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AD5242BR100-REEL7 bảng dữ liệu(PDF) 2 Page - Analog Devices

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Giải thích chi tiết về linh kiện  I2C Compatible 256-Position Digital Potentiometers
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AD5242BR100-REEL7 bảng dữ liệu(HTML) 2 Page - Analog Devices

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REV. B
–2–
AD5241/AD5242–SPECIFICATIONS
10 k , 100 k , 1 M
VERSION
Parameter
Symbol
Conditions
Min
Typ
1
Max
Unit
DC CHARACTERISTICS, RHEOSTAT MODE (Specifications apply to all VRs.)
Resistor Differential Nonlinearity
2
R-DNL
RWB, VA = No Connect
–1
±0.4 +1
LSB
Resistor Integral Nonlinearity
2
R-INL
RWB, VA = No Connect
–2
±0.5 +2
LSB
Nominal Resistor Tolerance
DR
TA = 25
°C, RAB = 10 kΩ
–30
+30
%
DR
TA = 25
°C, RAB = 100 kΩ/1 MΩ
–30
+50
%
Resistance Temperature Coefficient
RAB/DT
VAB = VDD, Wiper = No Connect
30
ppm/
°C
Wiper Resistance
RW
IW = VDD /R, VDD = 3 V or 5 V
60
120
DC CHARACTERISTICS, POTENTIOMETER DIVIDER MODE (Specifications apply to all VRs.)
Resolution
N
8
Bits
Differential Nonlinearity
3
DNL
–1
±0.4 +1
LSB
Integral Nonlinearity
3
INL
–2
±0.5 +2
LSB
Voltage Divider Temperature
Coefficient
DVW/DT
Code = 80H
5
ppm/
°C
Full-Scale Error
VWFSE
Code = FFH
–1
–0.5
0
LSB
Zero-Scale Error
VWZSE
Code = 00H
0
0.5
1
LSB
RESISTOR TERMINALS
Voltage Range
4
VA, B, W
VSS
VDD
V
Capacitance
5 A, B
CA, B
f = 1 MHz, Measured to GND, Code = 80H
45
pF
Capacitance
5 WC
W
f = 1 MHz, Measured to GND, Code = 80H
60
pF
Common-Mode Leakage
ICM
VA = VB = VW
1nA
DIGITAL INPUTS
Input Logic High (SDA and SCL)
VIH
0.7 VDD
VDD + 0.5 V
Input Logic Low (SDA and SCL)
VIL
–0.5
+0.3 VDD
V
Input Logic High (AD0 and AD1)
VIH
VDD = 5 V
2.4
VDD
V
Input Logic Low (AD0 and AD1)
VIL
VDD = 5 V
0
0.8
V
Input Logic High
VIH
VDD = 3 V
2.1
VDD
V
Input Logic Low
VIL
VDD = 3 V
0
0.6
V
Input Current
IIL
VIN = 0 V or 5 V
1
µA
Input Capacitance
5
CIL
3pF
DIGITAL OUTPUT
VOL
IOL = 3 mA
0.4
V
Output Logic Low (SDA)
VOL
IOL = 6 mA
0.6
V
Output Logic Low (O1 and O2)VOL
ISINK = 1.6 mA
0.4
V
Output Logic High (O1 and O2)VOH
ISOURCE = 40
µA4
V
Three-State Leakage Current (SDA) IOZ
VIN = 0 V or 5 V
±1
µA
Output Capacitance
5
COZ
38
pF
POWER SUPPLIES
Power Single-Supply Range
VDD RANGE
VSS = 0 V
2.7
5.5
V
Power Dual-Supply Range
VDD/SS RANGE
±2.3
±2.7
V
Positive Supply Current
IDD
VIH = 5 V or VIL = 0 V
0.1
50
µA
Negative Supply Current
ISS
VSS = –2.5 V, VDD = +2.5 V
+0.1
–50
µA
Power Dissipation
6
PDISS
VIH = 5 V or VIL = 0 V, VDD = 5 V
0.5
250
µW
Power Supply Sensitivity
PSS
–0.01 +0.002 +0.01
%/%
DYNAMIC CHARACTERISTICS
5, 7, 8
Bandwidth –3 dB
BW_10 k
RAB = 10 k
Ω, Code = 80
H
650
kHz
BW_100 k
Ω R
AB = 100 k
Ω, Code = 80
H
69
kHz
BW_1 M
RAB = 1 M
Ω, Code = 80H
6
kHz
Total Harmonic Distortion
THDW
VA = 1 V rms + 2 V dc,
0.005
%
VB = 2 V dc, f = 1 kHz
VW Settling Time
tS
VA = VDD, VB = 0 V,
±1 LSB Error Band,
2
µs
RAB = 10 k
Resistor Noise Voltage
eN_WB
RWB = 5 k
Ω, f = 1 kHz
14
nV
√Hz
(VDD = 3 V
10% or 5 V
10%, VA = +VDD, VB = 0 V, –40 C < TA < +105 C, unless
otherwise noted.)


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