AD7453 datasheet(6/20 Pages) AD

부품명	AD7453

상세설명	Pseudo Differential, 555 kSPS, 12-Bit ADC in an 8-Lead SOT-23

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REV. 0

–6–

AD7453

PIN CONFIGURATION

PIN FUNCTION DESCRIPTIONS

Mnemonic

Function

VREF

Reference Input for the AD7453. An external reference in the range 100 mV to 3.5 V must be applied to this input.

The specified reference input is 2.5 V. This pin should be decoupled to GND with a capacitor of at least 0.1

mF.

VIN+

Noninverting Analog Input.

VIN–

Inverting Input. This pin sets the ground reference point for the VIN+ input. Connect to ground or to a dc offset to

provide a pseudo ground.

GND

Analog Ground. Ground reference point for all circuitry on the AD7453. All analog input signals and any external

reference signal should be referred to this GND voltage.

CS

Chip Select. Active low logic input. This input provides the dual function of initiating a conversion on the AD7453

and framing the serial data transfer.

SDATA

Serial Data. Logic output. The conversion result from the AD7453 is provided on this output as a serial data stream.

The bits are clocked out on the falling edge of the SCLK input. The data stream of the AD7453 consists of four

leading zeros followed by the 12 bits of conversion data that are provided MSB first. The output coding is straight

(natural) binary.

SCLK

Serial Clock. Logic input. SCLK provides the serial clock for accessing data from the part. This clock input is also

used as the clock source for the conversion process.

VDD

Power Supply Input. VDD is 2.7 V to 5.25 V. This supply should be decoupled to GND with a 0.1

mF capacitor

and a 10

mF tantalum capacitor.

8-Lead SOT-23

1

AD7453

TOP VIEW

(Not to Scale)

VDD

VREF

8

2

SCLK

VIN+

7

3

CS

VIN–

6

4

SDATA

GND

5

유사한 부품 번호 - AD7453

제조업체	부품명	데이터시트	상세설명
Analog Devices	AD7453	424Kb / 21P	Pseudo Differential, 555 kSPS 12-Bit ADC in an 8-Lead SOT-23
	AD7453ART-REEL7	531Kb / 20P	Pseudo Differential, 555 kSPS 12-Bit ADC in an 8-Lead SOT-23 REV. B
	AD7453ART-REEL7	424Kb / 21P	Pseudo Differential, 555 kSPS 12-Bit ADC in an 8-Lead SOT-23
	AD7453BRT-R2	531Kb / 20P	Pseudo Differential, 555 kSPS 12-Bit ADC in an 8-Lead SOT-23 REV. B
	AD7453BRT-R2	424Kb / 21P	Pseudo Differential, 555 kSPS 12-Bit ADC in an 8-Lead SOT-23

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유사한 설명 - AD7453

제조업체	부품명	데이터시트	상세설명
Analog Devices	AD7453BRTZ-REEL7	531Kb / 20P	Pseudo Differential, 555 kSPS 12-Bit ADC in an 8-Lead SOT-23 REV. B
	AD7453	424Kb / 21P	Pseudo Differential, 555 kSPS 12-Bit ADC in an 8-Lead SOT-23
	AD7452	639Kb / 25P	Differential Input, 555 kSPS 12-Bit ADC in an 8-Lead SOT-23
	AD7452	659Kb / 28P	Differential Input, 555 kSPS 12-Bit ADC in an 8-Lead SOT-23 REV. B
	AD7452	734Kb / 29P	Differential Input, 555 kSPS 12-Bit ADC in an 8-Lead SOT-23 REV. B
	AD7457	343Kb / 21P	Low Power, Pseudo Differential, 100 kSPS 12-Bit ADC in an 8-Lead SOT-23
	AD7457	524Kb / 21P	Low Power, Pseudo Differential, 100 kSPS 12-Bit ADC in an 8-Lead SOT-23 REV. A
	AD7457BRT	491Kb / 21P	Low Power, Pseudo Differential, 100 kSPS 12-Bit ADC in an 8-Lead SOT-23 REV. A
	AD7457	509Kb / 20P	Low Power, Pseudo Differential, 100 kSPS 12-Bit ADC in an 8-Lead SOT-23 REV. 0
	AD7441	629Kb / 24P	Pseudo Differential Input, 1 MSPS, 10-/12-Bit ADCs in an 8-Lead SOT-23 Rev. D

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AD7453 데이터시트(PDF) 6 Page - Analog Devices

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유사한 부품 번호 - AD7453

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