AD9257 Analog Devices, AD9257 Datasheet - Page 4

• Manufacturer Part Number: AD9257
• Description: Octal, 14-Bit, 40/65 MSPS Serial LVDS 1.8 V A/D Converter
• Manufacturer: Analog Devices

AD9257
AC SPECIFICATIONS
AVDD = 1.8 V, DRVDD = 1.8 V, 2 V p-p differential input, 1.0 V internal reference, AIN = −1.0 dBFS, unless otherwise noted.
Table 2.
Parameter
SIGNAL-TO-NOISE RATIO (SNR)
SIGNAL-TO-NOISE AND DISTORTION RATIO (SINAD)
EFFECTIVE NUMBER OF BITS (ENOB)
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
WORST HARMONIC (SECOND OR THIRD)
WORST OTHER (EXCLUDING SECOND OR THIRD)
TWO-TONE INTERMODULATION DISTORTION (IMD)—AIN1
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
f
f
f
f
f
AND AIN2 = −7.0 dBFS
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
IN
IN
IN
IN
IN
IN1
IN1
= 19.7 MHz
= 30.5 MHz
= 19.7 MHz
= 30.5 MHz
= 30.5 MHz
= 30.5 MHz
= 30.5 MHz
= 30.5 MHz
= 9.7 MHz
= 63.5 MHz
= 69.5 MHz
= 123.4 MHz
= 9.7 MHz
= 63.5 MHz
= 69.5 MHz
= 123.4 MHz
= 9.7 MHz
= 19.7 MHz
= 63.5 MHz
= 69.5 MHz
= 123.4 MHz
= 9.7 MHz
= 19.7 MHz
= 63.5 MHz
= 69.5 MHz
= 123.4 MHz
= 9.7 MHz
= 19.7 MHz
= 63.5 MHz
= 69.5 MHz
= 123.4 MHz
= 9.7 MHz
= 19.7 MHz
= 63.5 MHz
= 69.5 MHz
= 123.4 MHz
= 8 MHz, f
= 30 MHz, f
1
IN2
IN2
= 10 MHz
= 32 MHz
Rev. 0 | Page 4 of 40
Temp
25°C
Full
25°C
25°C
25°C
25°C
25°C
Full
25°C
25°C
25°C
25°C
25°C
Full
25°C
25°C
25°C
25°C
25°C
Full
25°C
25°C
25°C
25°C
25°C
Full
25°C
25°C
25°C
25°C
25°C
Full
25°C
25°C
25°C
25°C
25°C
25°C
Min
73.5
72.5
11.7
80
AD9257-40
Typ
75.9
75.8
75.7
74.7
74.8
74.7
74.6
73.5
12.1
12.1
12.1
11.9
97
95
97
87
−99
−96
−100
−87
−99
−99
−99
−98
95
Max
−80
−86
Min
73.3
72.0
11.7
79
AD9257-65
Typ
75.7
75.6
75.5
74.9
73.2
74.7
74.6
74.4
73.8
71.8
12.1
12.1
12.1
12.0
11.6
96
96
91
95
83
−99
−98
−91
−98
−83
−98
−98
−98
−98
−94
92
Data Sheet
Max
−79
−88
Unit
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
Bits
Bits
Bits
Bits
Bits
Bits
dBc
dBFS
dBFS
dBFS
dBFS
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBFS
dBFS