AD9649 Analog Devices, AD9649 Datasheet - Page 5

• Manufacturer Part Number: AD9649
• Description: 14-Bit, 20/40/65/80 MSPS, 1.8 V Analog-to-Digital Converter
• Manufacturer: Analog Devices

Specifications of AD9649

• Resolution (bits): 14bit
• # Chan: 1
• Sample Rate: 80MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: 2 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

AC SPECIFICATIONS
AVDD = 1.8 V; DRVDD = 1.8 V, maximum sample rate, 2 V p-p differential input, 1.0 V internal reference; AIN = −1.0 dBFS, 50% duty
cycle clock, 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
See the AN-835 Application Note, Understanding High Speed ADC Testing and Evaluation, for a complete set of definitions.
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
= 9.7 MHz
= 30.5 MHz
= 70 MHz
= 200 MHz
= 9.7 MHz
= 30.5 MHz
= 70 MHz
= 200 MHz
= 9.7 MHz
= 30.5 MHz
= 70 MHz
= 200 MHz
= 9.7 MHz
= 30.5 MHz
= 70 MHz
= 200 MHz
= 9.7 MHz
= 30.5 MHz
= 70 MHz
= 200 MHz
= 9.7 MHz
= 30.5 MHz
= 70 MHz
= 200 MHz
= 30.5 MHz (−7 dBFS), 32.5 MHz (−7 dBFS)
1
Temp
25°C
25°C
Full
25°C
Full
25°C
25°C
25°C
Full
25°C
Full
25°C
25°C
25°C
25°C
25°C
25°C
25°C
Full
25°C
Full
25°C
25°C
25°C
Full
25°C
Full
25°C
25°C
25°C
Full
25°C
Full
25°C
25°C
25°C
Min
73.1
73.0
82
AD9649-20/AD9649-40
Rev. 0 | Page 5 of 32
Typ
74.7
74.4
73.7
71.5
74.6
74.3
73.6
70.0
12.0
12.0
11.9
11.3
−95
−95
−94
−80
95
94
93
80
−100
−100
−100
−95
90
700
Max
−82
−90
Min
73.6
73.5
83
AD9649-65
Typ
74.5
74.3
73.7
71.5
74.4
74.2
73.6
70.0
12.0
12.0
11.9
11.3
−95
−95
−94
−80
95
94
93
80
−100
−100
−100
−95
90
700
Max
−83
−90
Min
72.7
72.6
82
AD9649-80
Typ
74.3
74.1
73.6
71.5
74.1
74.0
73.5
70.0
12.0
12.0
11.9
11.3
−93
−93
−92
−80
93
93
92
80
−100
−100
−100
−95
90
700
Max
−82
−90
AD9649
Unit
dBFS
dBFS
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
dBc
dBc
MHz