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AD9225 Fiches technique(PDF) 2 Page - Analog Devices

No de pièce AD9225
Description  Complete 12-Bit, 25 MSPS Monolithic A/D Converter
Download  24 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD9225 Fiches technique(HTML) 2 Page - Analog Devices

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–2–
REV. A
AD9225–SPECIFICATIONS
Parameter
Min
Typ
Max
Units
RESOLUTION
12
Bits
MAX CONVERSION RATE
25
MHz
INPUT REFERRED NOISE
VREF = 1.0 V
0.35
LSB rms
VREF = 2.0 V
0.17
LSB rms
ACCURACY
Integral Nonlinearity (INL)
±1.0
±2.5
LSB
Differential Nonlinearity (DNL)
±0.4
±1.0
LSB
No Missing Codes
12
Bits Guaranteed
Zero Error (@ +25
°C)
±0.3
±0.6
% FSR
Gain Error (@ +25
°C)1
±0.5
±2.2
% FSR
Gain Error (@ +25
°C)2
±0.4
±1.7
% FSR
TEMPERATURE DRIFT
Zero Error
±2
ppm/
°C
Gain Error
1
±26
ppm/
°C
Gain Error
2
±0.4
ppm/
°C
POWER SUPPLY REJECTION
AVDD (+5 V
± 0.25 V)
±0.1
±0.35
% FSR
ANALOG INPUT
Input Span
2
V p-p
4
V p-p
Input (VINA or VINB) Range
0
V
AVDD
V
Input Capacitance
10
pF
INTERNAL VOLTAGE REFERENCE
Output Voltage (1 V Mode)
1.0
V
Output Voltage Tolerance (1 V Mode)
±5
±17
mV
Output Voltage (2.0 V Mode)
2.0
V
Output Voltage Tolerance (2.0 V Mode)
±10
±35
mV
Output Current (Available for External Loads)
1.0
mA
Load Regulation
3
1.0
3.4
mV
REFERENCE INPUT RESISTANCE
8
k
POWER SUPPLIES
Supply Voltages
AVDD
4.75
5
5.25
V (
±5% AVDD Operating)
DRVDD
2.85
5.25
V (
±5% DRVDD Operating)
Supply Currents
IAVDD
65
72.5
mA
IDRVDD
2.0
4.0
mA
POWER CONSUMPTION
External Reference
280
310
mW (VREF = 1 V)
335
373
mW (VREF = 2 V)
Internal Reference
290
mW (VREF = 1 V)
345
mW (VREF = 2 V)
NOTES
1Includes internal voltage reference error.
2Excludes internal voltage reference error.
3Load regulation with 1 mA load current (in addition to that required by the AD9225).
Specifications subject to change without notice.
(AVDD = +5 V, DRVDD = +5 V, fSAMPLE = 25 MSPS, VREF = 2.0 V, VINB = 2.5 V dc, TMIN to TMAX unless otherwise noted)
DC SPECIFICATIONS


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