MCP41050-I/SN Microchip Technology, MCP41050-I/SN Datasheet - Page 10

• Manufacturer Part Number: MCP41050-I/SN
• Description: IC POT DIGITAL 50K 1CH SPI 8SOIC
• Manufacturer: Microchip Technology

Specifications of MCP41050-I/SN

• Package / Case: 8-SOIC (3.9mm Width)
• Taps: 256
• Resistance (ohms): 50K
• Number Of Circuits: 1
• Temperature Coefficient: 800 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Resistance In Ohms: 50K
• Number Of Pots: Single
• Taps Per Pot: 256
• Resistance: 50 KOhms
• Buffered Wiper: Buffered
• Digital Interface: Serial
• Operating Supply Voltage: 2.7 V to 5.5 V
• Supply Current: 340 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Description/function: 256 Step SPI 50k Ohm with SPI Interface
• Mounting Style: SMD/SMT
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

MCP41XXX/42XXX
Note: Unless otherwise indicated, curve represents 10 k , 50 k and 100 k devices, V
V
FIGURE 2-19:
50k Potentiometer.
FIGURE 2-20:
100k Potentiometer.
FIGURE 2-21:
DS11195C-page 10
B
= 0V.
-12
-18
-24
-30
-36
-42
-48
-54
-60
-12
-18
-24
-30
-36
-12
-18
-24
-30
-36
-42
-48
-54
-60
-6
-6
-6
6
0
6
0
0
100
100
1k
C
MCP41050, MCP42050 (50k potentiometers)
C
MCP41100, MCP42100 (100k
C
Refer to Figure 2-29
L
L
= 30pF, Refer to Figure 2-29
L
= 30pF, Refer to Figure 2-29
= 30 pF, Code = 80h
1k
1k
10k
Gain vs. Frequency for
Gain vs. Frequency for
-3 dB Bandwidths.
Code = FFh
Code = 80h
Code = 40h
Code = 20h
Code = 10h
Code = 08h
Code = 04h
Code = 02h
Code = 01h
Code = FFh
Code = 80h
Code = 40h
Code = 20h
Code = 10h
Code = 08h
Code = 04h
Code = 02h
Code = 01h
Frequency (Hz)
10k
Frequency (Hz)
Frequency (Hz)
145 kHz
potentiometers)
10k
100k
279 kHz
100k
100 k
100k
1M
1.06 MHz
1M
50 k
10 k
10M
10M
1M
FIGURE 2-22:
Ratio vs. Frequency.
FIGURE 2-23:
Voltage.
FIGURE 2-24:
Resistance vs. Voltage.
40
35
30
25
20
15
10
700
600
500
400
300
200
100
450
400
350
300
250
200
150
100
5
0
50
0
0
1k
0
0
10 k Potentiometer
1
1
10k
100 k Potentiometer
Terminal B Voltage (V)
Terminal B Voltage (V)
Power Supply Rejection
10 k Wiper Resistance vs.
50 k & 100 k Wiper
Frequency (Hz)
V
DD
DD
2003 Microchip Technology Inc.
2
2
= 2.7V
V
DD
= 5V, V
= 2.7V
100k
3
3
SS
MCP41010, MCP42010
Iw = 1 mA, Code = 00h,
Refer to Figure 2-27
V
DD
V
= 0V, T
50 k Potentiometer
DD
Code = 00h
Refer to Figure 2-27
= 5V
V
Code = 80h,
C
V
Refer to Figure 2-28
DD
L
A
= 5V
= 27 pF,
= 4V
1M
= 4.5V to 5.5V,
4
4
A
= +25°C,
10M
5
5