Datasheet > AD4116

AD4116

更新时间： 2024-10-15 02:52:23

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
59页	1046K
描述
Single Supply, 24-Bit, Sigma-Delta ADC with Â±10 V, 10 MÎ© Inputs and Buffered Low Level Inputs

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AD4116 数据手册

Single Supply, 24-Bit, Sigma-Delta ADC with ± ±0 V,

±0 MΩ Inputs and Buffered Low Level Inputs

Data Sheet

AD4±±6

On-chip 2.5 V reference

FEATURES

0.12% accuracy at 25°C, 5 ppm/°C (typical) drift

Internal or external clock

Power supplies

AVDD to AVSS = 4.5 V to 5.5 V

IOVDD to DGND = 2 V to 5.5 V

Total I_DD(AVDD + IOVDD) = 6.15 mA

Temperature range: −40°C to +105°C

3-wire or 4-wire serial digital interface (Schmitt trigger on SCLK)

SPI, QSPI, MICROWIRE, and DSP compatible

24-bit ADC with integrated analog front end

Fast and flexible output rate: 1.25 SPS to 62.5 kSPS

Channel scan data rate

12,422 SPS per channel (80 µs settling, sinc5 + sinc1)

20,618 SPS per channel (48 µs settling, sinc3)

85 dB rejection of 50 Hz and 60 Hz at 20 SPS per channel

10 V inputs, 6 differential or 11 single-ended

Pin absolute maximum rating: 65 V

Absolute input pin voltage up to 20 V

≥10 MΩ impedance

APPLICATIONS

Low level direct ADC input

Process control

PLC and DCS modules

Instrumentation and measurement

VREF inputs, 2 differential or 4 single-ended

Absolute input pin voltage, AVDD to AVSS

True rail-to-rail analog input buffers

FUNCTIONAL BLOCK DIAGRAM

AVDD REGCAPA

REF– REF+ REFOUT

IOVDD REGCAPD

BUFFERED

PRECISION

REFERENCE

1.8V

LDO

1.8V

LDO

VIN0

VIN1

INTERNAL

REFERENCE

VIN2

PRECISION

VOLTAGE

DIVIDER

VIN3

RAIL-TO-RAIL

VIN4

REFERENCE

VIN5

INPUT BUFFERS

VIN6

>10MΩ

VIN7

SCLK

VIN8

VIN9

SERIAL

INTERFACE

DIGITAL

FILTER

DIN

VIN10

VINCOM

Σ-Δ ADC

DOUT/RDY

MUX

VBIAS–

SYNC

ERROR

ADCIN11

ADCIN12

ADCIN13

ADCIN14

ADCIN15

CRYSTAL AND INTERNAL

CLOCK OSCILLATOR

CIRCUITRY

GPIO CONTROL

TEMPERATURE

SENSOR

AVSS

DGND

GPIO0 GPIO1 GPO2 GPO3

XTAL1

CLKIO/XTAL2

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

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 are the property of their respective owners.

One Analog Way, Wilmington, MA 01887, U.S.A.

Tel: 781-935-5565

Technical Support

www.analog.com

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