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參數(shù)資料
型號(hào)： EVAL-AD8403SDZ
廠商： Analog Devices Inc
文件頁數(shù)： 31/32頁
文件大小： 0K
描述： BOARD EVAL FOR AD8403
標(biāo)準(zhǔn)包裝： 1
主要目的： 數(shù)字電位器
嵌入式： 否
已用 IC / 零件： AD8403
主要屬性： 4 通道，256 位置
次要屬性： SPI 接口
已供物品： 板，CD
AD8400/AD8402/AD8403
Rev. E | Page 8 of 32
ELECTRICAL CHARACTERISTICS—1 KΩ VERSION
VDD = 3 V ± 10% or 5 V ± 10%, VA = VDD, VB = 0 V, 40°C ≤ TA ≤ +125°C, unless otherwise noted.
Table 3.
Parameter
Symbol
Conditions
Min
Typ1
Max
Unit
DC CHARACTERISTICS RHEOSTAT MODE (Specifications Apply to All VRs)
Resistor Differential NL2
R-DNL
RWB, VA = no connect
5
1
+3
LSB
Resistor Nonlinearity2
R-INL
RWB, VA = no connect
4
±1.5
+4
LSB
Nominal Resistance3
RAB
TA = 25°C, model: AD840XYY1
0.8
1.2
1.6
kΩ
Resistance Tempco
ΔRAB/ΔT
VAB = VDD, wiper = no connect
700
ppm/°C
Wiper Resistance
RW
VDD = 5V, IW = VDD/RAB
53
100
Ω
RW
VDD = 3V, IW = VDD/RAB
200
Ω
Nominal Resistance Match
ΔR/RAB
CH 1 to CH 2, VAB = VDD, TA = 25°C
0.75
2
%
DC CHARACTERISTICS POTENTIOMETER DIVIDER (Specifications Apply to All VRs)
Resolution
N
8
Bits
Integral Nonlinearity4
INL
6
±2
+6
LSB
Differential Nonlinearity4
DNL
VDD = 5 V
4
1.5
+2
LSB
DNL
VDD = 3 V, TA = 25°C
5
2
+5
LSB
Voltage Divider Temperature Coefficient
ΔVW/ΔT
Code = 80H
25
ppm/°C
Full-Scale Error
VWFSE
Code = FFH
20
12
0
LSB
Zero-Scale Error
VWZSE
Code = 00H
0
6
10
LSB
RESISTOR TERMINALS
Voltage Range5
VA, VB, VW
0
VDD
V
Capacitance6 Ax, Bx
CA, CB
f = 1 MHz, measured to GND, code = 80H
75
pF
Capacitance6 Wx
CW
f = 1 MHz, measured to GND, code = 80H
120
pF
Shutdown Supply Current7
IA_SD
VA = VDD, VB = 0 V, SHDN = 0
0.01
5
μA
Shutdown Wiper Resistance
RW_SD
VA = VDD, VB = 0 V, SHDN = 0, VDD = 5 V
50
100
Ω
DIGITAL INPUTS AND OUTPUTS
Input Logic High
VIH
VDD = 5 V
2.4
V
Input Logic Low
VIL
VDD = 5 V
0.8
V
Input Logic High
VIH
VDD = 3 V
2.1
V
Input Logic Low
VIL
VDD = 3 V
0.6
V
Output Logic High
VOH
RL = 2.2 kΩ to VDD
VDD 0.1
V
Output Logic Low
VOL
IOL = 1.6 mA, VDD = 5 V
0.4
V
Input Current
IIL
VIN = 0 V or 5 V, VDD = 5 V
±1
μA
Input Capacitance6
CIL
5
pF
POWER SUPPLIES
Power Supply Range
VDD range
2.7
5.5
V
Supply Current (CMOS)
IDD
VIH = VDD or VIL = 0 V
0.01
5
μA
Supply Current (TTL)8
IDD
VIH = 2.4 V or 0.8 V, VDD = 5.5 V
0.9
4
mA
Power Dissipation (CMOS)9
PDISS
VIH = VDD or VIL = 0 V, VDD = 5.5 V
27.5
μW
Power Supply Sensitivity
PSS
ΔVDD = 5 V ± 10%
0.0035
0.008
%/%
PSS
ΔVDD = 3 V ± 10%
0.05
0.13
%/%
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