參數(shù)資料
型號(hào): MCP4351-502E/ST
廠商: Microchip Technology
文件頁(yè)數(shù): 1/35頁(yè)
文件大?。?/td> 0K
描述: IC POT 8BIT QUAD 5K 20TSSOP
標(biāo)準(zhǔn)包裝: 74
接片: 257
電阻(歐姆): 5k
電路數(shù): 4
溫度系數(shù): 標(biāo)準(zhǔn)值 150 ppm/°C
存儲(chǔ)器類型: 易失
接口: 4 線 SPI(芯片選擇)
電源電壓: 1.8 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 20-TSSOP
包裝: 管件
產(chǎn)品目錄頁(yè)面: 676 (CN2011-ZH PDF)
2010 Microchip Technology Inc.
DS22242A-page 1
MCP433X/435X
Features
Quad Resistor Network
Potentiometer or Rheostat Configuration Options
Resistor Network Resolution:
- 7-bit: 128 Resistors (129 Taps)
- 8-bit: 256 Resistors (257 Taps)
RAB Resistances Options of:
-5 k
-10 k
-50 k
-100 k
Zero Scale to Full Scale Wiper Operation
Low Wiper Resistance: 75
(typical)
Low Tempco:
- Absolute (Rheostat): 50 ppm typical
(0°C to 70°C)
- Ratiometric (Potentiometer): 15 ppm typical
SPI Serial Interface (10 MHz, Modes 0,0 and 1,1):
- High-Speed Read/Writes to wiper registers
Resistor Network Terminal Disconnect Feature
via Terminal Control (TCON) Register
Reset Input Pin
Brown-out Reset Protection (1.5V typical)
Serial Interface Inactive Current (2.5 A typical)
High-Voltage Tolerant Digital Inputs: Up to 12.5V
Supports Split Rail Applications
Internal Weak Pull-up on all Digital Inputs
Wide Operating Voltage:
- 2.7V to 5.5V – Device Characteristics
Specified
- 1.8V to 5.5V – Device Operation
Wide Bandwidth (-3 dB) Operation:
- 2 MHz (typical) for 5.0 k
device
Extended Temperature Range (-40°C to +125°C)
Package Types (Top View)
MCP43X1 Quad Potentiometers
TSSOP
1
2
3
4
14
15
17
18
P2A
P2W
67
89
12
13 RESET
SDO
NC
P0
A
P1
A
P1W
SDI
P3B
SCK
CS
19
20
P1
B
P3A
P3W
VDD
MCP43X2 Quad Rheostat
TSSOP
5
VSS
10
P0W
11 P0B
16
P2B
1
2
3
4
17
18
19
20
RESET
SDO
NC
VDD
5
6
7
14
15
16
P0W
P0B
P0A
P1A
P1W
P1B
VSS
CS
SDI
SCK
8
9
10
P3B
P3W
P3A
12
13
P2W
P2A
P2B
11
1
2
3
4
11
12
13
14
P0B
SDO
P0W
VDD
5
6
7
8
9
10
P2W
P1W
P2B
P3B
P3W
P1B
VSS
CS
SDI
SCK
EP
21
MCP43X1 Quad Potentiometers
4x4 QFN*
* Includes Exposed Thermal Pad (EP); see Table 3-1.
7/8-Bit Quad SPI Digital POT with Volatile Memory
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