AD7478 Analog Devices, AD7478 Datasheet - Page 6

• Manufacturer Part Number: AD7478
• Description: 8-Bit, 1 MSPS, Low Power Successive Approximation ADC Which Operates From A Single 2.35 V to 5.25 V Power Supply
• Manufacturer: Analog Devices

Specifications of AD7478

• Resolution (bits): 8bit
• # Chan: 1
• Sample Rate: 1MSPS
• Interface: Ser,SPI
• Analog Input Type: SE-Uni
• Ain Range: Uni Vdd
• Adc Architecture: SAR
• Pkg Type: SOT

AD7476/AD7477/AD7478
Parameter
POWER REQUIREMENTS
1
2
3
4
5
Temperature range for A version is −40°C to +85°C; temperature range for S version is −55°C to +125°C.
Operational from V
See the Terminology section.
Guaranteed by characterization.
See the Power vs. Throughput Rate section.
V
I
Full Power-Down Mode
Power Dissipation
DD
DD
Normal Mode (Static)
Normal Mode (Operational)
Normal Mode (Operational)
Full Power-Down
DD
= 2.0 V, with input high voltage, V
5
INH
= 1.8 V minimum.
A Version
2.7/5.25
2
1
3.5
1.6
1
80
17.5
4.8
5
Rev. F | Page 6 of 24
1,2
S Version
2.7/5.25
2
1
3.5
1.6
1
80
17.5
4.8
5
1,2
Unit
V min/max
mA typ
mA typ
mA max
mA max
μA max
μA max
mW max
mW max
μW max
Test Conditions/Comments
Digital I/Ps = 0 V or V
V
V
V
V
SCLK off
SCLK on
V
V
V
DD
DD
DD
DD
DD
DD
DD
= 4.75 V to 5.25 V; SCLK on or off
= 2.7 V to 3.6 V; SCLK on or off
= 4.75 V to 5.25 V; f
= 2.7 V to 3.6 V; f
= 5 V; f
= 3 V; f
= 5 V; SCLK off
SAMPLE
SAMPLE
= 1 MSPS
= 1 MSPS
SAMPLE
DD
SAMPLE
= 1 MSPS
= 1 MSPS