參數(shù)資料
型號(hào): AD9225-EB
廠商: Analog Devices, Inc.
英文描述: Complete 12-Bit, 25 MSPS Monolithic A/D Converter
中文描述: 完整的12位,25 MSPS的單片機(jī)的A / D轉(zhuǎn)換器
文件頁(yè)數(shù): 2/24頁(yè)
文件大小: 321K
代理商: AD9225-EB
–2–
REV. A
AD9225–SPECIFICATIONS
DC SPECIFICATIONS
Parameter
Min
Typ
Max
Units
RESOLUTION
12
Bits
MAX CONVERSION RATE
25
MHz
INPUT REFERRED NOISE
VREF = 1.0 V
VREF = 2.0 V
0.35
0.17
LSB rms
LSB rms
ACCURACY
Integral Nonlinearity (INL)
Differential Nonlinearity (DNL)
No Missing Codes
Zero Error (@ +25
°
C)
Gain Error (@ +25
°
C)
1
Gain Error (@ +25
°
C)
2
±
1.0
±
0.4
12
±
0.3
±
0.5
±
0.4
±
2.5
±
1.0
LSB
LSB
Bits Guaranteed
% FSR
% FSR
% FSR
±
0.6
±
2.2
±
1.7
TEMPERATURE DRIFT
Zero Error
Gain Error
1
Gain Error
2
±
2
±
26
±
0.4
ppm/
°
C
ppm/
°
C
ppm/
°
C
POWER SUPPLY REJECTION
AVDD (+5 V
±
0.25 V)
±
0.1
±
0.35
% FSR
ANALOG INPUT
Input Span
2
4
0
AVDD
10
V p-p
V p-p
V
V
pF
Input (VINA or VINB) Range
Input Capacitance
INTERNAL VOLTAGE REFERENCE
Output Voltage (1 V Mode)
Output Voltage Tolerance (1 V Mode)
Output Voltage (2.0 V Mode)
Output Voltage Tolerance (2.0 V Mode)
Output Current (Available for External Loads)
Load Regulation
3
1.0
±
5
2.0
±
10
1.0
1.0
V
mV
V
mV
mA
mV
k
±
17
±
35
3.4
REFERENCE INPUT RESISTANCE
8
POWER SUPPLIES
Supply Voltages
AVDD
DRVDD
Supply Currents
IAVDD
IDRVDD
4.75
2.85
5
5.25
5.25
V (
±
5% AVDD
Operating)
V (
±
5% DRVDD
Operating)
65
2.0
72.5
4.0
mA
mA
POWER CONSUMPTION
External Reference
280
335
290
345
310
373
mW (VREF = 1 V)
mW (VREF = 2 V)
mW (VREF = 1 V)
mW (VREF = 2 V)
Internal Reference
NOTES
1
Includes internal voltage reference error.
2
Excludes internal voltage reference error.
3
Load 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, f
SAMPLE
= 25 MSPS, VREF = 2.0 V, VINB = 2.5 V dc, T
MIN
to T
MAX
unless otherwise noted)
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