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PDF AD8539 Data sheet ( Hoja de datos )
| Número de pieza | AD8539 | |
| Descripción | Precision Auto-Zero Op Amp | |
| Fabricantes | Analog Devices | |
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Data Sheet
Low Power, Precision, Auto-Zero Op Amps
AD8538/AD8539
FEATURES
Low offset voltage: 13 µV maximum
Input offset drift: 0.03 µV/°C
Single-supply operation: 2.7 V to 5.5 V
High gain, CMRR, and PSRR
Low input bias current: 25 pA
Low supply current: 180 µA
Qualified for automotive applications
APPLICATIONS
Mobile communications
Portable instrumentation
Battery-powered devices
Sensor interfaces
Temperature measurement
Electronic scales
GENERAL DESCRIPTION
The AD8538/AD8539 are very high precision amplifiers featuring
extremely low offset voltage, low input bias current, and low power
consumption. The supply current is less than 215 μA maximum
per amplifier at 5.0 V. Operation is fully specified from 2.7 V to
5.0 V single supply (±1.35 V to ±2.5 V dual supply).
The AD8538/AD8539 operate at very low power making these
amplifiers ideal for battery-powered devices and portable
equipment.
The AD8538/AD8539 are specified over the extended industrial
temperature range (−40°C to +125°C). The AD8538 amplifier is
available in 5-lead TSOT-23, and 8-lead, narrow body SOIC
packages, and the AD8539 amplifier is available in 8-lead, narrow
body SOIC and 8-lead MSOP. See the Ordering Guide for the
automotive part.
PIN CONFIGURATIONS
OUT 1
5 V+
AD8538
V– 2
TOP VIEW
(Not to Scale)
+IN 3
4 –IN
Figure 1. 5-Lead TSOT-23 (UJ-5)
NC 1
−IN 2 AD8538
8 NC
7 V+
+IN 3 TOP VIEW 6 OUT
V− 4 (Not to Scale) 5 NC
NC = NO CONNECT
Figure 2. 8-Lead SOIC_N (R-8)
OUT A 1
8 V+
–IN A 2 AD8539 7 OUT B
+IN A 3 TOP VIEW 6 –IN B
V– 4 (Not to Scale) 5 +IN B
Figure 3. 8-Lead SOIC_N (R-8)
OUT A 1
–IN A 2
+IN A 3
V– 4
AD8539
TOP VIEW
(Not to Scale)
8 V+
7 OUT B
6 –IN B
5 +IN B
Figure 4. 8-Lead MSOP (RM-8)
Rev. B
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 ©2005–2013 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
1 page  
Data Sheet
AD8539 ELECTRICAL SPECIFICATIONS
@ VS = 5.0 V, VCM = 2.5 V, VO = 2.5 V, TA = 25°C, unless otherwise specified.
Table 3.
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 Low
Short-Circuit Limit
POWER SUPPLY
Power Supply Rejection Ratio
Supply Current/Amplifier
DYNAMIC PERFORMANCE
Slew Rate
Settling Time 0.01%
Overload Recovery Time
Gain Bandwidth Product
Phase Margin
NOISE PERFORMANCE
Voltage Noise
Voltage Noise Density
Symbol Conditions
VOS
−40°C ≤ TA ≤ +125°C
IB
−40°C ≤ TA ≤ +85°C
−40°C ≤ TA ≤ +125°C
IOS
−40°C ≤ TA ≤ +125°C
CMRR
AVO
∆VOS/∆T
−40°C ≤ TA ≤ +125°C
VCM = 0 V to 5 V
−40°C ≤ TA ≤ +125°C, VCM = 0.2 V to 4.8 V
RL = 10 kΩ, VO = 0.1 V to 4.9 V
−40°C ≤ TA ≤ +125°C
−40°C ≤ TA ≤ +125°C
VOH RL = 100 kΩ to ground
−40°C ≤ TA ≤ +125°C, RL = 100 kΩ to ground
RL = 10 kΩ to ground
−40°C ≤ TA ≤ +125°C, RL = 10 kΩ to ground
VOL RL = 100 kΩ to V+
−40°C ≤ TA ≤ +125°C, RL = 100 kΩ to V+
RL = 10 kΩ to V+
−40°C ≤ TA ≤ +125°C, RL = 10 kΩ to V+
ISC
PSRR
ISY
VS = 2.7 V to 5.0 V
−40°C ≤ TA ≤ +125°C
IO = 0
−40°C ≤ TA ≤ +125°C
SR RL =10 kΩ
tS G = ±1, 2 V step, CL = 20 pF, RL = 1 kΩ
GBP
ØM RL = 10 kΩ, RL = 100 kΩ, CL = 20 pF
en p-p
en
f = 0.1 Hz to 10 Hz
f = 1 kHz
AD8538/AD8539
Min Typ Max Unit
5
15
35
0.7
20
0
0.2
115 135
100 130
110 130
110 125
0.03
15 µV
30 µV
60 pA
125 pA
1.0 nA
70 pA
400 pA
5V
4.8 V
dB
dB
dB
dB
0.1 µV/°C
4.99 4.994
4.98
4.95 4.97
4.94
57
68
20 25
24 30
±25
V
V
V
V
mV
mV
mV
mV
mA
105 125
100 125
170
dB
dB
210 µA
225 µA
0.4 V/µs
10 μs
0.05 ms
430 kHz
65 Degrees
1.2 µV p-p
52 nV/√Hz
Rev. B | Page 5 of 24
5 Page 
Data Sheet
1000
VSY = 5V
TA = 25°C
100
10
10 100 1k 10k
FREQUENCY (Hz)
Figure 23. AD8538 Voltage Noise Density
VSY = 5V AND 2.7V
VIN
VOUT
AD8538/AD8539
VSY = 5V
AV = 1
VIN = 6V p-p
RL = 10kΩ
TIME (200µs/DIV)
Figure 25. AD8538 No Phase Reversal
TIME (1s/DIV)
Figure 24. AD8538 0.1 Hz to 10 Hz Input Voltage Noise
Rev. B | Page 11 of 24
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet AD8539.PDF ] | |
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