AD9248 Analog Devices, AD9248 Datasheet - Page 5

• Manufacturer Part Number: AD9248
• Description: Dual 14-Bit, 20/40/65 MSPS, 3 V Analog-to-Digital Converter
• Manufacturer: Analog Devices

Specifications of AD9248

• Resolution (bits): 14bit
• # Chan: 2
• Sample Rate: 65MSPS
• Interface: Par
• Analog Input Type: Diff-Uni,SE-Uni
• Ain Range: 1 V p-p,2 V p-p,Uni 1.0V,Uni 2.0V
• Adc Architecture: Pipelined
• Pkg Type: QFP

AC SPECIFICATIONS
AVDD = 3 V, DRVDD = 2.5 V, maximum sample rate, CLK_A = CLK_B; A
T
Table 2.
Parameter
SIGNAL-TO-NOISE RATIO (SNR)
SIGNAL-TO-NOISE AND DISTORTION
EFFECTIVE NUMBER OF BITS (ENOB)
WORST HARMONIC (SECOND or THIRD)
MIN
f
f
f
f
f
RATIO (SINAD)
f
f
f
f
f
f
f
f
f
f
f
f
f
f
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
to T
= 2.4 MHz
= 19.6 MHz
= 35 MHz
= 100 MHz
= 2.4 MHz
= 9.7 MHz
= 19.6 MHz
= 35 MHz
= 100 MHz
= 2.4 MHz
= 9.7 MHz
= 19.6 MHz
= 35 MHz
= 100 MHz
= 2.4 MHz
= 9.7 MHz
= 19.6 MHz
= 35 MHz
= 9.7 MHz
MAX
, DCS Enabled, unless otherwise noted.
Temp
Full
25°C
Full
25°C
Full
25°C
Full
25°C
25°C
Full
25°C
Full
25°C
Full
25°C
Full
25°C
25°C
Full
25°C
Full
25°C
Full
25°C
Full
25°C
25°C
Full
25°C
Full
25°C
Full
25°C
Full
25°C
Test
Level
V
IV
V
IV
V
IV
V
IV
V
V
IV
V
IV
V
IV
V
IV
V
V
IV
V
IV
V
IV
V
IV
V
V
IV
V
I
V
I
V
I
Rev. B | Page 5 of 48
Min
73.1
72.4
72.2
70.9
11.7
11.5
77.5
76.1
AD9248BST/BCP-20
Typ
73.4
73.7
72.9
73.1
70
73.0
73.2
72.0
72.2
69.5
11.8
11.8
11.7
11.7
11.3
86.0
87.5
83.0
84.0
IN
= −0.5 dBFS differential input, 1.0 V external reference,
Max
Min
72.8
72.3
72.0
71.0
11.7
11.5
77.5
76.0
AD9248BST/BCP-40
Typ
73.1
73.4
72.7
72.9
69.5
72.8
73.0
72.1
72.3
69.0
11.8
11.8
11.7
11.7
11.2
85.0
86.0
83.0
84.0
Max
Min
72.3
71.2
71.7
70.0
11.6
11.3
77.5
73.0
AD9248BST/BCP-65
Typ
72.8
73.1
71.5
71.6
69.0
72.5
72.7
70.9
71.0
68.5
11.8
11.8
11.5
11.5
11.2
84.0
86.0
80.0
80.5
AD9248
Max
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Bits
Bits
Bits
Bits
Bits
Bits
Bits
Bits
Bits
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc