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AD9260AS Datasheet(PDF) 4 Page - Analog Devices

Part # AD9260AS
Description  High Speed Oversampling CMOS ADC
PDF  45 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9260AS Datasheet(HTML) 4 Page - Analog Devices

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AD9260
Rev. C | Page 3 of 44
SPECIFICATIONS
CLOCK INPUT FREQUENCY RANGE
Table 1.
Parameter—Decimation Factor (N)
AD9260 (8)
AD9260 (4)
AD9260 (2)
AD9260 (1)
Unit
CLOCK INPUT (Modulator Sample Rate, fCLOCK)
1
1
1
1
kHz min
20
20
20
20
MHz max
OUTPUT WORD RATE (FS = fCLOCK/N)
0.125
0.250
0.500
1
kHz min
2.5
5
10
20
MHz max
DC SPECIFICATIONS
AVDD = +5 V, DVDD = +3 V, DRVDD = +3 V, fCLOCK = 20 MSPS, VREF = +2.5 V, Input CML = 2.0 V TMIN to TMAX unless otherwise noted,
RBIAS = 2 kΩ.
Table 2.
Parameter—Decimation Factor (N)
AD9260 (8)
AD9260 (4)
AD9260 (2)
AD9260 (1)
Unit
RESOLUTION
16
16
16
12
Bits min
INPUT REFERRED NOISE (TYP)
1.0 V Reference
1.40
2.4
6.0
1.3
LSB rms typ
2.5 V Reference1
0.68 (90.6)
1.2 (86)
3.7 (76)
1.0 (63.2)
LSB rms typ (dB typ)
ACCURACY
Integral Nonlinearity (INL)
± 0.75
± 0.75
± 0.75
± 0.3
LSB typ
Differential Nonlinearity (DNL)
± 0.50
± 0.50
± 0.50
± 0.25
LSB typ
No Missing Codes
16
16
16
12
Bits Guaranteed
Offset Error
0.9 (0.5)
(0.5)
(0.5)
(0.5)
% FSR max (typ @ +25°C)
Gain Error2
2.75 (0.66)
(0.66)
(0.66)
(0.66)
% FSR max (typ @ +25°C)
Gain Error3
1.35 (0.7)
(0.7)
(0.7)
(0.7)
% FSR max (typ @ +25°C)
TEMPERATURE DRIFT
Offset Error
2.5
2.5
2.5
2.5
ppm/°C typ
Gain Error2
22
22
22
22
ppm/°C typ
Gain Error3
7.0
7.0
7.0
7.0
ppm/°C typ
POWER SUPPLY REJECTION
AVDD, DVDD, DRVDD (+5 V ±0.25 V)
0.06
0.06
0.06
0.06
% FSR max
ANALOG INPUT
Input Span
VREF= 1.0 V
1.6
1.6
1.6
1.6
V p p Diff. max
VREF= 2.5 V
4.0
4.0
4.0
4.0
V p p Diff. max
Input (VINA or VINB) Range
+0.5
+0.5
+0.5
+0.5
V min
+AVDD –0.5
+AVDD –0.5
+AVDD –0.5
+AVDD –0.5
V max
Input Capacitance
10.2
10.2
10.2
10.2
pF typ
INTERNAL VOLTAGE REFERENCE
Output Voltage (1 V Mode)
1
1
1
1
V typ
Output Voltage Error (1 V Mode)
± 14
± 14
± 14
± 14
mV max
Output Voltage (2.5 V Mode)
2.5
2.5
2.5
2.5
V typ
Output Voltage Error (2.5 V Mode)
± 35
± 35
± 35
± 35
mV max
Load Regulation4
1 V REF
0.5
0.5
0.5
0.5
mV max
2.5 V REF
2.0
2.0
2.0
2.0
mV max
REFERENCE INPUT RESISTANCE
8
8
8
8
kΩ
POWER SUPPLIES
Supply Voltages
AVDD
+5
+5
+5
+5
V (± 5%)



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