range as well as over
the extended industrial temperature range.
The AD865x family is offered in the narrow 8-lead SOIC
package and the 8-lead MSOP package. The amplifiers are
specified over the extended industrial temperature range
(−40°C to +125°C).
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 ©2006–2014 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com




AD8651 pdf, 반도체, 판매, 대치품
AD8651/AD8652
V+ = 5 V, V= 0 V, VCM = V+/2, TA = 25°C, unless otherwise specified.
Table 2.
Parameter
Symbol
Conditions
INPUT CHARACTERISTICS
Offset Voltage
AD8651
AD8652
Offset Voltage Drift
Input Bias Current
Input Offset Current
Input Voltage Range
Common-Mode Rejection Ratio
AD8651
AD8652
Large Signal Voltage Gain
OUTPUT CHARACTERISTICS
Output Voltage High
Output Voltage Low
Short-Circuit Limit
Output Current
POWER SUPPLY
Power Supply Rejection Ratio
Supply Current
AD8651
AD8652
INPUT CAPACITANCE
Differential
Common Mode
DYNAMIC PERFORMANCE
Slew Rate
Gain Bandwidth Product
Settling Time, 0.01%
Overload Recovery Time
Total Harmonic Distortion + Noise
NOISE PERFORMANCE
Voltage Noise Density
Current Noise Density
VOS
TCVOS
IB
IOS
VCM
CMRR
AVO
VOH
VOL
ISC
IO
PSRR
ISY
CIN
0 V ≤ VCM ≤ 5 V
–40°C ≤ TA ≤ +85°C, 0 V ≤ VCM ≤ 5 V
–40°C ≤ TA ≤ +125°C, 0 V ≤ VCM ≤ 5 V
0 V ≤ VCM ≤ 5 V
–40°C ≤ TA ≤ +125°C, 0 V ≤ VCM ≤ 5 V
–40°C ≤ TA ≤ +85°C
–40°C ≤ TA ≤ +125°C
–40°C ≤ TA ≤ +85°C
–40°C ≤ TA ≤ +125°C
0.1 V < VCM < 5.1 V
–40°C ≤ TA ≤ +85°C, 0.1 V < VCM < 5.1 V
–40°C ≤ TA ≤ +125°C, 0.1 V < VCM < 5.1 V
0.1 V < VCM < 5.1 V
–40°C ≤ TA ≤ +125°C, 0.1 V < VCM < 5.1 V
RL = 1 kΩ, 200 mV < VO < 4.8 V
RL = 1 kΩ, 200 mV < VO < 4.8 V, TA = 85°C
RL = 1 kΩ, 200 mV < VO < 4.8 V, TA = 125°C
IL = 250 µA, –40°C ≤ TA ≤ +125°C
IL = 250 µA, –40°C ≤ TA ≤ +125°C
Sourcing
Sinking
VS = 2.7 V to 5.5 V, VCM = 0 V
–40°C ≤ TA ≤ +125°C
IO = 0
–40°C ≤ TA ≤ +125°C
IO = 0
–40°C ≤ TA ≤ +125°C
SR
GBP
THD + N
en
in
G = 1, RL = 10 kΩ
G=1
G = ±1, 2 V step
VIN × G = 1.2 V+
G = 1, RL = 600 Ω, f = 1 kHz, VIN = 2 V p-p
f = 10 kHz
f = 100 kHz
f = 10 kHz
Data Sheet
Min Typ
Max Unit
100
90
0.4
4
1
1
–0.1
350 μV
1.4 mV
1.7 mV
300 μV
1.4 mV
μV/°C
10 pA
30 pA
600 pA
10 pA
30 pA
600 pA
+5.1 V
80 95
75 94
70 90
84 100
76 95
100 115
98 114
95 111
dB
dB
dB
dB
dB
dB
dB
dB
4.97
80
80
40
V
30 mV
mA
mA
mA
76 94
74 93
dB
dB
9.5 14.0 mA
15 mA
17.5 20.0 mA
23.5 mA
6 pF
9 pF
41
50
0.2
0.1
0.0006
V/µs
MHz
μs
μs
%
5 nV/√Hz
4.5 nV/√Hz
4 fA/√Hz
Rev. D | Page 4 of 20

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AD8651 전자부품, 판매, 대치품
Data Sheet
12
VS = ±2.5V
11
10
9
8
7
6
–50 0
50 100 150
TEMPERATURE (°C)
Figure 11. Supply Current vs. Temperature
500
VS = ±2.5V
400
300
VOH
200
VOL
100
0
0 20 40 60 80 100
CURRENT LOAD (mA)
Figure 12. Output Voltage to Supply Rail vs. Load Current
4.997
4.996
VS = 5V
IL = 250µA
4.995
4.994
4.993
4.992
4.991
4.990
–50
0 50 100
TEMPERATURE (°C)
150
Figure 13. Output Voltage Swing High vs. Temperature
AD8651/AD8652
2.50
VS = 5V
IL = 250µA
2.00
1.50
1.00
0.50
0
–50 0
50 100 150
TEMPERATURE (°C)
Figure 14. Output Voltage Swing Low vs. Temperature
100
VS = ±2.5V
80
60
40
20
0
10
110
100 1k 10k 100k
FREQUENCY (Hz)
Figure 15. CMRR vs. Frequency
1M
10M
VS = ±2.5V
105
100
95
90
–50
0 50 100
TEMPERATURE (°C)
Figure 16. CMRR vs. Temperature
150
Rev. D | Page 7 of 20

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