V
參數(shù)資料
型號(hào)： AD5232BRUZ50
廠商： Analog Devices Inc
文件頁數(shù)： 18/24頁
文件大?。?/td> 0K
描述： IC DGTL POT 256POS 50K 16TSSOP
標(biāo)準(zhǔn)包裝： 96
接片： 256
電阻（歐姆）： 50k
電路數(shù)： 2
溫度系數(shù)： 標(biāo)準(zhǔn)值 600 ppm/°C
存儲(chǔ)器類型： 非易失
接口： 4 線 SPI（芯片選擇）
電源電壓： 2.7 V ~ 5.5 V，±2.25 V ~ 2.75 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 16-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 16-TSSOP
包裝： 管件
配用： EVAL-AD5232-10EBZ-ND - BOARD EVALUATION FOR AD5232-10
Data Sheet
AD5232
Rev. C | Page 3 of 24
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—10 k, 50 k, 100 k VERSIONS
VDD = 3 V ± 10% or 5 V ± 10% and VSS = 0 V, VA = +VDD, VB = 0 V, 40°C < TA < +85°C, unless otherwise noted.
Table 1.
Parameter
Symbol
Conditions
Min
Typ1
Max
Unit
DC CHARACTERISTICS,
RHEOSTAT MODE
Specifications apply to all VRs
Resistor Differential Nonlinearity2
R-DNL
RWB, VA = NC
1
±1/2
+1
LSB
Resistor Nonlinearity2
R-INL
RWB, VA = NC
0.4
+0.4
% FS
Nominal Resistor Tolerance
RAB
40
+20
%
Resistance Temperature Coefficient
RAB/T
600
ppm/°C
Wiper Resistance
RW
IW = 100 A, VDD = 5.5 V, code = 0x1E
50
100
IW = 100 A, VDD = 3 V, code = 0x1E
200
POTENTIOMETER DIVIDER MODES
Resolution
N
8
Bits
Differential Nonlinearity3
DNL
1
±1/2
+1
LSB
Integral Nonlinearity3
INL
0.4
+0.4
% FS
Voltage Divider Temperature
Coefficient
VW/ΔT
Code = half scale
15
ppm/°C
Full-Scale Error
VWFSE
Code = full scale
3
0
% FS
Zero-Scale Error
VWZSE
Code = zero scale
0
3
% FS
RESISTOR TERMINALS
Terminal Voltage Range4
VA, VB, VW
VSS
VDD
V
Capacitance Ax, Bx5
CA, CB
f = 1 MHz, measured to GND, code = half-scale
45
pF
Capacitance Wx5
CW
f = 1 MHz, measured to GND, code = half scale
60
pF
Common-Mode Leakage Current5, 6
ICM
VW = VDD/2
0.01
1
A
DIGITAL INPUTS AND OUTPUTS
Input Logic High
VIH
With respect to GND, VDD = 5 V
2.4
V
Input Logic Low
VIL
With respect to GND, VDD = 5 V
0.8
V
Input Logic High
VIH
With respect to GND, VDD= 3 V
2.1
V
Input Logic Low
VIL
With respect to GND, VDD = 3 V
0.6
V
Input Logic High
VIH
With respect to GND, VDD = +2.5 V, VSS = 2.5 V
2.0
V
Input Logic Low
VIL
With respect to GND, VDD = +2.5 V, VSS = 2.5 V
0.5
V
Output Logic High (SDO and RDY)
VOH
RPULL-UP = 2.2 k to 5 V
4.9
V
Output Logic Low
VOL
IOL = 1.6 mA, VLOGIC = 5 V
0.4
V
Input Current
IIL
VIN = 0 V or VDD
±2.5
A
Input Capacitance5
CIL
4
pF
POWER SUPPLIES
Single-Supply Power Range
VDD
VSS = 0 V
2.7
5.5
V
Dual-Supply Power Range
VDD/VSS
±2.25
±2.75
V
Positive Supply Current
IDD
VIH = VDD or VIL = GND
3.5
10
A
Programming Mode Current
IDD(PG)
VIH = VDD or VIL = GND
35
mA
Read Mode Current7
IDD(XFR)
VIH = VDD or VIL = GND
0.9
3
9
mA
Negative Supply Current
ISS
VIH = VDD or VIL = GND,
VDD = +2.5 V, VSS = 2.5 V
3.5
10
A
Power Dissipation8
PDISS
VIH = VDD or VIL = GND
0.018
0.05
mW
Power Supply Sensitivity5
PSS
VDD = 5 V ± 10%
0.002
0.01
%/%
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