參數(shù)資料
型號(hào): MCP42100
廠商: Microchip Technology Inc.
元件分類: 數(shù)字電位計(jì)
英文描述: Single/Dual Digital Potentiometer with SPI⑩ Interface
中文描述: 單/雙數(shù)字電位器接口與SPI⑩
文件頁(yè)數(shù): 8/33頁(yè)
文件大?。?/td> 682K
代理商: MCP42100
MCP41XXX/42XXX
DS11195C-page 8
2003 Microchip Technology Inc.
Note:
Unless otherwise indicated, curve represents 10 k
, 50 k
and 100 k
devices, V
DD
= 5V, V
SS
= 0V, T
A
= +25°C,
V
B
= 0V.
FIGURE 2-7:
Code.
Rheostat INL Error vs.
FIGURE 2-8:
Code.
Rheostat Mode Tempco vs.
FIGURE 2-9:
Temperature.
Static Current vs.
FIGURE 2-10:
Temperature.
Active Supply Current vs.
FIGURE 2-11:
Clock Frequency.
Active Supply Current vs.
FIGURE 2-12:
Current vs. Voltage.
Reset & Shutdown Pins
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
0
32
64
96
Code (Decimal)
128
160
192
224
256
R
T
A
= +25°C
T
A
= +85°C
T
A
= -40°C
Refer to Figure 2-27
0
500
1000
1500
2000
2500
3000
0
32
64
96
128
160
192
224
256
Code (Decimal)
R
(
T
A
= -40°C to +85°C,
V
A
= no connect,
R
WB
measured
1
10
100
1000
-40 -25 -10
5
20 35 50 65 80 95 11
0
12
5
Temperature (°C)
S
30
80
130
180
230
280
-40 -25 -10
5
20
35
50
65
80
95 110 125
Temperature (°C)
A
V
DD
= 5V
V
DD
= 3V
F
CLK
= 3 MHz
Code = FFh
0
100
200
300
400
500
600
700
800
900
1000
Clock Frequency (Hz)
A
A - V
DD
= 5.5V, Code = AAh
B - V
DD
= 3.3V, Code = AAh
C - V
DD
= 5.5V, Code = FFh
D - V
DD
= 3.3V, Code = FFh
A
B
C
D
1k
10k
100k
1M
10M
-7
-6
-5
-4
-3
-2
-1
0
1
0
2
4
6
RS & SHDN Pin Voltage (V)
R
V
DD
= 5.5V
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MCP42100-I/P 功能描述:數(shù)字電位計(jì) IC 256 Step SPI 100kOhm RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel
MCP42100-I/P 制造商:Microchip Technology Inc 功能描述:Digital Potentiometer (Pots) IC