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參數(shù)資料
| 型號： | MAX5401EKA-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | Dual, 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers |
| 中文描述： | 100K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO8 |
| 封裝： | SOT-23, 8 PIN |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 250K |
| 代理商： | MAX5401EKA-T |
M
256-Tap SOT-PoT,
Low-Drift Digital Potentiometers in SOT23
_______________________________________________________________________________________
3
Note 1:
Linearity is defined in terms of the H to L code-dependent resistance.
Note 2:
The DNL and INL are measured with the potentiometer configured as a voltage-divider with H = V
DD
and L = 0. The wiper
terminal is unloaded and measured with an ideal voltmeter.
Note 3:
The DNL and INL are measured with the potentiometer configured as a variable resistor. H is unconnected and L = 0. The
wiper terminal is driven with a source current of 80μA for the 50k
configuration and 40μA for the 100k
configuration.
Note 4:
The wiper resistance is measured assuming the source currents given in Note 2.
Note 5:
Digital timing is guaranteed by design.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DIGITAL INPUTS
Input High Voltage
Input Low Voltage
Input High Voltage
Input Low Voltage
Input Leakage Current
Input Capacitance
TIMING CHARACTERISTICS
(Voltage Divider Mode)
V
IH
V
IL
V
IH
V
IL
V
CC
= 5V
V
CC
= 5V
V
CC
= 3V
V
CC
= 3V
0.7
V
DD
V
V
V
V
0.3
V
DD
0.7
V
DD
0.3
V
DD
±
1.0
μ
A
pF
5.0
MAX5400 (to 50% of final value, from code 0
to code 128)
300
Wiper Settling Time
t
IL
MAX5401 (to 50% of final value, from code 0
to code 128)
600
ns
TIMING CHARACTERISTICS
(Digital)
(Note 5)
SCLK Clock Period
SCLK Pulse Width High
SCLK Pulse Width Low
t
CP
t
CH
t
CL
100
40
40
ns
ns
ns
CS
Fall to SCLK Rise Setup
Time
t
CSS
40
ns
SCLK Rise to
CS
Rise Hold Time
DIN Setup Time
DIN Hold Time
SCLK Rise to
CS
Fall Delay
CS
Rise to SCLK Rise Hold
CS
Pulse Width High
t
CSH
t
DS
t
DH
t
CS0
t
CS1
t
CSW
0
40
0
10
40
100
ns
ns
ns
ns
ns
ns
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +5V, V
H
= V
DD
, V
L
= 0, T
A
= T
MIN
to T
MAX
. Typical values are at T
A
= +25
°
C, unless otherwise noted. Parameters are mea-
sured at T
A
= +25
°
C. Values over full temperature range are guaranteed by design.)
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