AD7190 datasheet(3/21 Pages) AD

部件名	AD7190

功能描述	4.8 kHz Ultra-Low Noise 24-Bit Sigma-Delta ADC with PGA

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制造商	AD [Analog Devices]

网页	http://www.analog.com

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Preliminary Technical Data

AD7190

Rev.PrD 7/08 | Page 3

Parameter1

AD7190B

Unit

Test Conditions/Comments

Reference Voltage Range2

1

V min

AVDD

V max

The differential input must be limited to ± (AVDD –

1V)/gain when gain > 1

Absolute REFIN Voltage Limits2

GND – 50 mV

V min

AVDD + 50 mV

V max

Average Reference Input Current

6

µA/V typ

Average Reference Input Current

Drift

±0.03

nA/V/°C typ

Normal Mode Rejection2

Same as for analog

inputs

Common-Mode Rejection

100

dB typ

Reference Detect Levels

0.3

V min

0.5

V max

TEMPERATURE SENSOR

Accuracy

+2

°C typ

Applies after user-calibration at one temperature

Sensitivity

2800

codes/°C typ

LOW SIDE POWER SWITCH

RON

7

Ω max

AVDD = 5 V

9

Ω max

AVDD = 3 V

Allowable Current2

30

mA max

Continuous Current

BURNOUT CURRENTS

AIN Current

500

nA nom

DIGITAL OUTPUTS (P0 – P3)

VOH, Output High Voltage2

AVDD

− 0.6

V min

AVDD = 3V, ISOURCE = 100

µA

VOL, Output Low Voltage2

0.4

V max

AVDD = 3V, ISINK = 100

µA

VOH, Output High Voltage2

4

V min

AVDD = 5V, ISOURCE = 200

µA

VOL, Output Low Voltage2

0.4

V max

AVDD = 5V, ISINK = 800

µA

Floating-State Leakage Current

±10

µA max

Floating-State Output Capacitance

10

pF typ

INTERNAL/EXTERNAL CLOCK

Internal Clock

Frequency

4.92 + 4%

MHz min/max

Duty Cycle

50:50

% typ

External Clock/Crystal

Frequency

4.9152

MHz nom

2.4576/5.12

MHz min/max

VINL, Input Low Voltage

0.8

V max

DVDD = 5 V

0.4

V max

DVDD = 3 V

VINH, Input High Voltage

2.5

V min

DVDD = 3 V

3.5

V min

DVDD = 5 V

Input Current

±10

µA max

MCLKIN = DVDD or GND

LOGIC INPUTS

VT(+)

1.4/2

V min/V max

DVDD = 5 V

VT(

−)

0.8/1.7

V min/V max

DVDD = 5 V

VT(+)

− VT(−)

0.1/0.17

V min/V max

DVDD = 5 V

VT(+)

0.9/2

V min/V max

DVDD = 3 V

VT(

−)

0.4/1.35

V min/V max

DVDD = 3 V

VT(+)

− VT(−)

0.06/0.13

V min/V max

DVDD = 3 V

Input Currents

±10

µA max

VIN = DVDD or GND

LOGIC OUTPUT (DOUT/RDY)

VOH, Output High Voltage2

DVDD

− 0.6

V min

DVDD = 3 V, ISOURCE = 100 µA

VOL, Output Low Voltage2

0.4

V max

DVDD = 3 V, ISINK = 100 µA

VOH, Output High Voltage2

4

V min

DVDD = 5 V, ISOURCE = 200 µA

类似零件编号 - AD7190

制造商	部件名	数据表	功能描述
Analog Devices	AD7190	679Kb / 41P	4.8 kHz Ultralow Noise 24-Bit Sigma-Delta ADC
	AD7190BRUZ	749Kb / 40P	4.8 kHz Ultralow Noise 24-Bit Sigma-Delta ADC with PGA REV. 0
	AD7190BRUZ	679Kb / 41P	4.8 kHz Ultralow Noise 24-Bit Sigma-Delta ADC
	AD7190BRUZ-REEL	749Kb / 40P	4.8 kHz Ultralow Noise 24-Bit Sigma-Delta ADC with PGA REV. 0
	AD7190BRUZ-REEL	679Kb / 41P	4.8 kHz Ultralow Noise 24-Bit Sigma-Delta ADC

More results

类似说明 - AD7190

制造商	部件名	数据表	功能描述
Analog Devices	AD7190	749Kb / 40P	4.8 kHz Ultralow Noise 24-Bit Sigma-Delta ADC with PGA REV. 0
	AD7192	711Kb / 40P	4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA REV. A
	AD7193	767Kb / 56P	4-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA REV. A
	AD7194	1,002Kb / 56P	8-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA REV. 0
	AD7195	546Kb / 45P	4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA and AC Excitation
	AD7190	679Kb / 41P	4.8 kHz Ultralow Noise 24-Bit Sigma-Delta ADC
	AD7195	662Kb / 44P	4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA and AC Excitation REV. 0
	AD7193	1Mb / 57P	24-Bit Sigma-Delta ADC with PGA
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Intersil Corporation	ISL26102AVZ	909Kb / 21P	Low-Noise 24-bit Delta Sigma ADC October 12, 2012