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MCP4232T-503E/MF 参数 Datasheet PDF下载

MCP4232T-503E/MF图片预览
型号: MCP4232T-503E/MF
PDF下载: 下载PDF文件 查看货源
内容描述: 7/8位单/双SPI数字电位器具有易失性存储器 [7/8-Bit Single/Dual SPI Digital POT with Volatile Memory]
分类和应用: 转换器电位器数字电位计存储电阻器光电二极管
文件页数/大小: 88 页 / 2525 K
品牌: MICROCHIP [ MICROCHIP TECHNOLOGY ]
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MCP413X/415X/423X/425X
AC/DC CHARACTERISTICS (CONTINUED)
Standard Operating Conditions (unless otherwise specified)
Operating Temperature
–40°C
T
A
+125°C (extended)
DC Characteristics
All parameters apply across the specified operating ranges unless noted.
V
DD
= +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices.
Typical specifications represent values for V
DD
= 5.5V, T
A
= +25°C.
Sym
R
AB
Min
4.0
8.0
40.0
80.0
Resolution
Step Resistance
N
R
S
Nominal
Resistance Match
|R
AB0
- R
AB1
|
/ R
AB
|R
BW0
- R
BW1
|
/ R
BW
R
W
ΔR
AB
/ΔT
ΔV
WB
/ΔT
V
A,
V
W,
V
B
V
SS
Typ
5
10
50
100
257
129
R
AB
/
(256)
R
AB
/
(128)
0.2
0.25
75
75
50
100
150
15
1.25
1.5
160
300
V
DD
Max
6.0
12.0
60.0
120.0
Units
kΩ
kΩ
kΩ
kΩ
Taps
Taps
%
%
Conditions
-502 devices
-103 devices
-503 devices
-104 devices
8-bit
7-bit
8-bit
7-bit
No Missing Codes
No Missing Codes
Parameters
Resistance
(± 20%)
MCP42X1
devices only
MCP42X2
devices only,
Code = Full-Scale
V
DD
= 5.5 V, I
W
= 2.0 mA, code = 00h
V
DD
= 2.7 V, I
W
= 2.0 mA, code = 00h
Wiper Resistance
Nominal
Resistance
Tempco
Ratiometeric
Tempco
Resistor Terminal
Input Voltage
Range (Terminals
A, B and W)
Maximum current
through A, W or B
Leakage current
into A, W or B
Note 1:
2:
3:
4:
5:
6:
7:
ppm/°C T
A
= -20°C to +70°C
ppm/°C T
A
= -40°C to +85°C
ppm/°C T
A
= -40°C to +125°C
ppm/°C Code = Midscale (80h or 40h)
V
I
W
2.5
mA
I
WL
100
100
nA
nA
Worst case current through
wiper when wiper is either Full-Scale or
Zero Scale.
MCP4XX1
PxA = PxW = PxB = V
SS
MCP4XX2
PxB = PxW = V
SS
Resistance is defined as the resistance between terminal A to terminal B.
INL and DNL are measured at V
W
with V
A
= V
DD
and V
B
= V
SS
.
MCP4XX1
only.
MCP4XX2
only, includes V
WZSE
and V
WFSE
.
Resistor terminals A, W and B’s polarity with respect to each other is not restricted.
This specification by design.
Non-linearity is affected by wiper resistance (R
W
), which changes significantly over voltage and
temperature.
8:
The
MCP4XX1
is externally connected to match the configurations of the
MCP41X2
and
MCP42X2,
and
then tested.
9:
POR/BOR is not rate dependent.
10:
Supply current is independent of current through the resistor network.
©
2008 Microchip Technology Inc.
DS22060B-page 5