AD8616 Analog Devices, AD8616 Datasheet

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AD8616

Manufacturer Part Number
AD8616
Description
Precision 20 MHz CMOS Dual Rail-to-Rail Operational Amplifier
Manufacturer
Analog Devices
Datasheet

Specifications of AD8616

-3db Bandwidth
24MHz
Slew Rate
12V/µs
Vos
23µV
Ib
0.2pA
# Opamps Per Pkg
2
Input Noise (nv/rthz)
6nV/rtHz
Vcc-vee
2.7V to 6V
Isy Per Amplifier
2mA
Packages
SOIC,SOP

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FEATURES
Low offset voltage: 65 μV maximum
Single-supply operation: 2.7 V to 5.0 V
Low noise: 8 nV/√Hz
Wide bandwidth: >20 MHz
Slew rate: 12 V/μs
High output current: 150 mA
No phase reversal
Low input bias current: 1 pA
Low supply current: 2 mA
Unity-gain stable
APPLICATIONS
Barcode scanners
Battery-powered instrumentation
Multipole filters
Sensors
ASIC input or output amplifiers
Audio
Photodiode amplification
GENERAL DESCRIPTION
The AD8615/AD8616/AD8618 are single/dual/quad, rail-to-
rail, input and output, single-supply amplifiers featuring very
low offset voltage, wide signal bandwidth, and low input voltage
and current noise. The parts use a patented trimming technique
that achieves superior precision without laser trimming. The
AD8615/AD8616/ AD8618 are fully specified to operate from
2.7 V to 5 V single supplies.
The combination of >20 MHz bandwidth, low offset, low noise,
and low input bias current makes these amplifiers useful in a
wide variety of applications. Filters, integrators, photodiode
amplifiers, and high impedance sensors all benefit from the
combination of performance features. AC applications benefit from
the wide bandwidth and low distortion. The AD8615/AD8616/
AD8618 offer the highest output drive capability of the DigiTrim®
family, which is excellent for audio line drivers and other low
impedance applications.
Applications for the parts include portable and low powered
instrumentation, audio amplification for portable devices,
portable phone headsets, bar code scanners, and multipole
filters. The ability to swing rail-to-rail at both the input and
output enables designers to buffer CMOS ADCs, DACs, ASICs,
and other wide output swing devices in single-supply systems.
Rev. E
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.
Trademarks and registered trademarks are the property of their respective owners.
Precision, 20 MHz, CMOS, Rail-to-Rail
Input/Output Operational Amplifiers
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
The AD8615/AD8616/AD8618 are specified over the extended
industrial temperature range (−40°C to +125°C). The AD8615
is available in 5-lead TSOT-23 package. The AD8616 is available
in 8-lead MSOP and narrow SOIC surface-mount packages; the
MSOP version is available in tape and reel only. The AD8618 is
available in 14-lead SOIC and TSSOP packages.
AD8615/AD8616/AD8618
OUT A
OUT A
OUT B
OUT B
OUT A
OUT A
PIN CONFIGURATIONS
–IN A
+IN A
–IN A
+IN A
+IN B
+IN A
+IN B
–IN B
–IN A
+IN A
–IN B
–IN A
©2004–2008 Analog Devices, Inc. All rights reserved.
Figure 4. 14-Lead TSSOP (RU-14)
OUT
Figure 1. 5-Lead TSOT-23 (UJ-5)
Figure 2. 8-Lead MSOP (RM-8)
+IN
V–
V–
V+
V+
Figure 5. 14-Lead SOIC (R-14)
V–
Figure 3. 8-Lead SOIC (R-8)
1
2
3
4
1
2
3
4
1
2
3
4
5
6
7
1
2
3
(Not to Scale)
(Not to Scale)
(Not to Scale)
1
7
(Not to Scale)
(Not to Scale)
AD8616
TOP VIEW
AD8616
TOP VIEW
AD8618
TOP VIEW
AD8618
TOP VIEW
AD8615
TOP VIEW
14
8
14
13
12
11
10
9
8
8
7
6
5
8
7
6
5
5
4
V+
OUT B
–IN B
+IN B
V+
OUT B
–IN B
+IN B
OUT D
–IN D
+IN D
V–
+IN C
–IN C
OUT C
OUT D
–IN D
+IN D
V–
+IN C
–IN C
OUT C
V+
–IN
www.analog.com

