ADA4896-2ARMZ-R7 datasheet, PDF

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ADA4896-2ARMZ-R7: DescriptionOp Amp Dual Low Power Amplifier R-R O/P ±5V/10V 8-Pin MSOP T/R; CategoryAnalog mixed-signal IC Amplifier circuit; File Size594KB，28 Pages; ManufacturerADI; Websitehttps://www.analog.com; Environmental Compliance

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ADA4896-2ARMZ-R7 Overview

Op Amp Dual Low Power Amplifier R-R O/P ±5V/10V 8-Pin MSOP T/R

ADA4896-2ARMZ-R7 Parametric

Parameter Name	Attribute value
Brand Name	Analog Devices Inc
Is it lead-free?	Contains lead
Is it Rohs certified?	conform to
Maker	ADI
Parts packaging code	TSSOP
package instruction	TSSOP, TSSOP8,.19
Contacts	8
Manufacturer packaging code	RM-8
Reach Compliance Code	compliant
ECCN code	EAR99
Amplifier type	OPERATIONAL AMPLIFIER
Architecture	VOLTAGE-FEEDBACK
Maximum average bias current (IIB)	4 µA
Maximum bias current (IIB) at 25C	4 µA
Nominal Common Mode Rejection Ratio	120 dB
frequency compensation	YES
Maximum input offset voltage	500 µV
JESD-30 code	S-PDSO-G8
JESD-609 code	e3
length	3 mm
low-bias	NO
low-dissonance	YES
micropower	NO
Humidity sensitivity level	1
Negative supply voltage upper limit	-5.5 V
Nominal Negative Supply Voltage (Vsup)	-5 V
Number of functions	2
Number of terminals	8
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	TSSOP8,.19
Package shape	SQUARE
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
method of packing	TAPE AND REEL
Peak Reflow Temperature (Celsius)	260
power	NO
power supply	+-1.5/+-5/3/10 V
Programmable power	NO
Certification status	Not Qualified
Maximum seat height	1.1 mm
Nominal slew rate	120 V/us
Maximum slew rate	6.4 mA
Supply voltage upper limit	5.5 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	BIPOLAR
Temperature level	AUTOMOTIVE
Terminal surface	Matte Tin (Sn)
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
Nominal Uniform Gain Bandwidth	230000 kHz
Minimum voltage gain	56200
broadband	YES
width	3 mm
Base Number Matches	1

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Data Sheet

FEATURES

Low wideband noise

1 nV/√Hz

2.8 pA/√Hz

Low 1/f noise: 2.4 nV/√Hz at 10 Hz

Low distortion: −115 dBc at 100 kHz, V

OUT

= 2 V p-p

Low power: 3 mA per amplifier

Low input offset voltage: 0.5 mV maximum

High speed

−3 dB bandwidth: 230 MHz (G = +1)

Slew rate: 120 V/μs

Settling time to 0.1%: 45 ns

Rail-to-rail output

Wide supply range: 3 V to 10 V

Disable feature (ADA4897-1/ADA4897-2)

1 nV/√Hz, Low Power,

Rail-to-Rail Output Amplifiers

ADA4896-2/ADA4897-1/ADA4897-2

FUNCTIONAL BLOCK DIAGRAM

–IN

+IN

–V

S 4

DISABLE

09447-101

OUT

Figure 1. 8-Lead SOIC (ADA4897-1)

VOLTAGE NOISE (nV/√Hz)

= ±5V

APPLICATIONS

Low noise preamplifier

Ultrasound amplifiers

PLL loop filters

High performance ADC drivers

DAC buffers

100

10k

100k

FREQUENCY (Hz)

GENERAL DESCRIPTION

The

ADA4896-2/ADA4897-1/ADA4897-2

are unity-gain stable,

low noise, rail-to-rail output, high speed voltage feedback amplifiers

that have a quiescent current of 3 mA. With a 1/f noise of

2.4 nV/√Hz at 10 Hz and a spurious-free dynamic range of −80 dBc

at 2 MHz, the

ADA4896-2/ADA4897-1/ADA4897-2

are ideal

solutions in a variety of applications, including ultrasound, low

noise preamplifiers, and drivers of high performance ADCs. The

Analog Devices, Inc., proprietary next-generation SiGe bipolar

process and innovative architecture enable such high performance

amplifiers.

The

ADA4896-2/ADA4897-1/ADA4897-2

have 230 MHz

bandwidth, 120 V/μs slew rate, and settle to 0.1% in 45 ns.

