AD9251BCPZ-20 Analog Devices Inc, AD9251BCPZ-20 Datasheet - Page 5
![no-image](/images/manufacturer_photos/0/0/57/analog_devices_inc_sml.jpg)
AD9251BCPZ-20
Manufacturer Part Number
AD9251BCPZ-20
Description
14 BIT DUAL 20/ Msps Low Power ADC
Manufacturer
Analog Devices Inc
Datasheet
1.AD9251BCPZRL7-20.pdf
(36 pages)
Specifications of AD9251BCPZ-20
Number Of Bits
14
Sampling Rate (per Second)
20M
Data Interface
Serial, SPI™
Number Of Converters
2
Power Dissipation (max)
77mW
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
64-LFCSP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AD9251BCPZ-20
Manufacturer:
MICRON
Quantity:
1 156
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,
DCS disabled, 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
CROSSTALK
ANALOG INPUT BANDWIDTH
1
2
See the
Crosstalk is measured at 100 MHz with −1.0 dBFS on one channel and no input on the alternate channel.
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)
AN-835
1
2
Application Note, Understanding High Speed ADC Testing and Evaluation, for a complete set of definitions.
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
Full
25°C
Min
73.6
73.4
81
AD9251-20/AD9251-40
Rev. A | Page 5 of 36
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
−98
−98
−98
−95
90
−110
700
Max
−81
−90
Min
73.6
73.4
81
AD9251-65
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
−98
−98
−98
−95
90
−110
700
Max
−81
−90
Min
72.5
72.4
81
AD9251-80
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
−97
−97
−96
−95
90
−110
700
Max
−81
−89
AD9251
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
dBc
MHz