AD9643 Analog Devices, AD9643 Datasheet - Page 4

• Manufacturer Part Number: AD9643
• Description: 14-Bit, 170/210/250 MSPS, 1.8 V Dual Analog-to-Digital Converter (ADC)
• Manufacturer: Analog Devices

Specifications of AD9643

• Resolution (bits): 14bit
• # Chan: 2
• Sample Rate: 250MSPS
• Interface: LVDS,Par
• Analog Input Type: Diff-Bip
• Ain Range: 1.75 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

AD9643
ADC AC SPECIFICATIONS
AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.75 V p-p full-scale input range, unless
otherwise noted.
Table 2.
Parameter
SIGNAL-TO-NOISE-RATIO (SNR)
SIGNAL-TO-NOISE AND DISTORTION
EFFECTIVE NUMBER OF BITS (ENOB)
WORST SECOND OR THIRD HARMONIC
SPURIOUS-FREE DYNAMIC RANGE
WORST OTHER (HARMONIC OR SPUR)
TWO-TONE SFDR
(SINAD)
(SFDR)
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
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
IN
IN
IN
IN
IN
= 30 MHz
= 90 MHz
= 140 MHz
= 185 MHz
= 220 MHz
= 30 MHz
= 90 MHz
= 140 MHz
= 185 MHz
= 220 MHz
= 30 MHz
= 90 MHz
= 140 MHz
= 185 MHz
= 220 MHz
= 30 MHz
= 90 MHz
= 140 MHz
= 185 MHz
= 220 MHz
= 30 MHz
= 90 MHz
= 140 MHz
= 185 MHz
= 220 MHz
= 30 MHz
= 90 MHz
= 140 MHz
= 185 MHz
= 220 MHz
= 184.12 MHz (−7 dBFS ), 187.12
MHz (−7 dBFS )
1
Temperature
25°C
25°C
Full
25°C
25°C
Full
25°C
25°C
25°C
Full
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
Full
25°C
25°C
25°C
Full
25°C
25°C
Full
25°C
25°C
25°C
Full
25°C
25°C
Full
25°C
25°C
Min
70.4
70.4
78
AD9643-170
Rev. B | Page 4 of 36
Typ
72.2
72.0
71.8
71.4
71.1
71.2
71.0
70.8
70.4
70.1
11.5
11.5
11.5
11.4
11.4
−95
−92
−88
−83
−83
95
92
88
83
83
−98
−97
−97
−96
−94
88
Max
−78
−78
Min
69.9
69.9
80
AD9643-210
Typ
72.2
72.0
71.6
71.2
70.9
71.2
71.0
70.6
70.2
69.9
11.5
11.5
11.5
11.4
11.3
−90
−90
−88
−87
−85
90
90
88
87
85
−95
−95
−93
−92
−90
88
Max
−80
−80
Min
68.8
67.5
80
AD9643-250
Typ
72.0
71.7
71.4
70.9
70.5
71.0
70.7
70.4
69.9
69.5
11.5
11.5
11.4
11.3
11.3
−90
−88
−86
−85
−85
90
88
86
85
85
−94
−93
−92
−92
−88
88
Data Sheet
Max
−80
−80
Unit
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
Bits
Bits
Bits
Bits
Bits
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc