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PDF AD5160 Datasheet ( Hoja de datos )

Número de pieza AD5160
Descripción 256-Position SPI-Compatible Digital Potentiometer
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AD5160 datasheet

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AD5160 pdf
AD5160
Data Sheet
10 kΩ, 50 kΩ, 100 kΩ VERSIONS
VDD = 5 V ± 10%, or 3 V ± 10%; VA = VDD; VB = 0 V; −40°C < TA < +125°C; unless otherwise noted.
Table 2.
Parameter
DC CHARACTERISTICS
Rheostat Mode
Resistor Differential Nonlinearity2
Resistor Integral Nonlinearity2
Nominal Resistor Tolerance3
Resistance Temperature Coefficient
Wiper Resistance
Potentiometer Divider Mode
Resolution
Differential Nonlinearity4
Integral Nonlinearity4
Voltage Divider Temperature
Coefficient
Full-Scale Error
Zero-Scale Error
RESISTOR TERMINALS
Voltage Range5
Capacitance A, Capacitance B6
Capacitance W6
Common-Mode Leakage
DIGITAL INPUTS
Input Logic High
Input Logic Low
Input Logic High
Input Logic Low
Input Current
Input Capacitance6
POWER SUPPLIES
Power Supply Range
Supply Current
Power Dissipation7
Power Supply Sensitivity
DYNAMIC CHARACTERISTICS6, 8
Bandwidth –3 dB
Total Harmonic Distortion
VW Settling Time (10 kΩ/50 kΩ/100 kΩ)
Resistor Noise Voltage Density
Symbol Conditions
Min Typ1
Max Unit
R-DNL
R-INL
∆RAB
∆RAB/∆T
RW
N
DNL
INL
∆VW/∆T
RWB, VA = no connect
RWB, VA = no connect
TA = 25°C
VAB = VDD,
Wiper = no connect
VDD = 5 V
Specifications apply to all VRs
Code = 0x80
VWFSE
VWZSE
Code = 0xFF
Code = 0x00
−1 ±0.1
−2 ±0.25
−15
45
50
−1 ±0.1
−1 ±0.3
15
−3 −1
01
+1 LSB
+2 LSB
+15 %
ppm/°C
120 Ω
8 Bits
+1 LSB
+1 LSB
ppm/°C
0 LSB
3 LSB
VA,B,W
CA,B
CW
ICM
f = 1 MHz, measured to GND, code =
0x80
f = 1 MHz, measured to GND, code =
0x80
VA = VB = VDD/2
GND
45
60
1
VDD V
pF
pF
nA
VIH
VIL
VIH VDD = 3 V
VIL VDD = 3 V
IIL VIN = 0 V or 5 V
CIL
2.4
2.1
5
V
0.8 V
V
0.6 V
±1 µA
pF
VDD RANGE
IDD
PDISS
PSS
VIH = 5 V or VIL = 0 V
VIH = 5 V or VIL = 0 V, VDD = 5 V
∆VDD = +5 V ± 10%, code = midscale
2.7
3
±0.02
5.5
8
0.2
±0.05
V
µA
mW
%/%
BW
THDW
tS
eN_WB
RAB = 10 kΩ/50 kΩ/100 kΩ, Code = 0x80
VA = 1 V rms, VB = 0 V, f = 1 kHz, RAB =
10 kΩ
VA = 5 V, VB = 0 V,
±1 LSB error band
RWB = 5 kΩ
600/100/40
0.05
2
9
kHz
%
µs
nV/√Hz
1 Typical specifications represent average readings at +25°C and VDD = 5 V.
2 Resistor position nonlinearity error (R-INL) is the deviation from an ideal value measured between the maximum resistance and the minimum resistance wiper
positions. R-DNL measures the relative step change from ideal between successive tap positions. Parts are guaranteed monotonic.
3 VAB = VDD, wiper (VW) = no connect.
4 INL and DNL are measured at VW with the RDAC configured as a potentiometer divider similar to a voltage output digital-to-analog converter (DAC). VA = VDD and VB =
0 V. DNL specification limits of ±1 LSB maximum are guaranteed monotonic operating conditions.
5 Resistor Terminal A, Resistor Terminal B, and Resistor Terminal W have no limitations on polarity with respect to each other.
6 Guaranteed by design and not subject to production test.
7 PDISS is calculated from (IDD × VDD). CMOS logic level inputs result in minimum power dissipation.
8 All dynamic characteristics use VDD = 5 V.
Rev. C | Page 4 of 16

5 Page

AD5160 arduino
AD5160
200
150
100
50
0
–50
0
32 64 96 128 160 192 224 256
CODE (Decimal)
Figure 16. Rheostat Mode Tempco ∆RWB/∆T vs. Code
160
140
120
100
80
60
40
20
0
–20
0
32 64 96 128 160 192 224 256
CODE (Decimal)
Figure 17. Potentiometer Mode Tempco ∆VWB/∆T vs. Code
REF LEVEL
0.000dB
0
–6
–12
–18
–24
–30
–36
–42
/DIV
6.000dB
0x80
0x40
0x20
0x10
0x08
0x04
0x02
0x01
MARKER 1 000 000.000Hz
MAG (A/R) –8.918dB
–48
–54
–60
1k
START 1 000.000Hz
10k
100k
1M
STOP 1 000 000.000Hz
Figure 18. Gain vs. Frequency vs. Code, RAB = 5 kΩ
Data Sheet
REF LEVEL
0.000dB
0
–6
–12
–18
–24
–30
–36
–42
/DIV
6.000dB
0x80
0x40
0x20
0x10
0x08
0x04
0x02
0x01
MARKER 510 634.725Hz
MAG (A/R) –9.049dB
–48
–54
–60
1k
START 1 000.000Hz
10k
100k
1M
STOP 1 000 000.000Hz
Figure 19. Gain vs. Frequency vs. Code, RAB = 10 kΩ
REF LEVEL
0.000dB
0
–6
–12
–18
–24
–30
–36
–42
–48
/DIV
6.000dB
0x80
0x40
0x20
0x10
0x08
0x04
0x02
0x01
–54
–60
1k
START 1 000.000Hz
10k
MARKER 100 885.289Hz
MAG (A/R) –9.014dB
100k
1M
STOP 1 000 000.000Hz
Figure 20. Gain vs. Frequency vs. Code, RAB = 50 kΩ
REF LEVEL
0.000dB
0
–6
–12
–18
–24
–30
–36
–42
–48
/DIV
6.000dB
0x80
0x40
0x20
0x10
0x08
0x04
0x02
0x01
MARKER 54 089.173Hz
MAG (A/R) –9.052dB
–54
–60
1k 10k
START 1 000.000Hz
100k
1M
STOP 1 000 000.000Hz
Figure 21. Gain vs. Frequency vs. Code, RAB = 100 kΩ
Rev. C | Page 10 of 16

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