AD9481 Analog Devices, AD9481 Datasheet - Page 4

• Manufacturer Part Number: AD9481
• Description: 8-Bit, 250 MSPS, 3.3 V A/D Converter
• Manufacturer: Analog Devices

Specifications of AD9481

• Resolution (bits): 8bit
• # Chan: 1
• Sample Rate: 250MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: (Vref) p-p,1 V p-p
• Adc Architecture: Pipelined
• Pkg Type: QFP

AD9481
DIGITAL SPECIFICATIONS
AVDD = 3.3 V, DRVDD = 3.3 V; T
clock inputs, unless otherwise noted.
Table 2.
Parameter
CLOCK AND DS INPUTS (CLK+, CLK−, DS+, DS−)
LOGIC INPUTS (PDWN, S1)
DIGITAL OUTPUTS
1
2
The common mode for CLOCK inputs can be externally set, such that 0.9 V < CLK ± < 2.6 V.
Capacitive loading only.
Differential Input
Common-Mode Voltage
Input Resistance
Input Capacitance
Logic 1 Voltage
Logic 0 Voltage
Logic 1 Input Current
Logic 0 input Current
Input Resistance
Input Capacitance
Logic 1 Voltage
Logic 0 Voltage
Output Coding
2
1
MIN
= −40°C, T
MAX
= +85°C, A
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Temp
Full
Full
Full
25°C
Full
Full
Full
Full
25°C
25°C
Full
Full
Full
IN
= −1 dBFS, full scale = 1.0 V, internal reference, differential analog and
Test Level
IV
VI
VI
V
IV
IV
VI
VI
V
V
VI
VI
IV
Min
200
1.38
4.2
2.0
DRVDD − 0.05
Twos complement or binary
AD9481-250
Typ
1.5
5.5
4
30
4
Max
1.68
6.0
0.8
±160
10
0.05
Unit
mV p-p
V
kΩ
pF
V
V
µA
µA
kΩ
pF
mV
V