MCP4232.pdf 데이터시트 (총 30 페이지) - 파일 다운로드 MCP4232 데이타시트 다운로드

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MCP413X/415X/423X/425X
7/8-Bit Single/Dual SPI Digital POT with Volatile Memory
Features
• Single or Dual Resistor Network options
• Potentiometer or Rheostat configuration options
• Resistor Network Resolution
- 7-bit: 128 Resistors (129 Steps)
- 8-bit: 256 Resistors (257 Steps)
• RAB Resistances options of:
- 5 kΩ
- 10 kΩ
- 50 kΩ
- 100 kΩ
• Zero Scale to Full Scale Wiper operation
• Low Wiper Resistance: 75Ω (typ.)
• 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 & 1,1)
- High-Speed Read/Writes to wiper registers
- SDI/SDO multiplexing (MCP41X1 only)
• Resistor Network Terminal Disconnect Feature
via:
- Shutdown pin (SHDN)
- Terminal Control (TCON) Register
• Brown-out reset protection (1.5V typical)
• Serial Interface Inactive current (2.5 uA typ.)
• 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 (typ.) for 5.0 kΩ device
• Extended temperature range (-40°C to +125°C)
Description
The MCP41XX and MCP42XX devices offer a wide
range of product offerings using an SPI interface. This
family of devices support 7-bit and 8-bit resistor
networks, and Potentiometer and Rheostat pinouts.
Package Types
MCP41X1
Single Potentiometer
MCP41X2
Single Rheostat
CS
SCK
SDI/SDO
VSS
1
2
3
4
8
7
VDD
P0B
6 P0W
5 P0A
PDIP, SOIC, MSOP,
3x3 DFN
CS
SCK
SDI
VSS
1
2
3
4
8
7
VDD
SDO
6 P0B
5 P0W
PDIP, SOIC, MSOP,
3x3 DFN
MCP42X1 Dual Potentiometers
CS
SCK
SDI
VSS
P1B
P1W
P1A
1
2
3
4
5
6
7
14 VDD
13 SDO
12 SHDN
11 NC
10 P0B
9 P0W
8 P0A
PDIP, SOIC, TSSOP
SCK
SDI
VSS
VSS
116 15 14 1312
2 11
3 10
49
5678
NC
NC
P0B
P0W
4x4 QFN
MCP42X2 Dual Rheostat
CS
SCK
SDI
VSS
P1B
1
2
3
4
5
10
9
VDD
SDO
8 P0B
7 P0W
6 P1W
MSOP, DFN
© 2007 Microchip Technology Inc.
DS22060A-page 1

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MCP413X/415X/423X/425X
Device Block Diagram
VDD Power-up/
VSS
Brown-out
Control
CS
SCK
SDI
SDO
NC
SHDN
For Dual Potentiometer
Devices Only
SPI Serial
Interface
Module &
Control
Logic
(WiperLock™
Technology)
Memory (4x9)
Wiper0
Wiper1
TCON
STATUS
Resistor
Network 0
(Pot 0)
Wiper 0
& TCON
Register
Resistor
Network 1
(Pot 1)
Wiper 1
& TCON
Register
For Dual Resistor Network
Devices Only
P0A
P0W
P0B
P1A
P1W
P1B
Device Features
Device
Wiper
Configuration
Resistance (typical)
RAB Options (kΩ)
Wiper
- RW
(Ω)
VDD
Operating
Range (2)
MCP4131 (3) 1 Potentiometer (1) SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 129 1.8V to 5.5V
MCP4132 (3) 1
Rheostat
SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 129 1.8V to 5.5V
MCP4141
1 Potentiometer (1) SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 129 2.7V to 5.5V
MCP4142 1
Rheostat
SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 129 2.7V to 5.5V
MCP4151 (3) 1 Potentiometer (1) SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 257 1.8V to 5.5V
MCP4152 (3) 1
Rheostat
SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 257 1.8V to 5.5V
MCP4161
1 Potentiometer (1) SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 257 2.7V to 5.5V
MCP4162 1
Rheostat
SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 257 2.7V to 5.5V
MCP4231 (3) 2 Potentiometer (1) SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 129 1.8V to 5.5V
MCP4232 (3) 2
Rheostat
SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 129 1.8V to 5.5V
MCP4241
2 Potentiometer (1) SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 129 2.7V to 5.5V
MCP4242 2
Rheostat
SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 129 2.7V to 5.5V
MCP4251 (3) 2 Potentiometer (1) SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 257 1.8V to 5.5V
MCP4252 (3) 2
Rheostat
SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 257 1.8V to 5.5V
MCP4261
2 Potentiometer (1) SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 257 2.7V to 5.5V
MCP4262 2
Rheostat
SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 257 2.7V to 5.5V
Note 1: Floating either terminal (A or B) allows the device to be used as a Rheostat (variable resistor).
2: Analog characteristics only tested from 2.7V to 5.5V unless otherwise noted.
3: Please check Microchip web site for device release and availability.
DS22060A-page 2
© 2007 Microchip Technology Inc.

