AD7298BCPZ-RL7 datasheet(3/18 Pages) AD

Numer części	AD7298BCPZ-RL7

Szczegółowy opis	8-Channel, 1MSPS, 12-Bit SAR ADC with Temperature Sensor

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Producent	AD [Analog Devices]

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Preliminary Technical Data

AD7298

Rev. PrA | Page 3 of 18

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

LOGIC INPUTS

Input High Voltage, VINH

0.7 ×

VDRIVE

V

Input Low Voltage, VINL

+0.3 x

VDRIVE

V

Input Current, IIN

±0.01

±1

µA

VIN = 0 V or VDRIVE

Input Capacitance, CIN2

3

pF

LOGIC OUTPUTS

Output High Voltage, VOH

VDRIVE −

0.2

V

Output Low Voltage, VOL

0.4

V

Floating State Leakage Current

±0.01

±1

µA

Floating State Output Capacitance2

8

pF

TEMPERATURE SENSOR—INTERNAL

Operating Range

−40

+125

Accuracy

±1

±2

°C

TA = −40°C to +85°C

±2

±3

°C

TA = >85°C to 125°C

Resolution

0.25

°C

LSB size

CONVERSION RATE

Conversion Time

T2 + 16

× tSCL

1

μs

For VIN0 to VIN7, with one cycle Latency.

100

μs

TSENSE Channel

Track/Hold Acquisition Time2

TBD

ns

Full-scale step input

Throughput Rate

1

MSPS

fSCLK = 20 MHz, for analog voltage conversions,

one cycle Latency,

10

KSPS

For TSENSE channel, one cycle Latency

POWER REQUIREMENTS

Digital inputs = 0 V or VDRIVE

VDD

2.8

3

3.6

V

See

VDRIVE

1.65

3

3.6

V

ITOTAL5

VDD = 3.3V

Normal Mode (Operational)6

5

mA

Normal Mode (Static)

3

mA

Partial Power-Down Mode

TBD

mA

Full Power-Down Mode

5

60

μA

Power Dissipation

VDD = 3.3V

Normal Mode (Operational)

16.5

mW

Normal Mode (Static)

9.9

mW

Partial Power-Down Mode

TBD

mW

Full Power-Down Mode

1.65

μW

1 See the Terminology Section.

2 Sample tested during initial release to ensure compliance.

3 Refers to Pin

VREF specified for 25oC.

4 VREF variations from 2.5V will alter the gain error of the temperature sensor, oC per LSB, and a correction factor may be required, See Section X.

5 ITOTAL is the total current flowing in VDD and VDRIVE.

6 Current and power typical specifications are based on results with VDD = 3V and VDRIVE = 1.8V

Podobny numer części - AD7298BCPZ-RL7

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Analog Devices	AD7298BCPZ-RL7	452Kb / 25P	Temperature Sensor

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