AD9750 Просмотр технического описания (PDF) - Analog Devices
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AD9750 Datasheet PDF : 22 Pages
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AD9750–SPECIFICATIONS
DC SPECIFICATIONS (TMIN to TMAX, AVDD = +5 V, DVDD = +5 V, IOUTFS = 20 mA, unless otherwise noted)
Parameter
Min
Typ
Max
RESOLUTION
DC ACCURACY1
Integral Linearity Error (INL)
Differential Nonlinearity (DNL)
10
–1.0
± 0.1
+1.0
–0.5
± 0.1
+0.5
ANALOG OUTPUT
Offset Error
Gain Error (Without Internal Reference)
Gain Error (With Internal Reference)
Full-Scale Output Current2
Output Compliance Range
Output Resistance
Output Capacitance
–0.02
–2
± 0.5
–5
± 1.5
2.0
–1.0
100
5
+0.02
+2
+5
20.0
1.25
REFERENCE OUTPUT
Reference Voltage
Reference Output Current3
1.14
1.20
1.26
100
REFERENCE INPUT
Input Compliance Range
Reference Input Resistance
Small Signal Bandwidth
0.1
1.25
1
0.5
TEMPERATURE COEFFICIENTS
Offset Drift
Gain Drift (Without Internal Reference)
Gain Drift (With Internal Reference)
Reference Voltage Drift
0
± 50
± 100
± 50
POWER SUPPLY
Supply Voltages
AVDD
4.5
5.0
DVDD
2.7
5.0
Analog Supply Current (IAVDD)4
Digital Supply Current (IDVDD)5
Supply Current Sleep Mode (IAVDD)6
Power Dissipation5 (5 V, IOUTFS = 20 mA)
Power Supply Rejection Ratio7—AVDD
Power Supply Rejection Ratio7—DVDD
33
5.0
4.0
190
–0.4
–0.025
5.5
5.5
39
7
8
230
+0.4
+0.025
OPERATING RANGE
–40
+85
NOTES
1Measured at IOUTA, driving a virtual ground.
2Nominal full-scale current, IOUTFS, is 32 × the IREF current.
3Use an external buffer amplifier to drive any external load.
4Requires +5 V supply.
5Measured at fCLOCK = 50 MSPS and IOUT = static full scale (20 mA).
6Logic level for SLEEP pin must be referenced to AVDD. Min VIH = 3.5 V.
7± 5% Power supply variation.
Specifications subject to change without notice.
Units
Bits
LSB
LSB
% of FSR
% of FSR
% of FSR
mA
V
kΩ
pF
V
nA
V
MΩ
MHz
ppm of FSR/°C
ppm of FSR/°C
ppm of FSR/°C
ppm/°C
V
V
mA
mA
mA
mW
% of FSR/V
% of FSR/V
°C
–2–
REV. 0
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