AD7949 datasheet(4/28 Pages) AD

부품명	AD7949

상세설명	14-Bit, 8-Channel, 250 kSPS PulSAR ADC

Download	28 Pages

Scroll/Zoom	100%

제조업체	AD [Analog Devices]

홈페이지	http://www.analog.com

Logo

4 / 28 page

AD7949

Rev. A | Page 4 of 28

Parameter

Conditions/Comments

Min

Typ

Max

Unit

AC ACCURACY5

Dynamic Range

85.6

dB6

Signal-to-Noise

fIN = 20 kHz, VREF = 5 V

84.5

85.5

dB

fIN = 20 kHz, VREF = 4.096 V internal REF

85

dB

fIN = 20 kHz, VREF = 2.5 V internal REF

84

dB

SINAD

fIN = 20 kHz, VREF = 5 V

84

85

dB

fIN = 20 kHz, VREF = 5 V, −60 dB input

33.5

dB

fIN = 20 kHz, VREF = 4.096 V internal REF

85

dB

fIN = 20 kHz, VREF = 2.5 V internal REF

84

dB

Total Harmonic Distortion

fIN = 20 kHz

−100

dB

Spurious-Free Dynamic Range

fIN = 20 kHz

108

dB

Channel-to-Channel Crosstalk

fIN = 100 kHz on adjacent channel(s)

−125

dB

SAMPLING DYNAMICS

−3 dB Input Bandwidth

Selectable

0.425

1.7

MHz

Aperture Delay

VDD = 5 V

2.5

ns

INTERNAL REFERENCE

REF Output Voltage

2.5 V, @ 25°C

2.490

2.500

2.510

V

4.096 V, @ 25°C

4.086

4.096

4.106

V

REFIN Output Voltage7

2.5 V, @ 25°C

1.2

V

4.096 V, @ 25°C

2.3

V

REF Output Current

±300

μA

Temperature Drift

±10

ppm/°C

Line Regulation

VDD = 5 V ± 5%

±15

ppm/V

Long-Term Drift

1000 hours

50

ppm

Turn-On Settling Time

CREF = 10 μF

5

ms

EXTERNAL REFERENCE

Voltage Range

REF input

0.5

VDD + 0.3

V

REFIN input (buffered)

0.5

VDD − 0.2

V

Current Drain

250 kSPS, REF = 5 V

50

μA

TEMPERATURE SENSOR

Output Voltage8

@ 25°C

283

mV

Temperature Sensitivity

1

mV/°C

DIGITAL INPUTS

Logic Levels

VIL

−0.3

+0.3 × VIO

V

VIH

0.7 × VIO

VIO + 0.3

V

IIL

−1

+1

μA

IIH

−1

+1

μA

DIGITAL OUTPUTS

Data Format9

Pipeline Delay10

VOL

ISINK = +500 μA

0.4

V

VOH

ISOURCE = −500 μA

VIO − 0.3

V

유사한 부품 번호 - AD7949

제조업체	부품명	데이터시트	상세설명
Analog Devices	AD7949	1Mb / 20P	16-Bit, 8-Channel, 250 kSPS PulSAR짰 ADC. Rev. PrC
	AD7949	826Kb / 28P	16-Bit, 4-Channel/8-Channel, 250 kSPS PulSAR ADC REV. 0
	AD7949	542Kb / 28P	16-Bit, 8-Channel, 500 kSPS PulSAR ADC REV. 0
	AD7949	548Kb / 32P	14-Bit, 8-Channel, 250 kSPS PulSAR ADC REV. B
	AD7949	756Kb / 32P	14-Bit, 8-Channel, 250 kSPS PulSAR ADC

More results

유사한 설명 - AD7949

제조업체	부품명	데이터시트	상세설명
Analog Devices	AD7949	548Kb / 32P	14-Bit, 8-Channel, 250 kSPS PulSAR ADC REV. B
	AD7949	756Kb / 32P	14-Bit, 8-Channel, 250 kSPS PulSAR ADC
	EVAL-AD7689EDZ	1Mb / 32P	16-Bit, 4-Channel/8-Channel, 250 kSPS PulSAR ADC REV. D
	AD7682	826Kb / 28P	16-Bit, 4-Channel/8-Channel, 250 kSPS PulSAR ADC REV. 0
	AD7699	542Kb / 28P	16-Bit, 8-Channel, 500 kSPS PulSAR ADC REV. 0
	AD7942	555Kb / 24P	14-Bit, 250 kSPS PulSAR, Pseudo Differential ADC in MSOP/QFN REV. B
	AD7942	383Kb / 24P	14-Bit, 250 kSPS PulSAR, Pseudo Differential ADC in MSOP/LFCSP REV. C
	AD7694	348Kb / 16P	16-Bit, 250 kSPS PulSAR ADC in MSOP REV. A
	AD7685	542Kb / 29P	16-Bit, 250 kSPS PulSAR ADC in MSOP
	AD7694	360Kb / 17P	16-Bit, 250 kSPS PulSAR ADC in MSOP

More results

AD7949 데이터시트(PDF) 4 Page - Analog Devices

AD7949 데이터시트(HTML) 4 Page - Analog Devices

유사한 부품 번호 - AD7949

유사한 설명 - AD7949

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28

데이터시트 다운로드

링크 URL