AD5280 查看數據表（PDF） - Analog Devices
零件编号
产品描述 (功能)
生产厂家
AD5280 Datasheet PDF : 20 Pages
| |||
AD5280/AD5282–SPECIFICATIONS
ELECTRICAL CHARACTERISTICS 20 k⍀, 50 k⍀, 200 k⍀ VERSION
(VDD = +15 V, VSS = 0 V or VDD = +5 V, VSS = –5 V; VLOGIC = 5 V, VA = +VDD, VB = 0 V; –40؇C < TA < +85؇C, unless otherwise noted.)
Parameter
Symbol
Conditions
Min Typ1
DC CHARACTERISTICS–RHEOSTAT MODE Specifications apply to all VRs
Resistor Differential NL2
R-DNL
RWB, VA = NC
–1
Resistor Nonlinearity2
R-INL
RWB, VA = NC
–1
Nominal Resistor Tolerance3
⌬RAB
TA = 25°C
–30
Resistance Temperature Coefficient RAB/⌬T
VAB = VDD, Wiper = No Connect
Wiper Resistance
RW
IW = VDD /R, VDD = 3 V or 5 V
DC CHARACTERISTICS–POTENTIOMETER DIVIDER MODE Specifications apply to all VRs
Resolution
N
8
Integral Nonlinearity4
INL
–1
Differential Nonlinearity4
DNL
–1
Voltage Divider Temperature
Coefficient
⌬VW/⌬T
Code = 80H
Full-Scale Error
VWFSE
Code = FFH
–2
Zero-Scale Error
VWZSE
Code = 00H
0
RESISTOR TERMINALS
Voltage Range5
VA,B,W
VSS
Capacitance6 A, B
CA,B
f = 5 MHz, measured to
Capacitance6 W
GND, Code = 80H
CW
f = 1 MHz, measured to
GND, Code = 80H
Common-Mode Leakage
ICM
VA = VB = VW
Shutdown Current
ISHDN
DIGITAL INPUTS AND OUTPUTS
Input Logic High
VIH
2.4
Input Logic Low
VIL
Input Logic High
VIH
VLOGIC = 3 V, VSS = 0
2.1
Input Logic Low
VIL
VLOGIC = 3 V, VSS = 0
Output Logic High (SDO)
VIH
4.9
Output Logic Low (SDO)
VIL
Input Current
Input Capacitance6
IIL
VIN = 0 V or 5 V
CIL
POWER SUPPLIES
Logic Supply
Power Single-Supply Range
Power Dual-Supply Range
Logic Supply Current
Positive Supply Current
Negative Supply Current
Power Dissipation7
Power Supply Sensitivity
VLOGIC
VDD RANGE
VDD/SS RANGE
ILOGIC
IDD
ISS
PDISS
PSS
VSS = 0 V
VLOGIC = 5 V
VIH = 5 V or VIL = 0 V
VIH = 5 V or VIL = 0 V, VDD = +5 V,
VSS = –5 V
2.7
5
± 4.5
DYNAMIC CHARACTERISTICS6, 8, 9
Bandwidth –3 dB
BW_20K
BW_50K
BW_200K
Total Harmonic Distortion
THDW
VW Settling Time
tS
Crosstalk
CT
Analog Crosstalk
Resistor Noise Voltage
CTA
eN_WB
RAB = 20 kΩ, Code = 80H
RAB = 50 kΩ, Code = 80H
RAB = 200 kΩ, Code = 80H
VA = 1 V rms, RAB = 20 kΩ
VB = 0 V DC, f = 1 kHz
VA = 5 V, VB = 5 V,
± 1 LSB error band
VA = VDD, VB = 0 V, Measure
VW1 with Adjacent RDAC
Making Full-Scale Code Change
Measure VW1 with VW2 = 5 V p-p
@ f = 10 kHz
RWB = 20 kΩ, f = 1 kHz
± 1/4
± 1/4
30
60
± 1/4
± 1/4
5
–1
+1
25
55
1
5
0.1
0.1
0.2
0.002
310
150
35
0.014
5
15
–62
18
Max
+1
+1
+30
150
+1
+1
0
+2
VDD
5
0.8
0.6
0.4
±1
5.5
15
± 5.5
60
1
1
0.3
0.01
–2–
Unit
LSB
LSB
%
ppm/°C
Ω
Bits
LSB
LSB
ppm/°C
LSB
LSB
V
pF
pF
nA
µA
V
V
V
V
V
V
µA
pF
V
V
V
µA
µA
µA
mW
%/%
kHz
kHz
kHz
%
µs
nV-s
dB
nV/√Hz
REV. 0
Share Link: 