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AD9260AS Scheda tecnica(PDF) 2 Page - Analog Devices

Il numero della parte AD9260AS
Spiegazioni elettronici  High-Speed Oversampling CMOS ADC with 16-Bit Resolution at a 2.5 MHz Output Word Rate
PDF  36 Pages
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Produttore elettronici  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

AD9260AS Scheda tecnica(HTML) 2 Page - Analog Devices

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–2–
REV. B
AD9260–SPECIFICATIONS
CLOCK INPUT FREQUENCY RANGE
Parameter—Decimation Factor (N)
AD9260 (8)
AD9260 (4)
AD9260 (2)
AD9260 (1)
Units
CLOCK INPUT (Modulator Sample Rate, fCLOCK)
1111
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
Specifications subject to change without notice
DC SPECIFICATIONS
Parameter—Decimation Factor (N)
AD9260 (8)
AD9260 (4)
AD9260 (2)
AD9260 (1)
Units
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 Reference
1
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 Error
2
2.75 (0.66)
(0.66)
(0.66)
(0.66)
% FSR max (typ @ +25
°C)
Gain Error
3
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 Error
2
22
22
22
22
ppm/
°C typ
Gain Error
3
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)
1111
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 Regulation
4
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
8888
k
Ω
(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 k )



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