參數(shù)資料
型號: MCP4442-104E/ST
廠商: Microchip Technology
文件頁數(shù): 1/100頁
文件大小: 0K
描述: IC DGTL POT 129TAPS 100K 14TSSOP
標準包裝: 96
接片: 129
電阻(歐姆): 100k
電路數(shù): 4
溫度系數(shù): 標準值 150 ppm/°C
存儲器類型: 非易失
接口: I²C(設備位址)
電源電壓: 2.7 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 14-TSSOP(0.173",4.40mm 寬)
供應商設備封裝: 14-TSSOP
包裝: 管件
2010 Microchip Technology Inc.
DS22265A-page 1
MCP444X/446X
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
Ω
-10 k
Ω
-50 k
Ω
-100 k
Ω
Zero Scale to Full Scale Wiper operation
Low Wiper Resistance: 75
Ω (typical)
Low Tempco:
- Absolute (Rheostat): 50 ppm typical
(0°C to 70°C)
- Ratiometric (Potentiometer): 15 ppm typical
Nonvolatile Memory
- Automatic Recall of Saved Wiper Setting
- WiperLock Technology
- 5 General Purpose Memory Locations
I2C Serial Interface
- 100 kHz, 400 kHz, and 3.4 MHz support
Serial protocol allows:
- High-Speed Read/Write to wiper
- Read/Write to EEPROM
- Write Protect to be enabled/disable
- WiperLock to be enabled/disabled
Resistor Network Terminal Disconnect Feature
via Terminal Control (TCON) Register
Reset input pin
Write Protect Feature:
- Hardware Write Protect (WP) Control pin
- Software Write Protect (WP) Configuration bit
Brown-out reset protection (1.5V typical)
Serial Interface Inactive current (2.5 uA typical)
High-Voltage Tolerant Digital Inputs: Up to 12.5V
Supports Split Rail Applications
Internal weak pull-up on all digital inputs
(except SCL and SDA)
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
Ω device
Extended temperature range (-40°C to +125°C)
Package Types: 4x4 QFN-20, TSSOP-20 and
TSSOP-14
Package Types (Top View)
MCP44X1
Quad Potentiometers
TSSOP
1
2
3
4
14
15
17
18
P2
A
P2
W
4x4 QFN
6
7
89
12
13 RESET
A1
WP
P0A
P1A
P1
W
SDA
P3B
SCL
HVC/A0
19
20
P1B
P3
A
P3
W
VDD
MCP44X2
Quad Rheostat
TSSOP
5
VSS
10
P0
W
11 P0B
16
P2
B
1
2
3
4
17
18
19
20
RESET
A1
WP
VDD
5
6
7
14
15
16
P0W
P0B
P0A
P1A
P1W
P1B
VSS
HVC/A0
SDA
SCL
8
9
10
P3B
P3W
P3A
12
P2W
P2A
P2B
11
1
2
3
4
11
12
13
14
P0B
A1
P0W
VDD
5
6
7
8
9
10
P2W
P1W
P2B
P3B
P3W
P1B
VSS
HVC/A0
SDA
SCL
EP
21
7/8-Bit Quad I2C Digital POT with
Nonvolatile Memory
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