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PDF AD5683R Datasheet ( Hoja de datos )

Número de pieza AD5683R
Descripción Tiny 16-/14-/12-Bit SPI nanoDAC+
Fabricantes Analog Devices 
Logotipo Analog Devices Logotipo
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Total 28 Páginas
		
AD5683R datasheet

1 Page

AD5683R pdf
Data Sheet
AD5683R/AD5682R/AD5681R/AD5683
Parameter
REFERENCE OUTPUT
Output Voltage
Voltage Reference TC3
A-Grade
B-Grade
Output Impedance
Output Voltage Noise
Output Voltage Noise Density
Capacitive Load Stability
Load Regulation Sourcing
Load Regulation Sinking
Output Current Load Capability
Line Regulation
Thermal Hysteresis
REFERENCE INPUT
Reference Current
Reference Input Range
Reference Input Impedance
LOGIC INPUTS
IIN, Input Current
VINL, Input Low Voltage4
VINH, Input High Voltage4
CIN, Pin Capacitance
LOGIC OUTPUTS (SDO)5
Output Low Voltage, VOL
Output High Voltage, VOH
Pin Capacitance
POWER REQUIREMENTS
VLOGIC5
ILOGIC5
VDD
IDD6
Normal Mode7
Power-Down Modes8
Min Typ Max Unit Test Conditions/Comments
2.4975
2.5025
5 20
25
0.05
16.5
250
5
50
30
±5
80
125
25
V
ppm/°C
ppm/°C
µV p-p
nV/√Hz
µF
µV/mA
µV/mA
mA
µV/V
ppm
ppm
At ambient
See the Terminology section
0.1 Hz to 10 Hz
At ambient; f = 10 kHz, CL = 10 nF
RL = 2 kΩ
At ambient; VDD ≥ 3 V
At ambient
VDD ≥ 3 V
At ambient
First cycle
Additional cycles
26 µA VREF = VDD = VLOGIC = 5 V, gain = 1
47 µA VREF = VDD = VLOGIC = 5 V, gain = 2
1 VDD V
120 kΩ Gain = 1
60 kΩ Gain = 2
0.7 × VDD
2
±1
0.3 × VDD
µA
V
V
pF
Per pin
VDD − 0.4
4
0.4
V
V
pF
ISINK = 200 μA
ISOURCE = 200 μA
1.8 − 10%
5 + 10% V
0.25 3
µA
2.7 5.5 V
VREF + 1.5
5.5 V
350 500
110 180
2
µA
µA
µA
VIH = VLOGIC or VIL = GND
Gain = 1
Gain = 2
VIH = VDD, VIL = GND
Internal reference enabled
Internal reference disabled
1 Linearity is calculated using a reduced code range: AD5683R and AD5683 (Code 512 to Code 65,535); AD5682R (Code 128 to Code 16,384); AD5681R (Code 32 to
Code 4096). Output unloaded.
2 When drawing a load current at either rail, the output voltage headroom, with respect to that rail, is limited by the 20 Ω typical channel resistance of the output
devices; for example, when sinking 1 mA, the minimum output voltage = 20 Ω, 1 mA generates 20 mV. See Figure 38 (Headroom/Footroom vs. Load Current).
3 Reference temperature coefficient is calculated as per the box method. See the Terminology section for more information.
4 Substitute VLOGIC for VDD if device includes a VLOGIC pin.
5 The VLOGIC and SDO pins are not available on all models.
6 If the VLOGIC pin is not available, IDD = IDD + ILOGIC.
7 Interface inactive. DAC active. DAC output unloaded.
8 DAC powered down.
Rev. C | Page 5 of 28

5 Page

AD5683R arduino
Data Sheet
TYPICAL PERFORMANCE CHARACTERISTICS
2
VDD = 5V
TA = 25°C
VREF = 2.5V
1
0
–1
–2
0 10000 20000 30000 40000 50000 60000 65535
CODE
Figure 11. AD5683R/AD5683 INL
2
VDD = 5V
TA = 25°C
VREF = 2.5V
1
0
–1
–2
0 2000 4000 6000 8000 10000 12000 14000 16383
CODE
Figure 12. AD5682R INL
2.0
VDD = 5V
1.5
TA = 25°C
VREF = 2.5V
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0
500 1000 1500 2000 2500 3000 3500 4000
CODE
Figure 13. AD5681R INL
AD5683R/AD5682R/AD5681R/AD5683
2
VDD = 5V
TA = 25°C
VREF = 2.5V
1
0
–1
–2
0
10000
20000
30000 40000
CODE
50000
60000 65535
Figure 14. AD5683R/AD5683 DNL
1.0
VDD = 5V
0.8 TA = 25°C
VREF = 2.5V
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
2000 4000 6000 8000 10000 12000 14000 16383
CODE
Figure 15. AD5682R DNL
1.0
VDD = 5V
0.8 TA = 25°C
VREF = 2.5V
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
500 1000 1500 2000 2500 3000 3500 4000
CODE
Figure 16. AD5681R DNL
Rev. C | Page 11 of 28

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