Datasheet > AD7678ACPZRL

AD7678ACPZRL

更新时间： 2024-11-30 21:05:47

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	433K
描述
1-CH 18-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, QCC48, 7 X 7 MM, ROHS COMPLIANT, MO-220VKKD, LFCSP-48

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AD7678ACPZRL 数据手册

18-Bit, 2.5 LSB INL, 100 kSPS SAR ADC

AD7678

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: 100 kSPS

AGND

AVDD

OVDD

OGND

AD7678

SERIAL

PORT

REFBUFIN

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

CALIBRATION CIRCUITRY

MODE0

MODE1

RESET

Single 5 ± supply operation

Power dissipation:18 mW @ 100 kSPS

180 μW @ 1 kSPS

CNVST

03084–0–001

48-lead LQFP or 48-lead LFCSP package

Pin-to-pin compatible upgrade of AD7674/AD7676/AD7679

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

- 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 AD7678 is an 18-bit, 100 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 AD7678 is a 100 kSPS, charge redistribution, 18-bit

SAR ADC (no latency).

2. Excellent Accuracy.

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

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

The AD7678 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 2-wire serial

interface arrangement compatible with both 3 V and

5 V logic.

Rev. A

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 ofthird parties that may result fromits use. Specifications subject to change without notice. No

licenseis granted byimplication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe 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

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AD7678ACPZRL 替代型号

型号	品牌	替代类型	描述	数据表
AD7678ACP	ADI	完全替代	IC 1-CH 18-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, QCC48, LFCSP-48, Anal

与AD7678ACPZRL相关器件

型号	品牌	获取价格	描述	数据表
AD7678AST	ADI	获取价格	IC 1-CH 18-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP48, LQFP-48, Anal
AD7678ASTRL	ADI	获取价格	IC 1-CH 18-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP48, LQFP-48, Anal
AD7678ASTZ	ROCHESTER	获取价格	1-CH 18-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP48, ROHS COMPLIANT,
AD7678ASTZ	ADI	获取价格	18-Bit,100 kSPS PulSAR® A/D Converter
AD7678ASTZRL	ADI	获取价格	18-Bit,100 kSPS PulSAR® A/D Converter
AD7679	ADI	获取价格	18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC
AD7679_17	ADI	获取价格	18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC
AD7679ACP	ADI	获取价格	18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC
AD7679ACP	ROCHESTER	获取价格	1-CH 18-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, QCC48, MO-220-VKKD-2, LF
AD7679ACPRL	ADI	获取价格	18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC

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