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参数资料
| 型号： | MAX5422ETA |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 数字电位计 |
| 英文描述： | 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers |
| 中文描述： | 50K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, DSO8 |
| 封装： | 3 X 3 MM, 0.8 MM HEIGHT, MO229/WEEC, TDFN-8 |
| 文件页数： | 3/11页 |
| 文件大小： | 614K |
| 代理商： | MAX5422ETA |
M
256-Tap, Nonvolatile, SPI-Interface,
Digital Potentiometers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +2.7V to +5.25V, H = V
DD
, L = GND, T
A
= -40
°
C to +85
°
C. Typical values are at V
DD
= +5.0V, T
A
= +25
°
C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DIGITAL INPUTS (
CS
, DIN, SCLK)
V
DD
= 3.4V to 5.25V
2.4
Input High Voltage (Note 4)
V
IH
V
DD
< 3.4V
0.7 x
V
DD
V
Input Low Voltage
V
IL
V
DD
= 2.7V to 5.25V (Note 4)
0.8
V
Input Leakage Current
Input Capacitance
DYNAMIC CHARACTERISTICS
I
IN
C
IN
±0.1
5
±1
μA
pF
MAX5422
MAX5423
MAX5424
100
50
25
Wiper -3dB Bandwidth (Note 5)
kHz
NONVOLATILE MEMORY RELIABILITY
Data Retention
T
A
= +85
°
C
T
A
= +25
°
C
T
A
= +85
°
C
50
Years
200,000
50,000
Endurance
Stores
POWER SUPPLY
Supply Voltage
Standby Current
V
DD
I
DD
2.70
5.25
1
V
Digital inputs = V
DD
or GND, T
A
= +25
°
C
During nonvolatile write to memory; digital
inputs = V
DD
or GND (Note 6)
0.5
μA
Programming Current
I
PG
200
400
μA
TIMING CHARACTERISTICS
(V
DD
= +2.7V to +5.25V, H = V
DD
, L = GND, T
A
= -40
°
C to +85
°
C. Typical values are at V
DD
= +5.0V, T
A
= +25
°
C, unless otherwise
noted. See Figure 1.) (Note 7)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
ANALOG SECTION
MAX5422
MAX5423
MAX5424
400
600
1000
Wiper Settling Time (Note 8)
t
S
ns
DIGITAL SECTION
SCLK Frequency
SCLK Clock Period
SCLK Pulse-Width High
SCLK Pulse-Width Low
CS
Fall to SCLK Rise Setup
SCLK Rise to
CS
Rise Hold
DIN to SCLK Setup
f
SCLK
t
CP
t
CH
t
CL
t
CSS
t
CSH
t
DS
5
MHz
ns
ns
ns
ns
ns
ns
200
80
80
80
0
50
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