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PDF MCP4541 Data sheet ( Hoja de datos )
| Número de pieza | MCP4541 | |
| Descripción | 7/8-Bit Single/Dual I2C Digital POT | |
| Fabricantes | Microchip | |
| Logotipo |  |
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MCP453X/455X/463X/465X
7/8-Bit Single/Dual I2C 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 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
• I2C Serial Interface
- 100 kHz, 400 kHz and 3.4 MHz Support
• Serial Protocol Allows:
- High-Speed Read/Write to Wiper
- Increment/Decrement of Wiper
• Resistor Network Terminal Disconnect Feature
via the Terminal Control (TCON) Register
• Brown-Out Reset Protection (1.5V typical)
• Serial Interface Inactive Current (2.5 uA typical)
• High-Voltage Tolerant Digital Inputs: up to 12.5V
• Wide Operating Voltage:
- 2.7V to 5.5V - Device Characteristics Specified
- 1.8V to 5.5V - Device Operation
• Wide Bandwidth (-3dB) Operation:
- 2 MHz (typical) for 5.0 k Device
• Extended Temperature Range (-40°C to +125°C)
Description:
The MCP45XX and MCP46XX devices offer a wide
range of product offerings using an I2C interface. This
family of devices support 7-bit and 8-bit resistor
networks, volatile memory configurations, and
Potentiometer and Rheostat pinouts.
Package Types (top view)
MCP45X1
Single Potentiometer
MCP45X2
Single Rheostat
HVC / A0
SCL
SDA
VSS
18
27
36
45
MSOP
VDD
P0B
P0W
P0A
HVC / A0
SCL
SDA
VSS
18
27
36
45
MSOP
VDD
A1
P0B
P0W
HVC / A0 1
8 VDD HVC / A0 1
8 VDD
SCL 2 EP 7 P0B
SDA 3 9 6 P0W
SCL 2 EP 7 A1
SDA 3 9 6 P0B
VSS 4
5 P0A
VSS 4
5 P0W
DFN 3x3 (MF) *
DFN 3x3 (MF) *
MCP46X1 Dual Potentiometers
HVC/A0
SCL
SDA
VSS
P1B
P1W
P1A
1
2
3
4
5
6
7
14 VDD
16 15 14 13
13 A1 SCL 1
12 NC
12 A2 SDA 2 EP 11 NC
11 NC
10 P0B
9 P0W
8 P0A
VSS 3
17 10 P0B
VSS 4
9 P0W
5678
TSSOP
QFN-16 4x4 (ML) *
MCP46X2 Dual Rheostat
HVC/A0
SCL
SDA
VSS
P1B
1 10
29
38
47
56
MSOP
VDD HVC / A0 1
A1
P0B
P0W
P1W
SCL 2
SDA 3
VSS 4
P1B 5
10 VDD
9 A1
EP 8 P0B
11 7 P0W
6 P1W
DFN 3x3 (MF) *
* Includes Exposed Thermal Pad (EP); see Table 3-1.
2008-2013 Microchip Technology Inc.
DS22096B-page 1
1 page  
MCP453X/455X/463X/465X
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 k, 10 k, 50 k, 100 k 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 k -502 devices(Note 1)
8.0 10 12.0 k -103 devices(Note 1)
40.0 50 60.0 k -503 devices(Note 1)
80.0 100 120.0 k -104 devices(Note 1)
Resolution
N 257 Taps 8-bit No Missing Codes
Step Resistance
Nominal
Resistance Match
Wiper Resistance
(Note 3, Note 4)
Nominal
Resistance
Tempco
Ratiometeric
Tempco
RS —
—
|RAB0-RAB1|
/RAB
|RBW0-RBW1
| /RBW
RW
RAB/T
VWB/T
—
—
—
—
—
—
—
—
129
RAB/
(256)
RAB/
(128)
0.2
—
—
1.25
Taps 7-bit
8-bit
No Missing Codes
Note 6
7-bit Note 6
% MCP46X1 devices only
0.25
75
75
50
100
150
15
1.5 % MCP46X2 devices only,
Code = Full-Scale
160 VDD = 5.5 V, IW = 2.0 mA, code = 00h
300 VDD = 2.7 V, IW = 2.0 mA, code = 00h
— ppm/°C TA = -20°C to +70°C
— ppm/°C TA = -40°C to +85°C
— ppm/°C TA = -40°C to +125°C
— 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
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 overvoltage and
temperature.
8: The MCP4XX1 is externally connected to match the configurations of the MCP45X2 and MCP46X2, and
then tested.
9: POR/BOR is not rate dependent.
10: Supply current is independent of current through the resistor network.
11: When HVC/A0 = VIHH, the IDD current is less due to current into the HVC/A0 pin. See IPU specification.
2008-2013 Microchip Technology Inc.
DS22096B-page 5
5 Page 
MCP453X/455X/463X/465X
AC/DC CHARACTERISTICS (CONTINUED)
DC Characteristics
Parameters
Sym
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 k, 10 k, 50 k, 100 k devices.
Typical specifications represent values for VDD = 5.5V, TA = +25°C.
Min Typ Max Units
Conditions
Digital Inputs/Outputs (SDA, SCK, HVC/A0, A1, A2, WP)
Schmitt Trigger High
Input Threshold
VIH 0.45 VDD — —
0.5 VDD —
—
V All 2.7V VDD 5.5V
Inputs (Allows 2.7V Digital VDD with
except 5V Analog VDD)
V
SDA
and
1.8V VDD 2.7V
SCL
0.7 VDD — VMAX
0.7 VDD — VMAX
0.7 VDD — VMAX
V
V
V
SDA
and
SCL
100 kHz
400 kHz
1.7 MHz
0.7 VDD — VMAX V
3.4 Mhz
Schmitt Trigger Low
Input Threshold
VIL — — 0.2VDD V All inputs except SDA and SCL
-0.5 — 0.3VDD V
100 kHz
-0.5
— 0.3VDD V
SDA 400 kHz
and
-0.5 — 0.3VDD V SCL 1.7 MHz
-0.5 — 0.3VDD V
3.4 Mhz
Hysteresis of Schmitt
Trigger Inputs (Note 6)
VHYS
— 0.1VD —
D
V All inputs except SDA and SCL
N.A.
N.A.
0.1 VDD
0.05 VDD
—
—
—
—
—
—
—
—
V 100 kHz VDD < 2.0V
V VDD 2.0V
V
SDA
and
400 kHz
VDD < 2.0V
V SCL
VDD 2.0V
0.1 VDD —
—
V
1.7 MHz
High Voltage Limit
VMAX
0.1 VDD —
—
V
3.4 Mhz
— — 12.5 (6) V Pin can tolerate VMAX or less.
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 overvoltage and
temperature.
8: The MCP4XX1 is externally connected to match the configurations of the MCP45X2 and MCP46X2, and
then tested.
9: POR/BOR is not rate dependent.
10: Supply current is independent of current through the resistor network.
11: When HVC/A0 = VIHH, the IDD current is less due to current into the HVC/A0 pin. See IPU specification.
2008-2013 Microchip Technology Inc.
DS22096B-page 11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MCP4541.PDF ] | |
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