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PDF ADA4622-2 Data sheet ( Hoja de datos )
| Número de pieza | ADA4622-2 | |
| Descripción | Precision Op Amp | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Data Sheet
30 V, 7.5 MHz, Low Bias Current,
Single-Supply, RRO, Precision Op Amp
ADA4622-2
FEATURES
Next generation of the AD822
Wide bandwidth: 8 MHz typical
High slew rate: +23 V/µs/−18 V/µs typical
Low input bias current: ±10 pA maximum at TA = 25°C
Low offset voltage
A grade: ±0.8 mV maximum at TA = 25°C
B grade: ±0.35 mV maximum at TA = 25°C
Low offset voltage drift
A grade: ±2 µV/°C typical, ±15 µV/°C maximum
B grade: ±2 µV/°C typical, ±5 µV/°C maximum
Input voltage range includes V− pin
Rail-to-rail output
Input electromagnetic interference (EMI) filters
90 dB typical at f = 1000 MHz and f = 2400 MHz
Industry-standard package and pinouts
APPLICATIONS
High output impedance sensor interfaces
Photodiode sensor interfaces
Transimpedance amplifiers
ADC drivers
Precision filters and signal conditioning
GENERAL DESCRIPTION
The ADA4622-2 is the next generation of the AD822 single-
supply, rail-to-rail output (RRO), precision JFET input op amp.
The ADA4622-2 includes many improvements that make it
desirable as an upgrade without compromising the flexibility
and ease of use that makes the AD822 useful for a wide variety
of applications.
The input voltage range includes the negative supply and the
output swings rail-to-rail. Input EMI filters are added to
increase the signal robustness in the face of closely located
switching noise sources.
The speed in terms of bandwidth and slew rate is increased
along with a strong output drive to improve settling time
performance and enable the device to drive the inputs of
modern single-ended successive approximation register analog-
to-digital converters (SAR ADCs).
PIN CONFIGURATION
OUT A 1
–IN A 2
+IN A 3
V– 4
ADA4622-2
TOP VIEW
(Not to Scale)
8 V+
7 OUT B
6 –IN B
5 +IN B
Figure 1. 8-Lead, SOIC_N (R Suffix) and 8-Lead, MSOP (RM Suffix)
Pin Configuration
Voltage noise is reduced, both broadband by 25% and 1/f by
half, while holding the supply current constant. DC precision is
improved over the AD822 with half the offset and a maximum
thermal drift specification is added to the ADA4622-2. The
common-mode rejection ratio is improved over the AD822 to
make the ADA4622-2 more suitable than the AD822 when used
in noninverting gain and difference amplifier configurations.
The ADA4622-2 is specified for operation over the extended
industrial temperature range of −40°C to +125°C and operates
from 5 V to 30 V with specifications at +5 V, ±5 V, and ±15 V.
The ADA4622-2 is available in 8-lead SOIC and 8-lead MSOP
packages.
Rev. 0
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor 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
©2015 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
1 page  
Data Sheet
ELECTRICAL CHARACTERISTICS, VSY = ±5 V
VSY = ±5 V, VCM = VOUT = 0 V, TA = 25°C, unless otherwise noted.
Table 2.
Parameter
INPUT CHARACTERISTICS
Offset Voltage
A Grade
B Grade
Offset Voltage Match
Offset Voltage Drift
A Grade
B Grade
Input Bias Current
Input Offset Current
Input Voltage Range
Common-Mode Rejection Ratio
A Grade
B Grade
Large Signal Voltage Gain
Input Capacitance
Input Resistance
OUTPUT CHARACTERISTICS
Output Voltage
High
Low
Output Current
Short-Circuit Current
Closed-Loop Output Impedance
Symbol Test Conditions/Comments
VOS
−40°C < TA < +125°C
−40°C < TA < +125°C
ΔVOS/ΔT
IB
IOS
IVR
CMRR
AVO
CINDM
CINCM
RDIFF
RCM
−40°C < TA < +125°C
−40°C < TA < +125°C
−40°C < TA < +125°C
VCM = V−
−40°C < TA < +125°C
VCM = V− to (V+) − 3 V
−40°C < TA < +125°C
VCM = V− to (V+) − 3 V
−40°C < TA < +125°C
RL = 10 kΩ, VOUT = −4.4 V to +4.4 V
−40°C < TA < +125°C
RL = 1 kΩ, VOUT = −4.4 V to +4.4 V
−40°C < TA < +125°C
Differential mode
Common mode
Differential mode
Common mode
VOH ISOURCE = 1 mA
−40°C < TA < +125°C
ISOURCE = 15 mA
−40°C < TA < +125°C
VOL ISINK = 1 mA
−40°C < TA < +125°C
ISINK = 15 mA
−40°C < TA < +125°C
IOUT VDROPOUT < 1 V
ISC Sourcing
Sinking
ZOUT f = 1 kHz, AV = +1
AV = +10
AV = +100
Min Typ
0.04
0.04
±2
±2
2
−5
(V−) − 0.2
75 91
73
78 91
75
113 118
105
100 105
91
0.4
3.6
1013
1013
50 30
100
700 490
900
45
315
20
31
−40
0.1
0.4
4
ADA4622-2
Max Unit
±0.8
±2
±0.35
±0.8
±1
mV
mV
mV
mV
mV
±15
±5
±10
±1.5
±10
±0.5
(V+) − 1
µV/°C
µV/°C
pA
nA
pA
pA
nA
V
dB
dB
dB
dB
dB
dB
dB
dB
pF
pF
Ω
Ω
mV
mV
mV
mV
65 mV
120 mV
450 mV
750 mV
mA
mA
mA
Ω
Ω
Ω
Rev. 0 | Page 5 of 28
5 Page 
Data Sheet
1000
VSY = ±5V
500
0
–500
–1000
–5 –4 –3 –2 –1 0 1 2 3 4 5
VCM (V)
Figure 8. Input Offset Voltage (VOS) vs. Common-Mode Voltage (VCM), VSY = ±5 V
1000
VSY = 5V
500
0
–500
–1000
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
VCM (V)
Figure 9. Input Offset Voltage (VOS) vs. Common-Mode Voltage (VCM), VSY = 5 V
160
140 VCM = 0V
VOUT = 0V
120
100
80
60
40
20
0
–3 –2 –1 0 1 2 3
IB (pA)
Figure 10. Input Bias Current Distribution, VSY = ±15 V
ADA4622-2
160
140 VCM = 0V
VOUT = 0V
120
100
80
60
40
20
0
–3 –2 –1 0 1 2 3
IB (pA)
Figure 11. Input Bias Current Distribution, VSY = ±5 V
120
VCM = 0V
100 VOUT = 2.5V
80
60
40
20
0
–3 –2 –1 0 1 2 3
IB (pA)
Figure 12. Input Bias Current Distribution, VSY = 5 V
10
VSY = ±15V
0
–10
–20
–30
–15
–10
–5 0 5
VCM (V)
10 15
Figure 13. Input Bias Current (IB) vs. Input Common-Mode Voltage (VCM),
VSY = ±15 V
Rev. 0 | Page 11 of 28
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet ADA4622-2.PDF ] | |
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