ADS1120IRVAR datasheet(4/60 Pages) TI1

tên linh kiện	ADS1120IRVAR

Giải thích chi tiết về linh kiện	Low-Power, Low-Noise, 16-Bit, Analog-to-Digital Converter for Small-Signal Sensors

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ADS1120

SBAS535A – AUGUST 2013 – REVISED JANUARY 2014

www.ti.com

Electrical Characteristics (continued)

Minimum and maximum specifications are at TA = –40°C to +125°C. Typical specifications are at TA = +25°C.

All specifications are at AVDD = 3.3 V, AVSS = 0 V, DVDD = 3.3 V, PGA enabled, DR = 20 SPS, and external VREF = 2.5 V,

unless otherwise noted.

(1)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

EXCITATION CURRENT SOURCES (IDACs)

Current settings

50, 100, 250, 500, 1000, 1500

µA

Compliance voltage

All current settings

AVDD – 0.9

V

Accuracy

All current settings, each IDAC

–6%

±1%

6%

Current match

Between IDACs

±0.3%

Temperature drift

Each IDAC

50

ppm/°C

Temperature drift matching

Between IDACs

10

ppm/°C

CLOCK SOURCES

Internal oscillator accuracy

Normal mode

–2%

±1%

2%

Frequency range

0.5

4.096

4.5

MHz

External clock

Duty cycle

40%

60%

TEMPERATURE SENSOR

Conversion resolution

14

Bits

Temperature sensor resolution

Temperature resolution

0.03125

°C

TA = 0°C to +75°C

±0.25

°C

Temperature sensor accuracy

TA = –40°C to +125°C

±0.5

°C

vs analog supply voltage

0.0625

0.25

°C/V

LOW-SIDE POWER SWITCH

RON

On resistance

3.5

Ω

Current through switch

30

mA

DIGITAL INPUT/OUTPUT

VIH

High-level input voltage

0.7 DVDD

DVDD

V

VIL

Low-level input voltage

DGND

0.3 DVDD

V

VOH

High-level output voltage

IOH = 3 mA

0.8 DVDD

V

VOL

Low-level output voltage

IOL = 3 mA

0.2 DVDD

V

IH

Input leakage, high

VIH = 5.5 V

–10

10

µA

IL

Input leakage, low

VIL = DGND

–10

10

µA

4

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nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Texas Instruments	ADS1120IRVAR	2Mb / 57P	[Old version datasheet] Low-Power, Low-Noise, 16-Bit, Analog-to-Digital Converter for Small-Signal Sensors
Texas Instruments	ADS1120IRVAR	2Mb / 71P	[Old version datasheet] Low-Power, Low-Noise, 16-Bit ADC for Small-Signal Sensors

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Mô tả tương tự - ADS1120IRVAR

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Texas Instruments	ADS1120	2Mb / 57P	[Old version datasheet] Low-Power, Low-Noise, 16-Bit, Analog-to-Digital Converter for Small-Signal Sensors
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