AD7650ASTZ

更新时间： 2024-09-16 13:05:23

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
28页	1076K
描述
16-Bit, 570 kSPS, Unipolar CMOS Successive Approximation ADC

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AD7650ASTZ 数据手册

18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC

AD7679

FUNCTIONAL BLOCK DIAGRAM

FEATURES

PDBUF

REF

REFGND

DVDD DGND

18-bit resolution with no missing codes

No pipeline delay (SAR architecture)

Differential input range: ±±_REF(±_REFup to 5 ±)

Throughput: 570 kSPS

AGND

AVDD

OVDD

OGND

AD7679

SERIAL

REFBUFIN

PORT

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

Dynamic range : 103 dB typ (±_REF= 5 ±)

S/(N+D): 100 dB typ @ 2 kHz (±_REF= 5 ±)

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

SPI®/QSPI™/MICROWIRE™/DSP compatible

On-board reference buffer

IN+

IN–

SWITCHED

CAP DAC

D[17:0]

BUSY

PARALLEL

INTERFACE

CLOCK

CONTROL LOGIC AND

MODE0

MODE1

CALIBRATION CIRCUITRY

RESET

Single 5 ± supply operation

Power dissipation:76 mW @ 500 kSPS

150 µW @ 1 kSPS

CNVST

03085–0–001

48-lead LQFP or 48-lead LFCSP package

Pin-to-pin compatible upgrade of AD7674/AD7676/AD7678

Figure 1. Functional Block Diagram

Table 1. PulSAR Selection

APPLICATIONS

800–

1000

CT scanners

Type/kSPS

100–250

500–570

High dynamic data acquisition

Geophone and hydrophone sensors

Σ-∆ replacement (low power, multichannel)

Instrumentation

Spectrum analysis

Medical instruments

Pseudo-

Differential

AD7651

AD7650/AD7652 AD7653

AD7660/AD7661 AD7664/AD7666 AD7667

True Bipolar

AD7663

AD7675

AD7665

AD7676

AD7671

AD7677

True

Differential

18-Bit

AD7678

AD7679

AD7674

Multichannel/

Simultaneous

AD7654

AD7655

GENERAL DESCRIPTION

The AD7679 is an 18-bit, 570 kSPS, charge redistribution SAR,

fully differential analog-to-digital converter that operates on a

single 5 V power supply. The part 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.

PRODUCT HIGHLIGHTS

1. High Resolution, Fast Throughput.

The AD7679 is a 570 kSPS, charge redistribution, 18-bit

SAR ADC (no latency).

2. Excellent Accuracy.

The part is available in a 48-lead LQFP or 48-lead LFCSP with

operation specified from –40°C to +85°C.

The AD7679 has a maximum integral nonlinearity of

2.5 LSB with no missing 18-bit codes.

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.

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 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 companies.

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

Tel: 781.329.4700

Fax: 781.326.8703

www.analog.com

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AD7650ASTZ 替代型号

型号	品牌	替代类型	描述	数据表
AD7650ASTZRL	ADI	类似代替	16-Bit, 570 kSPS, Unipolar CMOS Successive Approximation ADC
AD7650AST	ADI	类似代替	IC 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP48, LQFP-48, Anal
AD7650ASTRL	ADI	类似代替	IC 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP48, LQFP-48, Anal

与AD7650ASTZ相关器件

型号	品牌	获取价格	描述	数据表
AD7650ASTZRL	ADI	获取价格	16-Bit, 570 kSPS, Unipolar CMOS Successive Approximation ADC
AD7651	ADI	获取价格	16-Bit 1 MSPS SAR Unipolar ADC with Ref
AD7651_17	ADI	获取价格	16-Bit 100 kSPS PulSAR Unipolar ADC with Reference
AD7651ACP	ADI	获取价格	16-Bit 100 kSPS PulSAR Unipolar ADC with Reference
AD7651ACPRL	ADI	获取价格	暂无描述
AD7651ACPZ	ROCHESTER	获取价格	1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, QCC48, MO-220-VKKD-2, LF
AD7651ACPZ	ADI	获取价格	16-Bit 100 kSPS PulSAR® Unipolar ADC with Reference
AD7651ACPZRL	ADI	获取价格	16-Bit 100 kSPS PulSAR® Unipolar ADC with Reference
AD7651AST	ADI	获取价格	IC 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP48, MS-026BBC, LQ
AD7651ASTRL	ADI	获取价格	暂无描述

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