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参数资料
型号： AD5291BRUZ-20
厂商： Analog Devices Inc
文件页数： 29/32页
文件大小： 0K
描述： IC POT DIG 1024P SPI 20K 14TSSOP
标准包装： 96
接片： 256
电阻（欧姆）： 20k
电路数： 1
温度系数： 标准值 35 ppm/°C
存储器类型： 非易失
接口： 4 线串行
电源电压： 9 V ~ 33 V，±9 V ~ 16.5 V
工作温度： -40°C ~ 105°C
安装类型： 表面贴装
封装/外壳： 14-TSSOP（0.173"，4.40mm 宽）
供应商设备封装： 14-TSSOP
包装： 管件
产品目录页面： 787 (CN2011-ZH PDF)
其它名称： AD5291BRUZ-20-U1
AD5291BRUZ-20-U1-ND
AD5291/AD5292
Rev. D | Page 6 of 32
ELECTRICAL CHARACTERISTICS—AD5292
VDD = 21 V to 33 V, VSS = 0 V; VDD = 10.5 V to 16.5 V, VSS = 10.5 V to 16.5 V; VLOGIC = 2.7 V to 5.5 V, VA = VDD, VB = VSS,
40°C < TA < +105°C, unless otherwise noted.
Table 4.
Parameter
Symbol
Conditions
Min
Typ1
Max
Unit
DC CHARACTERISTICS—RHEOSTAT MODE
Resolution
N
10
Bits
Resistor Differential Nonlinearity2
R-DNL
RWB, VA = NC
1
+1
LSB
Resistor Integral Nonlinearity2
R-INL
RAB =50 kΩ, 100 kΩ
2
+2
LSB
R-INL
RAB =20 kΩ , |VDD VSS| = 26 V to 33 V
2
+2
LSB
R-INL
RAB =20 kΩ , |VDD VSS| = 21 V to 26 V
3
+3
LSB
Nominal Resistor Tolerance (R-Perf Mode)3
RAB/RAB
See
Table 5 and Table 6
1
±0.5
+1
%
Nominal Resistor Tolerance (Normal
Mode)4
RAB/RAB
±7
%
Resistance Temperature Coefficient
(RAB/RAB)/T × 106
Code = full scale; See
Figure 38
35
ppm/°C
Wiper Resistance
RW
Code= zero scale
60
100
Ω
DC CHARACTERISTICS—POTENTIOMETER
DIVIDER MODE
Resolution
N
10
Bits
Differential Nonlinearity5
DNL
1
+1
LSB
Integral Nonlinearity5
INL
1.5
+1.5
LSB
Voltage Divider Temperature Coefficient4
(VW/VW)/T × 106
Code = half scale; See
Figure 41
5
ppm/°C
Full-Scale Error
VWFSE
Code = full scale
8
+1
LSB
Zero-Scale Error
VWZSE
Code = zero scale
0
8
LSB
RESISTOR TERMINALS
Terminal Voltage Range4
VA, VB, VW
VSS
VDD
V
Capacitance A, Capacitance B6
CA, CB
f = 1 MHz, measured to GND,
code = half scale
85
pF
Capacitance W5
CW
f = 1 MHz, measured to GND,
code = half scale
65
pF
Common-Mode Leakage Current4
ICM
VA = VB = VW
±1
nA
DIGITAL INPUTS
JEDEC compliant
Input Logic High4
VIH
VLOGIC = 2.7 V to 5.5 V
2.0
V
Input Logic Low4
VIL
VLOGIC = 2.7 V to 5.5 V
0.8
V
Input Current
IIL
VIN = 0 V or VLOGIC
±1
μA
Input Capacitance4
CIL
5
pF
DIGITAL OUTPUTS (SDO and RDY)
Output High Voltage4
VOH
RPULL_UP = 2.2 kΩ to VLOGIC
VLOGIC 0.4
V
Output Low Voltage4
VOL
RPULL_UP = 2.2 kΩ to VLOGIC
GND + 0.4
V
Three-State Leakage Current
1
+1
μA
Output Capacitance4
COL
5
pF
POWER SUPPLIES
Single-Supply Power Range
VDD
VSS = 0 V
9
33
V
Dual-Supply Power Range
VDD/VSS
±9
±16.5
V
Positive Supply Current
IDD
VDD/VSS = ±16.5 V
0.1
2
μA
Negative Supply Current
ISS
VDD/VSS = ±16.5 V
2
0.1
μA
Logic Supply Range
VLOGIC
2.7
5.5
V
Logic Supply Current
ILOGIC
VLOGIC = 5 V; VIH = 5 V or VIL = GND
1
10
μA
OTP Store Current6, 7
ILOGIC_PROG
VIH = 5 V or VIL = GND
25
mA
OTP Read Current6, 8
ILOGIC_FUSE_READ
VIH = 5 V or VIL = GND
25
mA
Power Dissipation9
PDISS
VIH = 5 V or VIL = GND
8
110
μW
Power Supply Rejection Ratio6
PSSR
VDD/VSS = ±15 V ± 10%
%/%
RAB = 20 kΩ
0.103
RAB = 50 kΩ
0.039
RAB = 100 kΩ
0.021
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