Datasheet > AD4010

AD4010

更新时间： 2023-09-23 06:49:13

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
36页	599K
描述
18位、500 kSPS精密伪差分SAR ADC

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数据手册

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AD4010 数据手册

18-Bit, 2 MSPS/1 MSPS/500 kSPS,

Precision, Pseudo Differential, SAR ADCs

Preliminary Technical Data

AD4002/AD4006/AD4010

FEATURES

GENERAL DESCRIPTION

Throughput: 2 MSPS/1 MSPS/500 kSPS options

INL: 2.0 LSB maximum

Guaranteed 18-bit, no missing codes

Low power

The AD4002/AD4006/AD4010 are low noise, low power, high

speed, 18-bit, precision successive approximation register (SAR)

analog-to-digital converters (ADCs). The AD4002, AD4006,

and AD4010 offer 2 MSPS, 1 MSPS, and 500 kSPS throughputs,

9.75 mW at 2 MSPS, 4.9 mW at 1 MSPS, 2.5 mW at 500 kSPS

(VDD only)

respectively. They incorporate ease of use features that reduce

signal chain power consumption, reduce signal chain

70 µW at 10 kSPS, 14 mW at 2 MSPS (total)

SNR: 95 dB typical at 1 kHz, V_REF= 5 V; TBD dB typical at 100 kHz

THD: −120 dB typical at 1 kHz, V_REF= 5 V; TBD dB typical at

100 kHz

Ease of use features reduce system power and complexity

Input overvoltage clamp circuit

Reduced nonlinear input charge kickback

High-Z mode

Long acquisition phase

complexity, and enable higher channel density. The high-Z

mode, coupled with a long acquisition phase, eliminates the

need for a dedicated high power, high speed ADC driver, thus

broadening the range of low power precision amplifiers that can

drive these ADCs directly while still achieving optimum

performance. The input span compression feature enables the

ADC driver amplifier and the ADC to operate off common

supply rails without the need for a negative supply while

preserving the full ADC code range. The low serial peripheral

interface (SPI) clock rate requirement reduces the digital

input/output power consumption, broadens processor options,

and simplifies the task of sending data across digital isolation.

Input span compression

Fast conversion time allows low SPI clock rates

SPI-programmable modes, read/write capability, status word

Pseudo differential (single-ended) analog input range

0 V to V_REFwith V_REFfrom 2.4 V to 5.1 V

Single 1.8 V supply operation with 1.71 V to 5.5 V logic interface

SAR architecture: no latency/pipeline delay, valid first

conversion

Operating from a 1.8 V supply, the AD4002/AD4006/AD4010

sample an analog input (IN+) from 0 V to V_REFwith respect to a

ground sense (IN−) with V_REFranging from 2.4 V to 5.1 V. The

AD4002 consumes only 14 mW at 2 MSPS with a minimum SCK

rate of 75 MHz in turbo mode; the AD4006 consumes only

7 mW at 1 MSPS; and the AD4010 consumes only 3.5 mW at

500 kSPS. The AD4002/AD4006/AD4010 all achieve 2.0 LSB

integral nonlinearity error (INL) maximum, no missing codes

at 18 bits, and 95 dB signal-to-noise ratio (SNR) for an input

frequency (f_IN) of 1 kHz. The reference voltage is applied

First accurate conversion

Guaranteed operation: −40°C to +125°C

SPI-/QSPI-/MICROWIRE-/DSP-compatible serial interface

Ability to daisy-chain multiple ADCs and busy indicator

10-lead packages: 3 mm × 3 mm LFCSP, 3 mm × 4.90 mm MSOP

APPLICATIONS

externally and can be set independently of the supply voltage.

Automatic test equipment

Machine automation

Medical equipment

Battery-powered equipment

Precision data acquisition systems

The SPI-compatible versatile serial interface features seven

different modes including the ability, using the SDI input, to

daisy-chain several ADCs on a single 3-wire bus, and provides

an optional busy indicator. The AD4002/AD4006/AD4010 are

compatible with 1.8 V, 2.5 V, 3 V, and 5 V logic, using the

separate VIO supply.

The AD4002/AD4006 are available in a 10-lead MSOP and

10-lead LFCSP, and the AD4010 is available in a 10-lead LFCSP,

with operation specified from −40°C to +125°C. The devices are

pin compatible with the 18-bit, 2 MSPS AD4003 (see Table 8).

Rev. PrA

Document Feedback

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

Technical Support

www.analog.com

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