AD9255 Analog Devices, AD9255 Datasheet - Page 5

• Manufacturer Part Number: AD9255
• Description: 14-Bit, 125 MSPS/105 MSPS/80 MSPS, 1.8 V Analog-to-Digital Converter
• Manufacturer: Analog Devices

Specifications of AD9255

• Resolution (bits): 14bit
• # Chan: 1
• Sample Rate: 125MSPS
• Interface: LVDS,Par,SPI
• Analog Input Type: Diff-Uni
• Ain Range: (2Vref) p-p,1 V p-p,2 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

ADC AC SPECIFICATIONS
AVDD = 1.8 V, DRVDD = 1.8 V, SVDD = 1.8 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.0 V internal reference, 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)
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
Without Dither (AIN @ −23 dBFS)
With On-Chip Dither (AIN @ −23 dBFS)
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
f
f
f
f
f
f
f
f
= 2.4 MHz
= 70 MHz
= 140 MHz
= 200 MHz
= 2.4 MHz
= 70 MHz
= 140 MHz
= 200 MHz
= 2.4 MHz
= 70 MHz
= 140 MHz
= 200 MHz
= 2.4 MHz
= 70 MHz
= 140 MHz
= 200 MHz
= 2.4 MHz
= 70 MHz
= 140 MHz
= 200 MHz
IN
IN
IN
IN
IN
IN
IN
IN
= 2.4 MHz
= 70 MHz
= 140 MHz
= 200 MHz
= 2.4 MHz
= 70 MHz
= 140 MHz
= 200 MHz
1
Temp
25°C
25°C
Full
25°C
25°C
25°C
25°C
Full
25°C
25°C
25°C
Full
25°C
25°C
25°C
Full
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
25°C
25°C
25°C
Rev. A | Page 5 of 44
78.1
77.9
91
Min
AD9255BCPZ-80
79.2
78.9
78.0
76.9
78.7
78.7
76.8
75.8
12.8
12.8
12.5
12.3
−88
−94
−82
−81
88
94
82
81
102
103
104
102
110
110
110
110
Typ
−91
Max
2
77.6
77.3
88
Min
AD9255BCPZ-105
78.9
78.5
77.7
76.4
78.6
78.0
77.0
75.3
12.8
12.7
12.5
12.2
−90
−89
−86
−81
90
89
86
81
99
97
97
101
109
108
108
109
Typ
−88
Max
2
76.9
76.7
85
Min
AD9255BCPZ-125
78.3
78.3
77.1
75.5
78.0
78.0
76.7
74.3
12.7
12.7
12.4
12.0
−88
−93
−89
−80
88
93
89
80
96
99
98
97
108
109
109
109
Typ
−85
Max
AD9255
2
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
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS