AD9641 Analog Devices, AD9641 Datasheet - Page 4

• Manufacturer Part Number: AD9641
• Description: 14-Bit, 80 MSPS/155 MSPS, 1.8 V Serial Output Analog-to-Digital Converter (ADC)
• Manufacturer: Analog Devices

Specifications of AD9641

• Resolution (bits): 14bit
• # Chan: 1
• Sample Rate: 80MSPS
• Interface: Ser
• Analog Input Type: Diff-Bip
• Ain Range: 1.75 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

AD9641
ADC AC SPECIFICATIONS
AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, 1.75 V p-p differential input, VIN = −1.0 dBFS differential input, DCS enabled,
unless otherwise noted.
Table 2.
Parameter
SIGNAL-TO-NOISE-RATIO (SNR)
SIGNAL-TO-NOISE AND DISTORTION (SINAD)
EFFECTIVE NUMBER OF BITS (ENOB)
WORST SECOND OR THIRD HARMONIC
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
WORST OTHER (HARMONIC OR SPUR)
TWO-TONE SFDR
ANALOG INPUT BANDWIDTH
1
2
See the
The analog input bandwidth parameter specifies the −3 dB input BW of the AD9641 input. The usable full-scale BW of the part with good performance is 250 MHz.
f
f
f
f
f
f
f
f
f
f
f
f
f
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
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
= 10 MHz
= 70 MHz
= 180 MHz
= 220 MHz
= 10 MHz
= 70 MHz
= 180 MHz
= 220 MHz
= 10 MHz
= 70 MHz
= 180 MHz
= 220 MHz
= 10 MHz
= 70 MHz
= 180 MHz
= 220 MHz
= 10 MHz
= 70 MHz
= 180 MHz
= 220 MHz
= 10 MHz
= 70 MHz
= 180 MHz
= 220 MHz
= 30 MHz (−7 dBFS ), 33 MHz (−7 dBFS )
= 169 MHz (−7 dBFS ), 172 MHz (−7 dBFS )
AN-835
1
Application Note, Understanding High Speed ADC Testing and Evaluation, for a complete set of definitions.
2
Temperature
25°C
25°C
25°C
Full
25°C
25°C
25°C
25°C
Full
25°C
25°C
25°C
25°C
25°C
25°C
25°C
25°C
Full
25°C
25°C
25°C
25°C
Full
25°C
25°C
25°C
25°C
Full
25°C
25°C
25°C
25°C
Rev. B | Page 4 of 36
Min
71.8
71.4
80
AD9641-80
Typ
73.8
73.7
72.6
71.3
73.7
73.6
72.5
71.2
12.0
11.9
11.8
11.5
−94
−94
−91
−90
94
94
91
90
−98
−98
−96
−90
93
89
780
Max
−80
−90
Min
69.8
68.7
80
AD9641-155
Typ
72.0
71.7
71.3
71.2
71.0
70.6
70.2
70.1
11.5
11.4
11.4
11.4
−91
−91
−90
−89
91
91
90
89
−96
−98
−94
−90
89
89
780
Data Sheet
Max
−80
−87
Unit
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
Bits
Bits
Bits
Bits
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
MHz