AD7694

更新时间： 2024-11-19 04:30:47

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
16页	573K
描述
16-Bit, 250 kSPS PulSAR ADC in MSOP

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AD7694 数据手册

16-Bit, 250 kSPS PulSAR

ADC in MSOP

AD7694

APPLICATION DIAGRAM

FEATURES

1V TO VDD

2.5V TO 5V

16-bit resolution with no missing codes

Throughput: 250 kSPS @ 5 V

INL: 4 LSB max

S/(N + D): 92 dB @ 20 kHz

THD: –106 dB @ 20 kHz

Pseudo-differential analog input range:

0 V to V_REFwith V_REFup to VDD

No pipeline delay

Single-supply operation: 2.7 V or 5 V

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

Supply Current: 540 µA @ 2.7 V/100 kSPS,

800 µA @ 5 V/100 kSPS

REF

VDD

0 TO V

REF

IN+

SCK

SDO

CNV

AD7694

3-WIRE SPI

INTERFACE

IN–

GND

Figure 1.

Table 1. MSOP, QFN (LFCSP)/SOT-23, 16-Bit PulSAR ADC

Type

100 kSPS

AD7684

AD7683

250 kSPS

500 kSPS

AD7688

AD7686

True Differential

Pseudo

Differential/Unipolar

Unipolar

AD7687

AD7685

AD7694

Standby current: 1 nA

8-lead MSOP package

Improved 2^ndSource to LTC1864 and LTC1864L

AD7680

APPLICATIONS

GENERAL DESCRIPTION

Battery-powered equipment

Data acquisition

Instrumentation

Medical instruments

Process control

The AD7694 is a 16-bit, charge redistribution, successive

approximation, PulSAR™ analog-to-digital converter (ADC)

that operates from a single power supply, VDD, between 2.7 V

to 5.25 V. It contains a low power, high speed, 16-bit sampling

ADC with no missing codes (B grade), an internal conversion

clock, and a serial, SPI-compatible interface port. The part also

contains a low noise, wide bandwidth, short aperture delay

track-and-hold circuit. 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 up to the supply voltage.

Its power scales linearly with throughput.

The AD7694 is housed in an 8-lead MSOP package with an

operating temperature specified from −40°C to +85°C.

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 owners.

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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与AD7694相关器件

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AD7694_05	ADI	获取价格	16-Bit, 250 kSPS PulSAR ADC in MSOP
AD7694_17	ADI	获取价格	16-Bit, 250 kSPS PulSAR ADC in MSOP
AD7694ARM	ADI	获取价格	16-Bit, 250 kSPS PulSAR ADC in MSOP
AD7694ARMRL7	ADI	获取价格	16-Bit, 250 kSPS PulSAR ADC in MSOP
AD7694ARMZ	ADI	获取价格	16-Bit, 250 kSPS PulSAR ADC in MSOP
AD7694ARMZRL7	ADI	获取价格	16-Bit, 250 kSPS PulSARÂ® ADC in MSOP
AD7694BRM	ADI	获取价格	16-Bit, 250 kSPS PulSAR ADC in MSOP
AD7694BRMRL7	ADI	获取价格	16-Bit, 250 kSPS PulSAR ADC in MSOP
AD7694BRMZ	ADI	获取价格	16-Bit, 250 kSPS PulSARÂ® ADC in MSOP
AD7694BRMZRL7	ADI	获取价格	16-Bit, 250 kSPS PulSAR ADC in MSOP

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