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MCP413X/415X/423X/425X
1.0 ELECTRICAL
CHARACTERISTICS
† Notice: Stresses above those listed under “Maximum
Ratings” may cause permanent damage to the device. This is
a stress rating only and functional operation of the device at
Absolute Maximum Ratings †
Voltage on VDD with respect to VSS ............... -0.6V to +7.0V
Voltage on CS, SCK, SDI, SDI/SDO, and
those or any other conditions above those indicated in the
operational listings of this specification is not implied.
Exposure to maximum rating conditions for extended periods
may affect device reliability.
SHDN with respect to VSS ...................................... -0.6V to 12.5V
Voltage on all other pins (PxA, PxW, PxB, and
SDO) with respect to VSS ............................ -0.3V to VDD + 0.3V
Input clamp current, IIK
(VI < 0, VI > VDD, VI > VPP ON HV pins) ......................±20 mA
Output clamp current, IOK
(VO < 0 or VO > VDD) ..................................................±20 mA
Maximum output current sunk by any Output pin
......................................................................................25 mA
Maximum output current sourced by any Output pin
......................................................................................25 mA
Maximum current out of VSS pin .................................100 mA
Maximum current into VDD pin ....................................100 mA
Maximum current into PXA, PXW & PXB pins ............±2.5 mA
Storage temperature ....................................-65°C to +150°C
Ambient temperature with power applied
-40°C to +125°C
Total power dissipation (Note 1) ................................400 mW
Soldering temperature of leads (10 seconds) ............. +300°C
ESD protection on all pins .................................. ≥ 4 kV (HBM),
.......................................................................... 300V (MM)
Maximum Junction Temperature (TJ) ......................... +150°C
Note 1: Power dissipation is calculated as follows:
Pdis = VDD x {IDD - IOH} + {(VDD-VOH) x IOH} + (VOl x IOL)
© 2007 Microchip Technology Inc.
DS22060A-page 3

