AD9248 Analog Devices, AD9248 Datasheet - Page 4
AD9248
Manufacturer Part Number
AD9248
Description
Dual 14-Bit, 20/40/65 MSPS, 3 V Analog-to-Digital Converter
Manufacturer
Analog Devices
Datasheet
1.AD9248.pdf
(48 pages)
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
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AD9248
Parameter
MATCHING CHARACTERISTICS
1
2
3
4
5
Gain error and gain temperature coefficient are based on the ADC only (with a fixed 1.0 V external reference).
Measured at maximum clock rate with a low frequency sine wave input and approximately 5 pF loading on each output bit.
Input capacitance refers to the effective capacitance between one differential input pin and AVSS. Refer to Figure
Measured with dc input at maximum clock rate.
Standby power is measured with the CLK_A and CLK_B pins inactive (that is, set to AVDD or AGND).
Offset Error
(Nonshared Reference Mode)
Offset Error
(Shared Reference Mode)
Gain Error
(Nonshared Reference Mode)
Gain Error
(Shared Reference Mode)
Temp
25°C
25°C
25°C
25°C
Test
Level
I
I
I
I
Min
AD9248BST/BCP-20
Rev. B | Page 4 of 48
Typ
±0.19
±0.19
±0.07
±0.01
Max
±1.56
±1.56
±1.43
±0.06
Min
AD9248BST/BCP-40
Typ
±0.19
±0.19
±0.07
±0.01
29
for the equivalent analog input structure.
Max
±1.56
±1.56
±1.43
±0.06
Min
AD9248BST/BCP-65
Typ
±0.25
±0.25
±0.07
±0.01
±1.74
±1.74
±1.47
±0.10
Max
Unit
% FSR
% FSR
% FSR
% FSR