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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
AD8517/AD8527
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2000
7 MHz Rail-to-Rail
Low Voltage Operational Amplifiers
PIN CONFIGURATIONS
5-Lead SOT-23
(RT Suffix)
1
2
3
5
4 IN A
+IN A
V+
OUT A
AD8517
V
8-Lead SOIC
(R Suffix)
OUT A
IN A
+IN A
OUT B
IN B
+IN B
1
8
2
7
3
6
4
5
V+
V
AD8527
8-Lead MSOP
(RM Suffix)
IN A
+IN A
V
OUT B
IN B
+IN B
1
4
5
8
AD8527
OUT A
V+
FEATURES
Single Supply Operation: 1.8 V to 6 V
Space-Saving SOT-23, SOIC Packaging
Wide Bandwidth: 7 MHz @ 5 V
Low Offset Voltage: 3.5 mV Max
Rail-to-Rail Output Swing and Rail-to-Rail Input
8 V/ s Slew Rate
Only 900 A Supply Current @ 5 V
APPLICATIONS
Portable Communications
Portable Phones
Sensor Interface
Active Filters
PCMCIA Cards
ASIC Input Drivers
Wearable Computers
Battery-Powered Devices
New Generation Phones
Personal Digital Assistants
GENERAL DESCRIPTION
The AD8517 brings precision and bandwidth to the SOT-23-5
package even at single supply voltages as low as 1.8 V. The
small package makes it possible to place the AD8517 next to
sensors, reducing external noise pickup. The AD8527 dual
amplifier is offered in the space-saving MSOP package.
The AD8517 and AD8527 are rail-to-rail input and output
bipolar amplifiers with a gain bandwidth of 7 MHz and typical
voltage offset of 1.3 mV from a 1.8 V supply. The low supply
current makes these parts ideal for battery-powered applications.
The 8 V/
µs slew rate makes the AD8517/AD8527 a good match
for driving ASIC inputs, such as voice codecs.
The AD8517/AD8527 is specified over the extended industrial
(40
°C to +125°C) temperature range. The AD8517 single is
available in 5-lead SOT-23 surface-mount packages. The dual
AD8527 is available in 8-lead SOIC and MSOP packages.
2
REV. B
AD8517/AD8527SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
AD8517ART (SOT-23-5)
V
OS
1.3
3.5
mV
40
°C T
A
+125°C
5
mV
AD8527
V
OS
1.3
3.5
mV
40
°C T
A
+125°C
5
mV
Input Bias Current
I
B
450
nA
40
°C T
A
+125°C
900
nA
Input Offset Current
I
OS
±225
nA
40
°C T
A
+125°C
±750
nA
Input Voltage Range
V
CM
0
5
V
Common-Mode Rejection Ratio
CMRR
0 V
V
CM
5.0 V,
40
°C T
A
+125°C
60
70
dB
Large Signal Voltage Gain
A
VO
R
L
= 2 k
, 0.5 V < V
OUT
< 4.5 V
20
V/mV
R
L
= 10 k
, 0.5 V < V
OUT
< 4.5 V
50
100
V/mV
R
L
= 10 k
, 40°C T
A
+125°C
30
V/mV
Offset Voltage Drift
V
OS
/
T
2
µV/°C
Bias Current Drift
I
B
/
T
500
pA/
°C
OUTPUT CHARACTERISTICS
Output Voltage Swing High
V
OH
I
L
= 250
µA,
40
°C T
A
+125°C
4.965
V
I
L
= 5 mA
4.70
V
Output Voltage Swing Low
V
OL
I
L
= 250
µA,
40
°C T
A
+125°C
35
mV
I
L
= 5 mA
200
mV
Short Circuit Current
I
SC
Short to Ground, Instantaneous
±10
mA
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
V
S
= 2.2 V to 6 V
90
dB
40
°C T
A
+125°C
65
dB
Supply Current/Amplifier
I
SY
V
OUT
= 2.5 V
900
1,200
µA
40
°C T
A
+125°C
1,400
µA
DYNAMIC PERFORMANCE
Slew Rate
SR
1 V < V
OUT
< 4 V, R
L
= 10 k
8
V/
µs
Gain Bandwidth Product
GBP
7
MHz
Settling Time
T
S
4 V Step, 0.1%
400
ns
Phase Margin
m
50
Degrees
NOISE PERFORMANCE
Voltage Noise
e
n
p-p
0.1 Hz to 10 Hz
0.5
µV p-p
Voltage Noise Density
e
n
f = 1 kHz
15
nV/
Hz
Current Noise Density
i
n
f = 1 kHz
1.2
pA/
Hz
Specifications subject to change without notice.
(V
S
= 5.0 V, V = 0 V, V
CM
= 2.5 V, T
A
= 25 C unless otherwise noted)
3
REV. B
AD8517/AD8527
ELECTRICAL CHARACTERISTICS
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
AD8517ART (SOT-23-5)
V
OS
1.3
3.5
mV
40
°C T
A
+125°C
5
mV
AD8527
V
OS
1.3
3.5
mV
40
°C T
A
+125°C
5
mV
Input Bias Current
I
B
450
nA
Input Offset Current
I
OS
±225
nA
Input Voltage Range
V
CM
0
2.2
V
Common-Mode Rejection Ratio
CMRR
0 V
V
CM
2.2 V,
40
°C T
A
+125°C
55
70
dB
Large Signal Voltage Gain
A
VO
R
L
= 2 k
, 0.5 V < V
OUT
< 1.7 V
20
V/mV
R
L
= 10 k
20
50
V/mV
OUTPUT CHARACTERISTICS
Output Voltage Swing High
V
OH
I
L
= 250
µA
2.165
V
I
L
= 2.5 mA
1.9
V
Output Voltage Swing Low
V
OL
I
L
= 250
µA
35
mV
I
L
= 2.5 mA
200
mV
POWER SUPPLY
Supply Current/Amplifier
I
SY
V
OUT
= 1.1 V
750
1,100
µA
40
°C T
A
+125°C
1,300
µA
DYNAMIC PERFORMANCE
Slew Rate
SR
R
L
= 10 k
8
V/
µs
Gain Bandwidth Product
GBP
7
MHz
Phase Margin
m
50
Degrees
NOISE PERFORMANCE
Voltage Noise Density
e
n
f = 1 kHz
15
nV/
Hz
Current Noise Density
i
n
f = 1 kHz
1.2
pA/
Hz
Specifications subject to change without notice.
