參數資料
型號: MAX5394NATA+T
廠商: Maxim Integrated Products
文件頁數: 9/15頁
文件大?。?/td> 0K
描述: IC DGTL POT 256POS 100KOHM 8TDFN
標準包裝: 2,500
接片: 256
電阻(歐姆): 100k
電路數: 1
溫度系數: 標準值 50 ppm/°C
存儲器類型: 易失
接口: 3 線 SPI(芯片選擇)
電源電壓: 1.7 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: *
封裝/外殼: *
供應商設備封裝: *
包裝: *
MAX5394
Single, 256-Tap Volatile, SPI, Low-Voltage Linear
Taper Digital Potentiometer
3
Maxim Integrated
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 1.7V to 5.5V, VH = VDD, VL = GND, TA = -40°C to +125°C, unless otherwise noted. Typical values are at VDD = 1.8V,
TA = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAx
uNITS
Differential Nonlinearity
R-DNL
(Note 4)
-0.5
+0.5
LSB
Wiper Resistance (Note 5)
RWL
Charge pump enabled, 1.7V < VDD < 5.5V
25
50
Charge pump disabled, 2.6V < VDD < 5.5V
200
DC PERFORMANCE (RESISTOR CHARACTERISTICS)
Terminal Capacitance
CH, CL
Measured to GND
10
pF
Wiper Capacitance
CW
Measured to GND
20
pF
End-to-End Resistor Tempco
TCR
No load
50
ppm/°C
End-to-End Resistor
Tolerance
Wiper not connected
-25
+25
%
AC PERFORMANCE
-3dB Bandwidth
BW
Code = 80h, 10pF load,
VDD = 1.8V
10k
1600
kHz
50k
340
100k
165
Total Harmonic Distortion
Plus Noise
THD+N
(Note 6)
0.035
%
Wiper Settling Time
tS
(Note 7)
10k
190
ns
50k
400
100k
664
Charge-Pump Feedthrough
at W
VRW
600
nVRMS
POWER SuPPLIES
Supply Voltage Range
VDD
1.7
5.5
V
Terminal Voltage Range (H,
W, L to GND)
Charge pump enabled, 1.7V < VDD < 5.5V
0
5.25
V
Charge pump disabled, 2.6V < VDD < 5.5V
0
VDD
Supply Current (Note 8)
IVDD
Charge pump disabled, 2.6V < VDD < 5.5V
1
A
Charge pump enabled,
1.7V < VDD < 5.5V
VDD = 5.5V
25
VDD = 1.7V
20
DIgITAL INPuTS
Minimum Input High Voltage
VIH
2.6V < VDD < 5.5V
70
% x VDD
1.7V < VDD < 2.6V
80
Maximum Input Low Voltage
VIL
2.6V < VDD < 5.5V
30
% x VDD
1.7V < VDD < 2.6V
20
Input Leakage Current
-1
+1
A
Input Capacitance
5
pF
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