Related parts for AD8616

AD8616 Summary of contents

Page 1

... Figure 5. 14-Lead SOIC (R-14) The AD8615/AD8616/AD8618 are specified over the extended industrial temperature range (−40°C to +125°C). The AD8615 is available in 5-lead TSOT-23 package. The AD8616 is available in 8-lead MSOP and narrow SOIC surface-mount packages; the MSOP version is available in tape and reel only. The AD8618 is available in 14-lead SOIC and TSSOP packages ...

Page 2

... AD8615/AD8616/AD8618 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 General Description ......................................................................... 1 Pin Configurations ........................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Absolute Maximum Ratings ............................................................ 5 Thermal Resistance ...................................................................... 5 ESD Caution .................................................................................. 5 Typical Performance Characteristics ............................................. 6 Applications Information .............................................................. 11 Input Overvoltage Protection ................................................... 11 REVISION HISTORY 9/08—Rev Rev. E Changes to General Description Section ...................................... 1 Updated Outline Dimensions ....................................................... 15 Changes to Ordering Guide .......................................................... 17 5/08— ...

Page 3

... Table 1. Parameter INPUT CHARACTERISTICS Offset Voltage, AD8616/AD8618 Offset Voltage, AD8615 Offset Voltage Drift, AD8616/AD8618 Offset Voltage Drift, AD8615 Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio Large Signal Voltage Gain Input Capacitance OUTPUT CHARACTERISTICS Output Voltage High ...

Page 4

... Table 2. Parameter INPUT CHARACTERISTICS Offset Voltage, AD8616/AD8618 Offset Voltage, AD8615 Offset Voltage Drift, AD8616/AD8618 Offset Voltage Drift, AD8615 Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio Large Signal Voltage Gain Input Capacitance OUTPUT CHARACTERISTICS Output Voltage High ...

Page 5

... V Package Type Indefinite 5-Lead TSOT-23 (UJ) −65°C to +150°C 8-Lead MSOP (RM) −40°C to +125°C 8-Lead SOIC (R) 300°C 14-Lead SOIC (R) 150°C 14-Lead TSSOP (RU) ESD CAUTION Rev Page AD8615/AD8616/AD8618 is specified JA θ θ Unit JA JC 207 61 °C/W 210 45 °C/W ...

Page 6

... AD8615/AD8616/AD8618 TYPICAL PERFORMANCE CHARACTERISTICS 2200 2000 T = 25° 1800 CM 1600 1400 1200 1000 800 600 400 200 0 –700 –500 –300 –100 100 OFFSET VOLTAGE ( µV) Figure 6. Input Offset Voltage Distribution ...

Page 7

... 10M 100M Rev Page AD8615/AD8616/AD8618 V 10k 100k 1M FREQUENCY (Hz) Figure 15. CMRR vs. Frequency 0 1k 10k 100k 1M FREQUENCY (Hz) Figure 16. PSRR vs. Frequency ∞ 25° –OS +OS ...

Page 8

... AD8615/AD8616/AD8618 2.4 2.2 2 2. 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 –40 –25 – TEMPERATURE (°C) Figure 18. Supply Current vs. Temperature 2000 1800 1600 1400 1200 1000 800 600 400 200 0 0 0.5 1.0 1.5 2.0 2.5 3.0 SUPPLY VOLTAGE (V) Figure 19. Supply Current per Amplifier vs. Supply Voltage 1k 100 100 1k FREQUENCY (Hz) Figure 20. Voltage Noise Density vs. Frequency ...

Page 9

... Figure 28. Input Offset Voltage vs. Common-Mode Voltage 1000 100 10 1 0.1 500 700 0.001 Figure 29. Output Voltage to Supply Rail vs. Load Current Rev Page AD8615/AD8616/AD8618 25° 0.3 0.6 0.9 1.2 1.5 1.8 2.1 COMMON-MODE VOLTAGE (V) (200 Units, Five Wafer Lots Including Process Skews ...

