AD7680

更新时间： 2024-11-28 21:55:31

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
11页	200K
描述
3mW, 100kSPS,16-Bit ADC in 6 Lead SOT-23

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AD7680 数据手册

PRELIMINARY TECHNICAL DATA

3mW, 100kSPS,

16-Bit ADC in 6 Lead SOT-23

AD7680

Preliminary Technical Data

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Fast Throughput Rate: 100kSPS

Specified for V_DDof 2.5 V to 5.25 V

Low Power:

2.5mW typ at 100kSPS with 3V Supplies

15mW typ at 100kSPS with 5V Supplies

Wide Input Bandwidth:

85dB SNR at 10kHz Input Frequency

Flexible Power/Serial Clock Speed Management

No Pipeline Delays

16-BIT SUCCESSIVE

APPROXIMATION

ADC

T/H

High Speed Serial Interface

AD7680

SPI/QSPI/µWire/DSP Compatible

Standby Mode: 0.5 µA max

SCLK

6-Lead SOT-23, and 8-Lead MSOP Packages

CONTROL LOGIC

SDATA

APPLICATIONS

Battery-Powered Systems

Personal Digital Assistants

Medical Instruments

GND

MobileCommunications

Instrumentation and Control Systems

Remote Data Acquisition Systems

High-SpeedModems

PRODUCT HIGHLIGHTS

1. First 16-Bit ADC in a SOT-23 package.

2. High Throughput with Low Power Consumption

Optical Sensors

3. Flexible Power/Serial Clock Speed Management

The conversion rate is determined by the serial clock

allowing the conversion time to be reduced through the

serial clock speed increase. This allows the average power

consumption to be reduced when a powerdown mode is

used while not converting. The part also features a shut-

down mode to maximize power efficiency at lower

throughput rates. Power consumption is 0.5µA max

when in shutdown.

GENERAL DESCRIPTION

The AD7680 is a 16-bit, fast, low power, successive-ap-

proximation ADC. The part operates from a single 2.5 V

to 5.25 V power supply and features throughput rates up

to 100kSPS. The part contains a low-noise, wide band-

width track/hold amplifier which can handle input fre-

quencies in excess of 100kHz.

4. Reference derived from the power supply.

5. No Pipeline Delay

The conversion process and data acquisition are controlled

using CS and the serial clock, allowing the devices to

interface with microprocessors or DSPs. The input signal

is sampled on the falling edge of CS and the conversion is

also initiated at this point. There are no pipelined delays

associated with the part.

The part features a standard successive-approximation

ADC with accurate control of the sampling instant via a

CS input and once off conversion control.

The AD7860 uses advanced design techniques to achieve

very low-power dissipation at fast throughput rates.

The reference for the part is taken internally from V_DD.

This allows the widest dynamic input range to the ADC.

Thus the analog input range for the part is 0 to V_DD. The

conversion rate is determined by the SCLK frequency.

REV. PrE 11/02

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

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

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

Analog Devices, Inc., 2002

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中文翻译

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与AD7680相关器件

型号	品牌	获取价格	描述	数据表
AD7680_11	ADI	获取价格	3 mW, 100 kSPS, 16-Bit ADC in 6-Lead SOT-23
AD7680ARJ-REEL7	ROCHESTER	获取价格	1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO6, MO-178AB, SOT-23, 6 PIN
AD7680ARJZ-REEL7	ADI	获取价格	3 mW, 100 kSPS, 16-Bit ADC in 6-Lead SOT-23
AD7680ARM	ADI	获取价格	3 mW, 100 kSPS, 16-Bit ADC in 6-Lead SOT-23
AD7680ARM-REEL	ADI	获取价格	3 mW, 100 kSPS, 16-Bit ADC in 6-Lead SOT-23
AD7680ARM-REEL7	ADI	获取价格	3 mW, 100 kSPS, 16-Bit ADC in 6-Lead SOT-23
AD7680ARMZ	ADI	获取价格	3 mW, 100 kSPS, 16-Bit ADC in 6-Lead SOT-23
AD7680BRJ	ADI	获取价格	IC 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO6, SOT-23, 6 PIN, Analog t
AD7680BRJ-REEL7	ROCHESTER	获取价格	1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO6, MO-178AB, SOT-23, 6 PIN
AD7680BRJZ-R2	ADI	获取价格	3 mW, 100 kSPS, 16-Bit ADC in 6-Lead SOT-23

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