AD9481 Analog Devices, AD9481 Datasheet - Page 5

• 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

AC SPECIFICATIONS
AVDD = 3.3 V, DRVDD = 3.3 V; T
clock inputs, unless otherwise noted.
Table 3.
Parameter
SIGNAL-TO-NOISE RATIO (SNR)
SIGNAL-TO-NOISE AND DISTORTION (SINAD)
EFFECTIVE NUMBER OF BITS (ENOB)
WORST SECOND OR THIRD HARMONIC DISTORTION
WORST OTHER
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
TWO-TONE INTERMODULATION DISTORTION (IMD)
1
DC and Nyquist bin energy ignored.
f
f
f
f
f
f
f
f
f
f
f
f
f
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN1
= 19.7 MHz
= 70.1 MHz
= 19.7 MHz
= 70.1 MHz
= 19.7 MHz
= 70.1 MHz
= 19.7 MHz
= 70.1 MHz
= 19.7 MHz
= 70.1 MHz
= 19.7 MHz
= 70.1 MHz
= 69.3 MHz, f
IN2
= 70.3 MHz
MIN
= −40°C, T
1
MAX
= +85°C, A
Rev. 0 | Page 5 of 28
IN
= −1 dBFS, full scale = 1.0 V, internal reference, differential analog and
Temp
25°C
25°C
25°C
25°C
25°C
25°C
25°C
25°C
25°C
25°C
25°C
25°C
25°C
Test Level
V
I
V
I
V
I
V
I
V
I
V
I
V
Min
44.5
44.4
7.2
AD9481-250
Typ
46
45.7
45.9
45.7
7.5
7.5
−64.8
−64.8
−68
−65.8
−64.8
−64.8
−64.9
Max
−54
−56
−54
AD9481
Unit
dB
dB
dB
dB
Bits
Bits
dBc
dBc
dBc
dBc
dBc
dBc
dBc