Datasheet > ADA494

ADA494

更新时间： 2024-11-23 12:52:59

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
12页	292K
描述
16-Bit, 1 MSPS PulSAR ADC in MSOP QFN

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ADA494 数据手册

16-Bit, 1 MSPS PulSAR ADC in MSOP/QFN

AD7980-EP

APPLICATION DIAGRAM EXAMPLE

FEATURES

2.5V TO 5V

2.5V

16-bit resolution with no missing codes

Throughput: 1 MSPS

Low power dissipation: 7.0 mW @ 1 MSPS, 70 µW @ 10 kSPS

INL: 1.5 LSB typical, 1.25 LSB maximum

SINAD: 91.5 dB @ 10 kHz

VIO

SDI

1.8V TO 5.0V

REF VDD

0 TO VREF

IN+

IN–

SCK

SDO

CNV

AD7980-EP

3- OR 4-WIRE INTERFACE

(SPI, DAISY CHAIN, CS)

THD: −114 dB @ 10 kHz

Pseudo differential analog input range

0 V to V_REFwith V_REFbetween 2.5 V to 5.5 V

Any input range and easy to drive with the ADA4841

No pipeline delay

GND

Figure 1.

GENERAL DESCRIPTION

Single-supply 2.5 V operation with 1.8 V/2.5 V/3 V/5 V

logic interface

The AD7980-EP is a 16-bit, successive approximation, analog-

to-digital converter (ADC) that operates from a single power

supply, VDD. It contains a low power, high speed, 16-bit

sampling ADC and a versatile serial interface port. On the CNV

rising edge, it samples an analog input IN+ between 0 V to REF

with respect to a ground sense IN−. The reference voltage, REF,

is applied externally and can be set independent of the supply

voltage, VDD. Its power scales linearly with throughput.

Serial interface SPI-/QSPI™-/MICROWIRE™-/DSP-compatible

Daisy-chain multiple ADCs and busy indicator

Supports defense and aerospace applications (AQEC)

Controlled manufacturing baseline

One assembly/test site

One fabrication site

Enhanced product change notification

Qualification data available on request

10-lead MSOP

The SPI-compatible serial interface also features the ability,

using the SDI input, to daisy-chain several ADCs on a single,

3-wire bus and provides an optional busy indicator. It is

compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic, using the separate

supply VIO.

Military temperature range: −55°C to +125°C

APPLICATIONS

Battery-powered equipment

Communications

ATE

Data acquisitions

Medical instruments

The AD7980-EP is housed in a 10-lead MSOP with operation

specified from −55°C to +125°C.

Table 1. MSOP, QFN (LFCSP) 14-/16-/18-Bit PulSAR® ADC

Type

100 kSPS

250 kSPS

400 kSPS to 500 kSPS

1000 kSPS

ADC Driver

ADA4941

ADA4841

ADA4941

ADA4841

18-Bit

AD7691¹

AD7690¹

AD7982¹

16-Bit

AD7680

AD7683

AD7684

AD7940

AD7685¹

AD7687¹

AD7694

AD7942¹

AD7686¹

AD7688¹

AD7693¹

AD7946¹

AD7980¹

14-Bit

¹Pin-for-pin compatible.

Rev. 0

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

rightsof third parties that may result fromits 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 andregisteredtrademarks 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

Fax: 781.461.3113

www.analog.com

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与ADA494相关器件

型号	品牌	获取价格	描述	数据表
ADA4940-1	ADI	获取价格	Ultralow Power, Low Distortion
ADA4940-1_16	ADI	获取价格	Ultralow Power, Low Distortion, Fully Differential ADC Drivers
ADA4940-1ACP-EBZ	ADI	获取价格	Ultralow Power, Low Distortion
ADA4940-1ACPZ	ADI	获取价格	OP-AMP, 350uV OFFSET-MAX, QCC16
ADA4940-1ACPZ-R2	ADI	获取价格	Ultralow Power, Low Distortion
ADA4940-1ACPZ-R7	ADI	获取价格	Ultralow Power, Low Distortion
ADA4940-1ACPZ-RL	ADI	获取价格	Ultralow Power, Low Distortion
ADA4940-1ARDZ-RL	ADI	获取价格	IC OP-AMP, PDSO8, ROHS COMPLIANT, MS-012AA, SOIC-8, Operational Amplifier
ADA4940-1AR-EBZ	ADI	获取价格	Ultralow Power, Low Distortion
ADA4940-1ARZ	ADI	获取价格	Ultralow Power, Low Distortion

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