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MCP413X/415X/423X/425X
AC/DC CHARACTERISTICS
DC Characteristics
Standard Operating Conditions (unless otherwise specified)
Operating Temperature
–40°C TA +125°C (extended)
All parameters apply across the specified operating ranges unless noted.
VDD = +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices.
Typical specifications represent values for VDD = 5.5V, TA = +25°C.
Parameters
Sym
Min Typ Max Units
Conditions
Supply Voltage VDD 2.7 — 5.5 V
1.8 — 2.7 V Serial Interface only.
CS, SDI, SDO,
VHV
VSS
— 12.5V
V VDD The CS pin will be at one
SCK, SHDN pin
4.5V of three input levels
Voltage Range
VSS
— VDD +
V VDD < (VIL, VIH or VIHH). (Note 6)
8.0V
4.5V
VDD Start Voltage
to ensure Wiper
Reset
VBOR
— 1.65
V RAM retention voltage (VRAM) < VBOR
VDD Rise Rate to
ensure Power-on
Reset
VDDRR
(Note 9)
V/ms
Delay after device
exits the reset
state
(VDD > VBOR)
Supply Current
(Note 10)
TBORD
IDD
— 10 20 µs
— — 450 µA Serial Interface Active,
VDD = 5.5V, CS = VIL, SCK @ 5 MHz,
write all 0’s to volatile Wiper 0 (address
0h)
— 2.5 5
— 0.55 1
µA Serial Interface Inactive,
CS = VIH, VDD = 5.5V
mA Serial Interface Active,
VDD = 5.5V, CS = VIHH,
SCK @ 5 MHz,
decrement volatile Wiper 0 (address 0h)
Note 1: Resistance is defined as the resistance between terminal A to terminal B.
2: INL and DNL are measured at VW with VA = VDD and VB = VSS.
3: MCP4XX1 only.
4: MCP4XX2 only, includes VWZSE and VWFSE.
5: Resistor terminals A, W and B’s polarity with respect to each other is not restricted.
6: This specification by design.
7: Non-linearity is affected by wiper resistance (RW), 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.
DS22060A-page 4
© 2007 Microchip Technology Inc.

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MCP413X/415X/423X/425X
AC/DC CHARACTERISTICS (CONTINUED)
DC Characteristics
Standard Operating Conditions (unless otherwise specified)
Operating Temperature
–40°C TA +125°C (extended)
All parameters apply across the specified operating ranges unless noted.
VDD = +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices.
Typical specifications represent values for VDD = 5.5V, TA = +25°C.
Parameters
Sym
Min Typ Max Units
Conditions
Resistance
(± 20%)
RAB 4.0 5 6.0 kΩ -502 devices (Note 1)
8.0 10 12.0 kΩ -103 devices (Note 1)
40.0 50 60.0 kΩ -503 devices (Note 1)
80.0
100 120.0
kΩ -104 devices (Note 1)
Resolution
N
257 Taps 8-bit No Missing Codes
129 Taps 7-bit No Missing Codes
Step Resistance
RS
RAB /
(256)
Ω 8-bit Note 6
RAB /
(128)
Ω 7-bit Note 6
Nominal
Resistance Match
Wiper Resistance
(Note 3, Note 4)
|RAB0 - RAB1|
/ RAB
|RBW0 - RBW1|
/ RBW
RW
Nominal
Resistance
Tempco
ΔRAB/ΔT
Ratiometeric
Tempco
ΔVWB/ΔT
0.2 1.25
% MCP42X1 devices only
0.25 1.5
% MCP42X2 devices only,
Code = Full-Scale
75 160
Ω VDD = 5.5 V, IW = 2.0 mA, code = 00h
75 300
Ω VDD = 2.7 V, IW = 2.0 mA, code = 00h
50 — ppm/°C TA = -20°C to +70°C
100 — ppm/°C TA = -40°C to +85°C
150 — ppm/°C TA = -40°C to +125°C
15 — ppm/°C Code = Midscale (80h or 40h)
Resistor Terminal
Input Voltage
Range (Terminals
A, B and W)
VA,VW,VB
Vss
— VDD
V Note 5, Note 6
Maximum current
through A, W or B
IW
— — 2.5 mA Note 6, Worst case current through
wiper when wiper is either Full Scale or
Zero Scale.
Leakage current
into A, W or B
IWL
— 100 — nA MCP4XX1 PxA = PxW = PxB = VSS
— 100 — nA MCP4XX2 PxB = PxW = VSS
Note 1: Resistance is defined as the resistance between terminal A to terminal B.
2: INL and DNL are measured at VW with VA = VDD and VB = VSS.
3: MCP4XX1 only.
4: MCP4XX2 only, includes VWZSE and VWFSE.
5: Resistor terminals A, W and B’s polarity with respect to each other is not restricted.
6: This specification by design.
7: Non-linearity is affected by wiper resistance (RW), 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.
© 2007 Microchip Technology Inc.
DS22060A-page 5