AD8665 Analog Devices, AD8665 Datasheet

AD8665

Manufacturer Part Number

AD8665

Description

16 V, 4 MHz Rail-to-Rail Output Amplifiers

Manufacturer

Analog Devices

Datasheet

1.AD8665.pdf (16 pages)

Specifications of AD8665

-3db Bandwidth

4MHz

Slew Rate

3.5V/µs

Vos

600µV

0.2pA

# Opamps Per Pkg

Input Noise (nv/rthz)

10nV/rtHz

Vcc-vee

5V to 16V

Isy Per Amplifier

1.55mA

Packages

SOIC,SOT

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

AD8665AR

Manufacturer:

ADI/亚德诺

Quantity:

20 000

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

AD8665ARJZ-REEL7

Manufacturer:

Quantity:

2 018

Company:

Meier Automation Equipment Co., Limited

Part Number:

AD8665ARZ

Manufacturer:

ADI/亚德诺

Quantity:

20 000

Current page: 1 of 16
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FEATURES

Offset voltage: 2.5 mV max

Low input bias current: 1 pA max

Single-supply operation: 5 V to 16 V

Dual-supply operation: ±2.5 V to ±8 V

Low noise: 8 nV/√Hz @ 10 kHz

Wide bandwidth: 4 MHz

Rail-to-rail output

Unity-gain stable

Lead-free packaging

AD8666/AD8668 qualified for automotive applications

APPLICATIONS

Sensor amplification

Reference buffers

Medical equipment

Physiological measurements

Signal filters and conditioning

Consumer audio

Photodiode amplification

ADC driver

Level shifting circuits

GENERAL DESCRIPTION

The AD866x family is single supply, rail-to-rail output

amplifiers with low noise performance featuring an extended

operating range with supply voltages up to 16 V. They also

feature low input bias currents, wide signal bandwidth, and low

input voltage and current noise. For lower offset voltage, choose

the AD8661/AD8662/AD8664

The combination of low offsets, very low input bias currents,

and wide supply range make these amplifiers useful in a wide

variety of cost sensitive applications normally associated with

much higher priced JFET amplifiers. Systems using high

impedance sensors, such as photo diodes, benefit from the

combination of low input bias current, low noise, and low offset

and bandwidth. The wide operating voltage range matches high

performance ADCs and DACs. Audio applications and medical

monitoring equipment can take advantage of the high input

impedance, low voltage and current noise, wide bandwidth, and

the lack of popcorn noise found in many other low input bias

current amplifiers.

The AD866x family is specified over the extended industrial

temperature range (−40°C to +125°C). See the Ordering Guide

for automotive models.

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 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.

family.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

16 V, 4 MHz RR0 Amplifiers

AD8665/AD8666/AD8668

Figure 5. AD8668, 14-Lead TSSOP (RU-14)

Figure 6. AD8668, 14-Lead SOIC_N (R-14)

Figure 1. AD8665, 5-Lead SOT-23 (RJ-5)

Figure 4. AD8666, 8-Lead MSOP (RM-8)

Figure 2. AD8665, 8-Lead SOIC_N (R-8)

Figure 3. AD8666, 8-Lead SOIC_N (R-8)

OUT A

OUT B

OUT A

OUT B

OUT A

+IN A

+IN B

–IN B

+IN A

–IN A

PIN CONFIGURATIONS

–IN A

+IN A

–IN A

+IN A

+IN B

–IN B

IN A

VEE

OUT

V+

–IN

+IN

V–

V+

V–

NC = NO CONNECT

(Not to Scale)

AD8665

TOP VIEW

AD8665

TOP VIEW

AD8668

AD8666

TOP VIEW

AD8666

TOP VIEW

AD8648

AD8668

AD8648

AD8668

TOP VIEW

V+

–IN

VCC

OUT

OUT D

–IN D

+IN D

V–

+IN C

–IN C

OUT C

V+

OUT B

–IN B

+IN B

V+

OUT B

–IN B

+IN B

OUT D

–IN D

+IN D

V–

+IN C

OUT C

–IN C

www.analog.com

Related parts for AD8665

AD8665 Summary of contents

Page 1

... Figure 1. AD8665, 5-Lead SOT-23 (RJ- AD8665 – + TOP VIEW (Not to Scale) VEE CONNECT Figure 2. AD8665, 8-Lead SOIC_N (R-8) OUT AD8666 – + TOP VIEW 6 (Not to Scale) V– Figure 3. AD8666, 8-Lead SOIC_N (R-8) OUT AD8666 – ...

Page 2

... Change to Features and General Description Sections ............... 1 Updated Outline Dimensions ....................................................... 12 Changes to Ordering Guide .......................................................... 13 Added Automotive Products Section........................................... 13 10/06—Rev Rev. A Added AD8665 ................................................................... Universal Added New Figure 1 and Figure 2, Renumbered Sequentially ................................................................ 1 Changes to Table 4 ............................................................................ 5 Changes to Figure 8, Figure 9, and Figure 11 ............................... 6 Change to Figure 40 ....................................................................... 11 Updated Outline Dimensions ...