With a wide supply voltage range of 3 V to 10 V, the

ADA4896-2/

ADA4897-1/ADA4897-2

are ideal candidates for systems that

require high dynamic range, precision, low power, and high speed.

The

ADA4896-2

is available in 8-lead LFCSP and 8-lead MSOP

packages. The

ADA4897-1

is available in 8-lead SOIC and 6-lead

SOT-23 packages. The

ADA4897-2

is available in a 10-lead MSOP

package. The

ADA4896-2/ADA4897-1/ADA4897-2

operate over

the extended industrial temperature range of −40°C to +125°C.

Figure 2. Voltage Noise vs. Frequency

Table 1. Other Low Noise Amplifiers

Part No.

AD797

AD8021

AD8099

AD8045

ADA4899-1

ADA4898-1/

ADA4898-2

(nV/√Hz)

At 1 kHz

At 100 kHz

0.9

2.1

0.95

1.4

0.9

BW (MHz)

490

510

1000

600

Supply

Voltage (V)

10 to 30

5 to 24

5 to 12

3.3 to 12

5 to 12

10 to 32

Table 2. Complementary ADCs

Part No.

AD7944

AD7985

AD7986

Bits

Speed (MSPS)

2.5

Power (mW)

15.5

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.

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

Tel: 781.329.4700

www.analog.com

Fax: 781.461.3113

09447-102

ADA4896-2/ADA4897-1/ADA4897-2

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications ....................................................................................... 1

General Description ......................................................................... 1

Functional Block Diagram .............................................................. 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

±5 V Supply ................................................................................... 3

+5 V Supply ................................................................................... 4

+3 V Supply ................................................................................... 6

Absolute Maximum Ratings............................................................ 8

Thermal Resistance ...................................................................... 8

Maximum Power Dissipation ..................................................... 8

ESD Caution .................................................................................. 8

Pin Configurations and Function Descriptions ........................... 9

Typical Performance Characteristics ........................................... 11

Data Sheet

Theory of Operation ...................................................................... 17

Amplifier Description................................................................ 17

Input Protection ......................................................................... 17

Disable Operation ...................................................................... 17

DC Errors .................................................................................... 18

Bias Current Cancellation ......................................................... 18

Noise Considerations ................................................................. 19

Capacitance Drive ...................................................................... 19

Applications Information .............................................................. 20

Typical Performance Values ...................................................... 20

Low Noise, Gain Selectable Amplifier ..................................... 21

Medical Ultrasound Applications ............................................ 22

Layout Considerations ............................................................... 24

Outline Dimensions ....................................................................... 25

Ordering Guide .......................................................................... 27

REVISION HISTORY

4/12—Rev. A to Rev. B

Changed 6-Lead Single SOT-23 (ADA4897-1) Thermal

Reistance from 306°C/W to 150°C/W ........................................... 8

Changes to Figure 3 .......................................................................... 8

10/11—Rev. 0 to Rev. A

Added ADA4897-2 and 10-Lead MSOP ......................... Universal

Change to Table 1 ............................................................................. 1

Changes to Table 3 ............................................................................ 3

Changes to Table 4 ............................................................................ 4

Changes to Table 5 ............................................................................ 6

Changes to Table 7 and Figure 3 ..................................................... 8

Changes to Figure 4, Table 8, and Table 9 ..................................... 9

Added Figure 8 and Table 10; Renumbered Sequentially ......... 10

Changed Summary Statement for Typical Performance

Characteristics Section................................................................... 11

Changes to Figure 18 ...................................................................... 12

Change to Figure 20 ....................................................................... 12

Change to Figure 26; Moved Figure 26........................................ 13

Changes to Figure 37...................................................................... 15

Changes to Amplifier Description Section, Disable Operation

Section, Figure 44, and Figure 45 ................................................. 17

Added Bias Current Cancellation Section, Figure 47,

Table 11, and Table 12 .................................................................... 18

Changes to Table 13 ....................................................................... 20

Changes to Low Noise, Gain Selectable Amplifier Section

and Figure 52................................................................................... 21

Deleted Figure 51............................................................................ 22

Changes to Power Supply Bypassing Section ............................. 24

Moved Figure 57 ............................................................................. 25

Moved Figure 58 ............................................................................. 26

Added Figure 60 ............................................................................. 27

Changes to Ordering Guide .......................................................... 27

7/11—Revision 0: Initial Version

Rev. B | Page 2 of 28

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