Page 10

... AD8615/AD8616/AD8618 2. 1mA LOAD 1mA LOAD –40 –25 – TEMPERATURE (°C) Figure 30. Output Saturation Voltage vs. Temperature 100 V = ±1.35V 25°C A Ø = 42° –20 –40 –60 –80 –100 1M 10M FREQUENCY (Hz) Figure 31 ...

Page 11

... This reduces the overshoot and minimizes ringing, which in turn improves the frequency response of the AD8615/AD8616/ AD8618. One simple technique for compensation is the snubber, which consists of a simple RC network. With this circuit in place, output swing is maintained and the amplifier is stable at all gains ...

Page 12

... The low offset voltage, fast slew rate, and fast settling time make the part suitable to buffer voltage output or current output DACs. Figure 42 shows an example of the AD8616 at the output of the AD5542. The AD8616’s rail-to-rail output and low distortion help maintain the accuracy needed in data acquisition systems and automated test equipment. 0.1 µ ...

Page 13

... Figure 44. High Speed Photodiode Preamplifier ACTIVE FILTERS The low input bias current and high unity-gain bandwidth of the AD8616 make it an excellent choice for precision filter design. Figure 45 shows the implementation of a second-order, low-pass filter. The Butterworth response has a corner frequency of 100 kHz and a phase shift of 90° ...

Page 14

... JA A where junction temperature power dissipation DISS θ = package thermal resistance, junction-to-case ambient temperature of the circuit A To calculate the power dissipated by the AD8615/AD8616/ AD8618, use the following × – DISS LOAD S OUT where output load current LOAD ...

Page 15

... Figure 48. 5-Lead Thin Small Outline Transistor Package [TSOT] (UJ-5) Dimensions shown in millimeters 3.20 3.00 2.80 5. 3.20 4.90 3.00 4.65 2. PIN 1 0.65 BSC 0.95 0.85 1.10 MAX 0.75 8° 0.15 0.38 0.23 0° 0.00 0.22 0.08 SEATING COPLANARITY 0.10 PLANE COMPLIANT TO JEDEC STANDARDS MO-187-AA Figure 49. 8-Lead Mini Small Outline Package [MSOP] (RM-8) Dimensions shown in millimeters Rev Page AD8615/AD8616/AD8618 8° 4° 0.60 0° 0.45 0.30 0.80 0.60 0.40 ...

Page 16

... AD8615/AD8616/AD8618 0.25 (0.0098) 0.10 (0.0040) COPLANARITY 4.00 (0.1575) 3.80 (0.1496) 0.25 (0.0098) 0.10 (0.0039) COPLANARITY 0.10 4.50 4.40 4.30 PIN 1 1.05 1.00 0.80 0.15 0.05 COPLANARITY 0.10 5.00 (0.1968) 4.80 (0.1890 6.20 (0.2441) 4.00 (0.1574) 1 5.80 (0.2284) 3.80 (0.1497) 4 1.27 (0.0500) BSC 1.75 (0.0688) 1.35 (0.0532) 8° 0° 0.51 (0.0201) 0.10 0.31 (0.0122) 0.25 (0.0098) SEATING PLANE 0.17 (0.0067) COMPLIANT TO JEDEC STANDARDS MS-012-A A CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN ...

Page 17

... AD8616ARMZ-REEL –40°C to +125°C AD8616AR –40°C to +125°C AD8616AR-REEL –40°C to +125°C AD8616AR-REEL7 –40°C to +125°C 1 AD8616ARZ –40°C to +125°C 1 AD8616ARZ-REEL –40°C to +125°C AD8616ARZ-REEL7 1 –40°C to +125°C AD8618AR –40°C to +125°C AD8618AR-REEL – ...

Page 18

... AD8615/AD8616/AD8618 NOTES Rev Page ...

Page 19

... NOTES AD8615/AD8616/AD8618 Rev Page ...

Page 20

... AD8615/AD8616/AD8618 NOTES ©2004–2008 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D04648-0-9/08(E) Rev Page ...

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