AD7686BRM

更新时间： 2024-10-28 12:36:11

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
28页	611K
描述
16-Bit, 500 kSPS PulSAR ADC in MSOP/QFN

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AD7686BRM 数据手册

16-Bit, 500 kSPS PulSAR

ADC in MSOP/QFN

AD7686

FUNCTIONAL BLOCK DIAGRAM

FEATURES

0.5V TO 5V

16-bit resolution with no missing codes

Throughput: 500 kSPS

INL: 0.6 LSB typical, 2 LSB maximum ( 0.003% of FSR)

SINAD: 92.5 dB @ 20 kHz

THD: −110 dB @ 20 kHz

Pseudo differential analog input range

0 V to V_REFwith V_REFup to VDD

VIO

SDI

1.8V TO VDD

REF VDD

0 TO VREF

IN+

IN–

SCK

SDO

CNV

AD7686

3- OR 4-WIRE INTERFACE

(SPI, DAISY CHAIN, CS)

GND

No pipeline delay

Single-supply 5 V operation with

1.8 V/2.5 V/3 V/5 V logic interface

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

Daisy-chain multiple ADCs and busy indicator

Power dissipation

3.75 μW @ 5 V/100 SPS

3.75 mW @ 5 V/100 kSPS

Standby current: 1 nA

Figure 2.

Table 1. MSOP, QFN (LFCSP)/SOT-23

14-/16-/18-Bit PulSAR ADC

400 kSPS

500 kSPS kSPS

100

kSPS

250

1000

ADC

Driver

Type

kSPS

18-Bit True

Differential

16-Bit True

Differential

AD7691 AD7690

AD7982

AD7982 ADA4941

ADA4841

10-lead MSOP (MSOP-8 size) and

3 mm × 3 mm, 10-lead QFN (LFCSP) (SOT-23 size)

Pin-for-pin-compatible with 10-lead MSOP/QFN PulSAR® ADCs

AD7684 AD7687 AD7688

AD7693

ADA4941

ADA4841

16-Bit Pseudo AD7680 AD7685 AD7686

Differential AD7683 AD7694

AD7980 ADA4841

APPLICATIONS

Battery-powered equipment

Data acquisitions

14-Bit Pseudo AD7940 AD7942 AD7946

Differential

ADA4841

Instrumentation

Medical instruments

Process controls

GENERAL DESCRIPTION

The AD7686 is a 16-bit, charge redistribution, successive

approximation, analog-to-digital converter (ADC) that operates

from a single 5 V power supply, VDD. It contains a low power,

high speed, 16-bit sampling ADC with no missing codes, an

internal conversion clock, and a versatile serial interface port.

The part also contains a low noise, wide bandwidth, short

aperture delay track-and-hold circuit. On the CNV rising edge,

the AD7686 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.

2.0

POSITIVE INL = +0.52LSB

NEGATIVE INL = –0.38LSB

1.5

1.0

0.5

–0.5

–1.0

Power dissipation scales linearly with throughput.

The SPI-compatible serial interface also features the ability,

using the SDI input, to daisy-chain several ADCs on a single,

3-wire bus or provides an optional busy indicator. This device is

compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic, using the separate

supply VIO.

–1.5

–2.0

16384

32768

CODE

49152

65535

Figure 1. Integral Nonlinearity vs. Code

The AD7686 is housed in a 10-lead MSOP or a 10-lead QFN

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

Rev. B

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 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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AD7686BRM 替代型号

型号	品牌	替代类型	描述	数据表
AD7686CRMRL7	ADI	完全替代	16-Bit, 500 kSPS PulSAR ADC in MSOP/QFN
AD7686CRM	ADI	完全替代	16-Bit, 500 kSPS PulSAR ADC in MSOP/QFN
AD7688BRMRL7	ADI	完全替代	16-Bit, 1.5 LSB INL, 500 kSPS PulSAR Differential ADC in MSOP/QFN

与AD7686BRM相关器件

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AD7686BRMRL2	ADI	获取价格	IC 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO10, MO-187BA, MSOP-10, Ana
AD7686BRMRL7	ADI	获取价格	16-Bit, 500 kSPS PulSAR ADC in MSOP/QFN
AD7686BRMZ	ADI	获取价格	16-Bit, 500 kSPS PulSAR ADC in MSOP
AD7686BRMZ1	ADI	获取价格	16-Bit, 500 kSPS PulSAR ADC in MSOP/QFN
AD7686BRMZRL7	ADI	获取价格	500 kSPS 16-BIT PulSAR® A/D Converter in MSOP/QFN
AD7686BRMZRL71	ADI	获取价格	16-Bit, 500 kSPS PulSAR ADC in MSOP/QFN
AD7686CB2	ADI	获取价格	16-Bit, 500 kSPS PulSAR ADC in MSOP/QFN
AD7686CBZ1	ADI	获取价格	16-Bit, 500 kSPS PulSAR ADC in MSOP/QFN
AD7686CCPZRL	ADI	获取价格	16-Bit, 500 kSPS PulSAR ADC in MSOP
AD7686CCPZRL1	ADI	获取价格	16-Bit, 500 kSPS PulSAR ADC in MSOP/QFN

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