Page 3

... −40°C < T < +125° kΩ L GBP Φ p-p 0 kHz kHz kHz Rev Page AD8665/AD8666/AD8668 Min Typ Max Unit 0.7 2.5 mV 3.0 mV 5.0 mV 3.0 10 μV/°C 0 550 pA 0.1 0 −0.1 +3 ...

Page 4

... AD8665/AD8666/AD8668 / unless otherwise noted Table 2. Parameter INPUT CHARACTERISTICS Offset Voltage Offset Voltage Drift Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio Large-Signal Voltage Gain OUTPUT CHARACTERISTICS Output Voltage High Output Voltage Low ...

Page 5

... GND to V 5-Lead SOT-23 (RJ-5) DD ±18 V 8-Lead SOIC_N (R-8) Indefinite 8-Lead MSOP (RM-8) −65°C to +150°C 14-Lead SOIC (R-14) −40°C to +125°C 14-Lead TSSOP (RU-14) 300°C 150°C ESD CAUTION Rev Page AD8665/AD8666/AD8668 θ θ Unit JA JC 240 92 °C/W 158 43 °C/W 210 45 °C/W ...

Page 6

... AD8665/AD8666/AD8668 TYPICAL PERFORMANCE CHARACTERISTICS 100 V = 16V 25° 600 AMPLIFIERS –3 –2 –1 0 INPUT OFFSET VOLTAGE (mV) Figure 7. Input Offset Voltage Distribution TCV (µV/°C) OS Figure 8. V ...

Page 7

... M 180 20 225 0 10M 1k 100 10M V = 16V 25° Rev Page AD8665/AD8666/AD8668 V T PSRR+ 10k 100k 1M FREQUENCY (Hz) Figure 16. Power Supply Rejection Ratio vs. Frequency 16V 25°C A 100 1k FREQUENCY (Hz) Figure 17. Voltage Noise Density vs. Frequency 16V 25° ...

Page 8

... AD8665/AD8666/AD8668 TIME (0.5µs/DIV) Figure 19. Small-Signal Transient Response –2 –4 –6 –8 –10 TIME (2µs/DIV) Figure 20. Large-Signal Transient Response 16V 100mV p LOAD CAPACITANCE (pF) Figure 21. Small-Signal Overshoot vs. Load Capacitance V = 16V 10kΩ ...

Page 9

... –20 1k 3.0 3.5 Figure 29. Open-Loop Gain and Phase vs. Frequency 1000 V DD 100 0.1 0.01 100 10 20 Figure 30. Closed-Loop Output Impedance vs. Frequency Rev Page AD8665/AD8666/AD8668 = 5V = 1mA SOURCING V OL SINKING – 100 TEMPERATURE (° 2kΩ 10pF ...

Page 10

... AD8665/AD8666/AD8668 120 25°C A 100 10k 100k FREQUENCY (Hz) Figure 31. Common-Mode Rejection Ratio vs. Frequency 100 25° 10k 100k FREQUENCY (Hz) Figure 32. Power Supply Rejection Ratio vs. Frequency TIME (0.4µs/DIV) Figure 33. Small-Signal Transient Response –0.5 – ...

Page 11

... –100 V 1.75 1.50 1.25 1.00 0.75 0.50 0. –2 –4 –6 –8 –10 80 100 120 Rev Page AD8665/AD8666/AD8668 SUPPLY VOLTAGE (V) Figure 39. Supply Current vs. Supply Voltage OUT TIME (10µs/DIV) Figure 40. No Output Phase Reversal ± ...

Page 12

... AD8665/AD8666/AD8668 OUTLINE DIMENSIONS 0.25 (0.0098) 0.10 (0.0040) COPLANARITY 0.10 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. IDENTIFIER 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° ...

Page 13

... 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. Figure 44. 14-Lead Standard Small Outline Package [SOIC_N] Narrow Body (R-14) Dimensions shown in millimeters and (inches) Rev Page AD8665/AD8666/AD8668 0.75 8° 0.60 0° 0.45 0.50 (0.0197) 45° ...

Page 14

... AD8665ARZ −40°C to +125°C AD8665ARZ-REEL −40°C to +125°C AD8665ARZ-REEL7 −40°C to +125°C AD8665ARJZ-R2 −40°C to +125°C AD8665ARJZ-REEL −40°C to +125°C AD8665ARJZ-REEL7 −40°C to +125°C AD8666ARZ −40°C to +125°C AD8666ARZ-REEL −40°C to +125°C AD8666ARZ-REEL7 − ...

Page 15

... NOTES AD8665/AD8666/AD8668 Rev Page ...

Page 16

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