Datasheet > AD7616BSTZ

AD7616BSTZ

更新时间： 2024-11-20 01:12:35

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
51页	1442K
描述
16-Channel DAS with 16-Bit, Bipolar Input, Dual Simultaneous Sampling ADC

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AD7616BSTZ 数据手册

16-Channel DAS with 16-Bit, Bipolar Input,

Dual Simultaneous Sampling ADC

Data Sheet

AD7616

FEATURES

APPLICATIONS

Power line monitoring

Protective relays

Multiphase motor control

Instrumentation and control systems

Data acquisition systems (DASs)

16-channel, dual, simultaneously sampled inputs

Independently selectable channel input ranges

True bipolar: 10 V, 5 V, 2.5 V

Single 5 V analog supply and 2.3 V to 3.6 V V_DRIVEsupply

Fully integrated data acquisition solution

Analog input clamp protection

Input buffer with 1 MΩ analog input impedance

First-order antialiasing analog filter

On-chip accurate reference and reference buffer

Dual 16-bit successive approximation register (SAR) ADC

Throughput rate: 2 × 1 MSPS

Oversampling capability with digital filter

Flexible sequencer with burst mode

Flexible parallel/serial interface

GENERAL DESCRIPTION

The AD7616 is a 16-bit, DAS that supports dual simultaneous

sampling of 16 channels. The AD7616 operates from a single 5 V

supply and can accommodate 10 V, 5 V, and 2.5 V true bipolar

input signals while sampling at throughput rates up to 1 MSPS

per channel pair with 90.5 dB SNR. Higher SNR performance can

be achieved with the on-chip oversampling mode (92 dB for an

oversampling ratio (OSR) of 2).

The input clamp protection circuitry can tolerate voltages up to

21 V. The AD7616 has 1 MΩ analog input impedance, regardless

of sampling frequency. The single-supply operation, on-chip

filtering, and high input impedance eliminate the need for

driver op amps and external bipolar supplies.

SPI/QSPI/MICROWIRE/DSP compatible

Optional cyclic redundancy check (CRC) error checking

Hardware/software configuration

Performance

92 dB SNR at 500 kSPS (2× oversampling)

90.5 dB SNR at 1 MSPS

The device contains analog input clamp protection, a dual, 16-bit

charge redistribution SAR analog-to-digital converter (ADC), a

flexible digital filter, a 2.5 V reference and reference buffer, and

high speed serial and parallel interfaces.

−103 dB THD

1 LSB INL (typical), 0.99 LSB DNL (maximum)

8 kV ESD rating on analog input channels

On-chip self detect function

The AD7616 is serial peripheral interface (SPI)/QSPI™/DSP/

MICROWIRE compatible

80-lead LQFP package

FUNCTIONAL BLOCK DIAGRAM

REFCAP REFINOUT REFSEL

REGCAPD

REGCAP

DRIVE

1MΩ

1.8V

V0A

2.5V

REF

CLAMP

ALDO

DLDO

FIRST-

V0AGND

ORDER LPF

1MΩ

9:1

MUX

SERIAL

SDOx/SDI

V7A

CLAMP

16-BIT

FIRST-

ORDER LPF

V7AGND

SER/PAR

SER1W

PARALLEL/

SAR

OSR

DIGITAL

FILTER

SERIAL

1MΩ

INTERFACE

16-BIT

SAR

V0B

CLAMP

PARALLEL

DB15 TO DB0

OS2 TO OS0

FIRST-

ORDER LPF

V0BGND

1MΩ

9:1

MUX

RESET

V7B

CLAMP

FIRST-

ORDER LPF

BURST

FLEXIBLE

SEQUENCER

V7BGND

1MΩ

SEQEN

CONTROL

INPUTS

HW_RNGSEL0, HW_RNGSEL1

CHSEL2 TO CHSEL0

BUSY

AD7616

CLK OSC

2:1

MUX

ALDO

CONVST

AGND

DGND

NOTES

1. MULTIFUNCTION PINS, SUCH AS DB15/OS2, ARE REFERRED TO BY A SINGLE FUNCTION OF THE PIN,

FOR EXAMPLE, DB15, WHEN ONLY THAT FUNCTION IS RELEVANT. REFER TO THE PIN CONFIGURATION

AND FUNCTION DESCRIPTIONS SECTION FOR MORE INFORMATION.

Figure 1.

Rev. 0

Document Feedback

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

rightsof third parties that may result fromits 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 andregisteredtrademarks 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

Technical Support

www.analog.com

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AD7616BSTZ 替代型号

型号	品牌	替代类型	描述	数据表
AD7616BSTZ-RL	ADI	完全替代	16-Channel DAS with 16-Bit, Bipolar Input, Dual Simultaneous Sampling ADC

与AD7616BSTZ相关器件

型号	品牌	获取价格	描述	数据表
AD7616BSTZ-RL	ADI	获取价格	16-Channel DAS with 16-Bit, Bipolar Input, Dual Simultaneous Sampling ADC
AD7616-P	ADI	获取价格	16-Channel DAS with 16-Bit, Bipolar Input, Dual Simultaneous Sampling ADC
AD7616-PBSTZ	ADI	获取价格	16-Channel DAS with 16-Bit, Bipolar Input, Dual Simultaneous Sampling ADC
AD7616-PBSTZ-RL	ADI	获取价格	16-Channel DAS with 16-Bit, Bipolar Input, Dual Simultaneous Sampling ADC
AD7617	ADI	获取价格	16-Channel DAS with 14-Bit, Bipolar Input, Dual Simultaneous Sampling ADC
AD7617BSTZ	ADI	获取价格	16-Channel DAS with 14-Bit, Bipolar Input, Dual Simultaneous Sampling ADC
AD7617BSTZ-RL	ADI	获取价格	16-Channel DAS with 14-Bit, Bipolar Input, Dual Simultaneous Sampling ADC
AD7621	ADI	获取价格	16-Bit, 1 LSB INL, 3 MSPS PulSAR ADC
AD7621_17	ADI	获取价格	16-Bit, 2 LSB INL, 3 MSPS PulSAR ADC
AD7621ACP	ADI	获取价格	16-Bit, 1 LSB INL, 3 MSPS PulSAR ADC

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