(V
S
= 2.2 V, V = 0 V, V
CM
= 1.1 V, T
A
= 25 C unless otherwise noted)
4
REV. B
AD8517/AD8527SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
AD8517ART (SOT-23-5)
V
OS
1.3
3.5
mV
0
°C T
A
125°C
5
mV
AD8527
V
OS
1.3
3.5
mV
0
°C T
A
125°C
5
mV
Input Bias Current
I
B
450
nA
Input Offset Current
I
OS
±225
nA
Input Voltage Range
V
CM
0
1.8
V
Common-Mode Rejection Ratio
CMRR
0 V
V
CM
1.8 V,
0
°C T
A
125°C
50
70
dB
Large Signal Voltage Gain
A
VO
R
L
= 2 k
, 0.5 V < V
OUT
< 1.3 V
20
V/mV
R
L
= 10 k
20
50
V/mV
OUTPUT CHARACTERISTICS
Output Voltage Swing High
V
OH
I
L
= 250
µA
1.765
V
I
L
= 2.5 mA
1.5
V
Output Voltage Swing Low
V
OL
I
L
= 250
µA
35
mV
I
L
= 2.5 mA
200
mV
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
V
S
= 1.7 V to 2.2 V,
0
°C T
A
125°C
50
65
dB
Supply Current/Amplifier
I
SY
V
OUT
= 0.9 V
650
1,100
µA
0
°C T
A
125°C
1,300
µA
DYNAMIC PERFORMANCE
Slew Rate
SR
R
L
= 10 k
7
V/
µs
Gain Bandwidth Product
GBP
7
MHz
Phase Margin
m
50
Degrees
NOISE PERFORMANCE
Voltage Noise Density
e
n
f = 1 kHz
15
nV/
Hz
Current Noise Density
i
n
f = 1 kHz
1.2
pA/
Hz
Specifications subject to change without notice.
(V
S
= 1.8 V, V = 0 V, V
CM
= 0.9 V, T
A
= 25 C unless otherwise noted)
AD8517/AD8527
5
REV. B
ABSOLUTE MAXIMUM RATINGS
1
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 V
Input Voltage
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . GND to V
S
Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . .
±0.6 V
Internal Power Dissipation
SOT-23 (RT) . . . . . . . . . . . . See Thermal Resistance Chart
SOIC (R) . . . . . . . . . . . . . . . See Thermal Resistance Chart
µSOIC (RM) . . . . . . . . . . . . See Thermal Resistance Chart
Output Short-Circuit Duration
. . . . . . . . . . . . . . . . . . . . . . . . Indefinite for T
A
< +40
°C
Storage Temperature Range
R, RM and RT Packages . . . . . . . . . . . . . 65
°C to +150°C
Operating Temperature Range
AD8517, AD8527 . . . . . . . . . . . . . . . . . . 40
°C to +125°C
Junction Temperature Range
R, RM and RT Packages . . . . . . . . . . . . . 65
°C to +150°C
Lead Temperature Range (Soldering, 60 sec) . . . . . . . 300
°C
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD8517/AD8527 features proprietary ESD protection circuitry, permanent dam-
age may occur on devices subjected to high-energy electrostatic discharges. Therefore, proper
ESD precautions are recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
INPUT OFFSET VOLTAGE mV
120
90
0
4
4
3
QUANTITY OF AMPLIFIERS
2
1
0
1
2
3
60
30
V
S
= 5V
V
CM
= 2.5V
T
A
= 25 C
COUNT = 935 OP AMPS
Figure 1. Input Offset Voltage Distribution
SUPPLY VOLTAGE V
950
900
600
1
6
2
SUPPLY CURRENT
A
3
4
5
800
750
700
650
850
Figure 2. Supply Current per Amplifier vs. Supply Voltage
ORDERING GUIDE
Temperature
Package
Package
Branding
Model
Range
Description
Option
Information
AD8517ART-REEL
40
°C to +125°C
5-Lead SOT-23
RT-5
ADA
AD8527AR
40
°C to +125°C
8-Lead SOIC
SO-8
AD8527ARM-REEL
40
°C to +125°C
8-Lead
µSOIC
RM-8
AFA
NOTES
1
Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those listed in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
2
For supply voltages less than 6 V the input voltage is limited to less than or equal
to the supply voltage.
Package Type
JA
1
JC
Unit
5-Lead SOT-23 (RT)
230
146
°C/W
8-Lead SOIC (R)
158
43
°C/W
8-Lead
µSOIC (RM)
210
45
°C/W
NOTE
1
JA
is specified for worst-case conditions, i.e.,
JA
is specified for device soldered
in circuit board for SOT-23 and SOIC packages.
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