Datasheet > AD7674ASTZ

AD7674ASTZ

更新时间： 2024-11-07 01:22:47

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
29页	587K
描述
18-Bit, 2.5 LSB INL, 800 kSPS, SAR ADC

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AD7674ASTZ 数据手册

18-Bit, 2.5 LSB INL, 800 kSPS, SAR ADC

Data Sheet

AD7674

FEATURES

FUNCTIONAL BLOCK DIAGRAM

PDBUF

REF

REFGND

DVDD DGND

18-bit resolution with no missing codes

No pipeline delay (SAR architecture)

Differential input range:

Throughput

AGND

AVDD

OVDD

OGND

AD7674

V_REF(V_REFup to 5 V)

SERIAL

PORT

REFBUFIN

IN+

IN–

800 kSPS (warp mode)

666 kSPS (normal mode)

570 kSPS (impulse mode)

INL: 2.5 LSB max ( 9.5 ppm of full scale)

Dynamic range : 103 dB typ (V_REF= 5 V)

SINAD: 100 dB typ at 2 kHz (V_REF= 5 V)

Parallel (18-, 16-, or 8-bit bus) and serial 5 V/3 V interface

SPI/QSPI™/MICROWIRE/DSP compatible

On-board reference buffer

SWITCHED

CAP DAC

D[17:0]

BUSY

PARALLEL

INTERFACE

CLOCK

CONTROL LOGIC AND

CALIBRATION CIRCUITRY

MODE0

MODE1

RESET

CNVST

IMPULSE

WARP

03083–0–001

Single 5 V supply operation

Figure 1.

Power dissipation

98 mW typ at 800 kSPS

Table 1. PulSAR^TMSelection

100 kSPS to 500 kSPS to

800 kSPS to

1000 kSPS

78 mW typ at 500 kSPS (impulse mode)

160 µW at 1 kSPS (impulse mode)

48-lead LQFP or 48-lead LFCSP

Pin-to-pin compatible upgrade of AD7676, AD7678,

and AD7679

Type

250 kSPS

570 kSPS

Pseudo-

Differential

AD7651,

AD7660/

AD7661

AD7650/AD7652, AD7653,

AD7664/AD7666

AD7667

True Bipolar

AD7663

AD7665

AD7671

AD7677

AD7674

True Differential AD7675

AD7676

APPLICATIONS

18-Bit

AD7678

AD7679

CT scanners

Multichannel/

Simultaneous

AD7654, AD7655

High dynamic data acquisition

Geophone and hydrophone sensors

∑-∆ replacement (low power, multichannel)

Instrumentation

Spectrum analysis

Medical instruments

PRODUCT HIGHLIGHTS

1. High Resolution, Fast Throughput. The AD7674 is an

800 kSPS, charge redistribution, 18-bit, SAR ADC (no

latency).

GENERAL DESCRIPTION

2. Excellent Accuracy. The AD7674 has a maximum integral

nonlinearity of 2.5 LSB with no missing 18-bit codes.

The AD7674 is an 18-bit, 800 kSPS, charge redistribution,

successive approximation register (SAR) fully differential

analog-to-digital converter (ADC) that operates on a single 5 V

power supply. The device contains a high speed, 18-bit sampling

ADC, an internal conversion clock, an internal reference buffer,

error correction circuits, and both serial and parallel system

interface ports.

3. Serial or Parallel Interface. Versatile parallel (18-, 16- or

8-bit bus) or 3-wire serial interface arrangement

compatible with both 3 V and 5 V logic.

The device is available in a 48-lead LQFP or a 48-lead LFCSP

with operation specified from −40°C to +85°C.

Rev. B

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.

Technical Support

www.analog.com

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AD7674ASTZ 替代型号

型号	品牌	替代类型	描述	数据表
AD7674AST	ADI	完全替代	18-Bit, 2.5 LSB INL, 800 kSPS SAR ADC
AD7679AST	ADI	完全替代	18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC
AD7678ASTZ	ADI	类似代替	18-Bit,100 kSPS PulSAR® A/D Converter

与AD7674ASTZ相关器件

型号	品牌	获取价格	描述	数据表
AD7674ASTZ1	ADI	获取价格	18-Bit, 2.5 LSB INL, 800 kSPS SAR ADC
AD7674ASTZL	ADI	获取价格	18-Bit, 2.5 LSB INL, 800 kSPS SAR ADC
AD7674ASTZRL	ADI	获取价格	18-Bit, 2.5 LSB INL, 800 kSPS, SAR ADC
AD7675	ADI	获取价格	16-Bit, 100 kSPS, Differential ADC
AD7675ACP	ADI	获取价格	IC 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, QCC48, 7 X 7 MM, MO-2
AD7675ACPRL	ADI	获取价格	IC 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, QCC48, 7 X 7 MM, MO-2
AD7675ACPZ	ADI	获取价格	1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, QCC48, 7 X 7 MM, MO-220V
AD7675ACPZRL	ADI	获取价格	1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, QCC48, 7 X 7 MM, MO-220V
AD7675AST	ADI	获取价格	16-Bit, 100 kSPS, Differential ADC
AD7675ASTRL	ADI	获取价格	16-Bit, 100 kSPS, Differential ADC

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