Datasheet

AD9484
Rev. A | Page 3 of 24
SPECIFICATIONS
DC SPECIFICATIONS
AVDD = 1.8 V, DRVDD = 1.8 V, T
MIN
= −40°C, T
MAX
= +85°C, f
IN
= −1.0 dBFS, full scale = 1.5 V, unless otherwise noted.
Table 1.
Parameter
1
Temp Min Typ Max Unit
RESOLUTION 8 Bits
ACCURACY
No Missing Codes Full Guaranteed
Offset Error 25°C 0 mV
Full −3.0 +3.0 mV
Gain Error 25°C 1.0 % FS
Full −5.0 +7.0 % FS
Differential Nonlinearity (DNL) 25°C ±0.13 LSB
Full −0.25 +0.25 LSB
Integral Nonlinearity (INL) 25°C ±0.1 LSB
Full −0.15 +0.15 LSB
INTERNAL REFERENCE
VREF Full 0.71 0.75 0.78 V
TEMPERATURE DRIFT
Offset Error Full 18 μV/°C
Gain Error Full 0.07 %/°C
ANALOG INPUTS (VIN+, VIN−)
Differential Input Voltage Range
2
Full 1.18 1.5 1.6 V p-p
Input Common-Mode Voltage Full 1.7 V
Input Resistance (Differential) Full 1 kΩ
Input Capacitance (Differential) Full 1.3 pF
POWER SUPPLY
AVDD Full 1.75 1.8 1.9 V
DRVDD Full 1.75 1.8 1.9 V
Supply Currents
I
AVDD
3
Full 283 300 mA
I
DRVDD
3
/SDR Mode
4
Full 89 100 mA
Power Dissipation
SDR Mode
4
Full 670 720 mW
Standby Mode Full 40 50 mW
Power-Down Mode Full 2.5 7 mW
1
See the AN-835 Application Note, Understanding High Speed ADC Testing and Evaluation, for a complete set of definitions and how these tests were completed.
2
The input range is programmable through the SPI, and the range specified reflects the nominal values of each setting. See the section. Memory Map
3
I
AVDD
and I
DRVDD
are measured with a −1 dBFS, 10.3 MHz sine input at a rated sample rate.
4
Single data rate mode; this is the default mode of the AD9484.