ADS866x datasheet(7/71 Pages) TI1

Part #	ADS866x

Description	12-Bit, High-Speed, Single-Supply, SAR ADC Data Acquisition System with Programmable, Bipolar Input Ranges

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Manufacturer	TI1 [Texas Instruments]

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ADS8661, ADS8665

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SBAS780 – DECEMBER 2016

Product Folder Links: ADS8661 ADS8665

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Electrical Characteristics (continued)

all minimum and maximum specifications are at TA = –40°C to +125°C; typical specifications are at TA = 25°C; AVDD = 5 V,

DVDD = 3.3 V, VREF = 4.096 V (internal), and maximum throughput (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

POWER-SUPPLY REQUIREMENTS

AVDD

Analog power-supply voltage

4.75

5

5.25

V

DVDD

Digital power-supply voltage

Operating range

1.65

3.3

AVDD

Supply range for specified performance

2.7

3.3

AVDD

IAVDD_DYN

Analog supply current,

device converting at maximum

throughput

Internal

reference

ADS8661

7

9

mA

ADS8665

4.9

6.5

External

reference

ADS8661

5.8

7.25

ADS8665

3.7

4.5

IAVDD_STC

Analog supply current,

device not converting

Internal reference

2.9

4

mA

External reference

1.7

2.25

IAVDD_STDBY

Analog supply current,

device in STANDBY mode

Internal reference

2.8

mA

External reference

1.6

IAVDD_PD

Analog supply current,

device in PD mode

Internal reference

10

μA

External reference

10

IDVDD_DYN

Digital supply current,

maximum throughput

0.2

0.25

mA

IDVDD_STDBY

Digital supply current,

device in STANDBY mode

1

μA

IDVDD_PD

Digital supply current,

device in PD mode

1

μA

DIGITAL INPUTS (CMOS)

VIH

Digital high input voltage logic level

DVDD > 2.35 V

0.7 ×

DVDD

DVDD +

0.3

V

DVDD

≤ 2.35 V

0.8 ×

DVDD

DVDD +

0.3

VIL

Digital low input voltage logic level

DVDD > 2.35 V

–0.3

0.3 ×

DVDD

V

DVDD

≤ 2.35 V

–0.3

0.2 ×

DVDD

Input leakage current

100

nA

Input pin capacitance

5

pF

DIGITAL OUTPUTS (CMOS)

VOH

Digital high output voltage logic level

IO = 500-μA source

0.8 ×

DVDD

V

VOL

Digital low output voltage logic level

IO = 500-μA sink

0

0.2 ×

DVDD

V

Floating state leakage current

Only for digital output pins

1

µA

Internal pin capacitance

5

pF

TEMPERATURE RANGE

TA

Operating free-air temperature

–40

125

°C

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