MCP4641-103E/ST Microchip Technology, MCP4641-103E/ST Datasheet - Page 57
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MCP4641-103E/ST
Manufacturer Part Number
MCP4641-103E/ST
Description
IC DGTL POT 10K 256TAPS 14-TSSOP
Manufacturer
Microchip Technology
Specifications of MCP4641-103E/ST
Taps
129
Resistance (ohms)
10K
Number Of Circuits
2
Temperature Coefficient
150 ppm/°C Typical
Memory Type
Non-Volatile
Interface
I²C, 2-Wire Serial
Voltage - Supply
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
14-TSSOP
Resistance In Ohms
10K
End To End Resistance
100kohm
Track Taper
Linear
Resistance Tolerance
± 20%
No. Of Steps
128
Supply Voltage Range
2.7V To 5.5V
Control Interface
I2C, Serial
No. Of Pots
Dual
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
FIGURE 7-2:
FIGURE 7-3:
© 2008 Microchip Technology Inc.
Note:
S
S
0 1 0
0 1 0
Fixed
Address
Fixed
Address
Only functions when writing the volatile wiper registers (AD3:AD0 = 00h, 01h, and 04h)
or the TCON register
Control Byte
Control Byte
AD AD AD AD
3
1
I
1
I
2
2
2
WRITE Command
C Write Sequence.
C Continuous Volatile Wiper Write.
A2 A1 A0 0
Variable
Address
A2 A1 A0 0
Variable
Address
1
0
AD AD AD AD
3
0
Write bit
2
Write bit
WRITE Command
0 x D8 A
1
A
A
AD AD AD AD
0
3
AD AD AD AD
3
Device
Memory
Address
Device
Memory
Address
0
2
WRITE Command
2
MCP453X/455X/463X/465X
WRITE Command
0 x D8 A
1
D7 D6 D5 D4
1
0
0
Write Data bits
Command
Command
0
0
0 x D8 A
0 x D8 A
D7 D6 D5 D4
D3
Write Data bits
D2 D1 D0 A
D7 D6 D5 D4
Write “Data” bits
D7 D6 D5 D4
Write “Data” bits
D3
Write Data bits
Write Data bits
D2 D1 D0 A P
STOP bit
D3
D3
D2 D1 D0 A P
D2 D1 D0 A
DS22096A-page 57