AD9231BCPZ-20 Analog Devices Inc, AD9231BCPZ-20 Datasheet - Page 5

• Manufacturer Part Number: AD9231BCPZ-20
• Description: 12 Bit, 20 MSPS Dual Low Power ADC
• Manufacturer: Analog Devices Inc

Specifications of AD9231BCPZ-20

• Number Of Bits: 12
• Sampling Rate (per Second): 20M
• Data Interface: Serial, SPI™
• Number Of Converters: 2
• Power Dissipation (max): 73.3mW
• 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

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 AN-835 Application Note, Understanding High Speed ADC Testing and Evaluation, for a complete set of definitions.
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
= 28.3 MHz (−7 dBFS), 30.6 MHz (−7 dBFS)
1
2
25°C
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
Min
70.1/70.7
70.1/70.6
81
AD9231-20/AD9231-40
Rev. A | Page 5 of 36
−92/−94
−97/−98
−97/−98
Typ
70.7/71.5
70.6/71.3
70.5/71.0
69.0
70.6/71.4
70.6/71.2
70.4/70.9
68
11.4/11.6
11.4/11.5
11.4/11.5
11.0
−95
−95
−83
95
95
92/94
83
−98
−92
90
−110
700
Max
−81
−90
Min
70.5
70.0
81
AD9231-65
Typ
71.4
71.3
71.0
69.0
71.3
71.2
70.9
68
11.6
11.5
11.5
11.0
−95
−95
−94
−83
95
95
94
83
−98
−98
−98
−92
90
−110
700
Max
−81
−90
Min
70.1
70.0
81
AD9231-80
Typ
71.3
71.2
70.9
69.0
71.2
71.1
70.8
68
11.5
11.5
11.5
11.0
−93
−93
−92
−83
93
93
92
83
−97
−97
−95
−92
90
−110
700
AD9231
Max
−81
−89
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