AD9649BCPZ-20 Analog Devices Inc, AD9649BCPZ-20 Datasheet - Page 5

• Manufacturer Part Number: AD9649BCPZ-20
• Description: IC ADC 14BIT 20MSPS 32LFCSP
• Manufacturer: Analog Devices Inc

Specifications of AD9649BCPZ-20

• Data Interface: Serial, SPI™
• Number Of Bits: 14
• Sampling Rate (per Second): 20M
• Number Of Converters: 1
• Power Dissipation (max): 51.8mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-VFQFN, CSP Exposed Pad
• Resolution (bits): 14bit
• Sampling Rate: 20MSPS
• Input Channel Type: Differential
• Supply Voltage Range - Analog: 1.7V To 1.9V
• Supply Voltage Range - Digital: 1.7V To 3.6V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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