AD7457BRT-R2 查看數據表（PDF） - Analog Devices

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AD7457BRT-R2

Low Power, Pseudo Differential, 100 kSPS 12-Bit ADC in an 8-Lead SOT-23

Analog Devices 

AD7457

Parameter

POWER REQUIREMENTS

VDD

IDD7, 8

During Conversion6

Normal Mode (Static)

Normal Mode (Operational)

Power-Down

Power Dissipation

Normal Mode (Operational)

Power-Down

Test Conditions/Comments

VDD = 4.75 V to 5.25 V

VDD = 2.7 V to 3.6 V

SCLK on or off

VDD = 4.75 V to 5.25 V

VDD= 2.7 V to 3.6 V

SCLK on or off

VDD = 5 V

VDD = 3 V

VDD = 5 V; SCLK on or off

VDD = 3 V; SCLK on or off

B Version1

2.7/5.25

1.5

1.2

0.5

0.7

0.33

1

3

0.9

5

3

Unit

V min/max

mA max

mA max

mA typ

mA max

mA max

µA max

mW max

mW max

µW max

µW max

1 Temperature range for B version: −40°C to +85°C.

2 See the Terminology section.

3 Analog inputs with slew rates exceeding 27 V/µs (full-scale input sine wave > 3.5 MHz) within the acquisition time may cause an incorrect result to be returned by the

converter.

4 A dc input is applied to VIN– to provide a pseudo ground for VIN+.

5 The AD7457 is functional with a reference input range of 100 mV to VDD.

6 Guaranteed by characterization.

7 See the Power Consumption section.

8 Measured with a full-scale dc input.

Rev. A | Page 4 of 20

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