MCP4461T-104E/ST Microchip Technology, MCP4461T-104E/ST Datasheet - Page 77

• Manufacturer Part Number: MCP4461T-104E/ST
• Description: IC DGTL POT 257TAPS 100K 20TSSOP
• Manufacturer: Microchip Technology

Specifications of MCP4461T-104E/ST

• Package / Case: 20-TSSOP (0.173", 4.40mm Width)
• Temperature Coefficient: 150 ppm/°C Typical
• Taps: 257
• Resistance (ohms): 100K
• Number Of Circuits: 4
• 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
• Number Of Pots: Quad
• Taps Per Pot: 257
• Resistance: 100 KOhms
• Wiper Memory: Non Volatile
• Buffered Wiper: Buffered
• Digital Interface: I2C
• Operating Supply Voltage: 2.7 V to 5.5 V
• Supply Current: 600 uA
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Description/function: Quad I2C Digital POT with Nonvolatile Memory
• 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

TABLE 8-1:
© 2010 Microchip Technology Inc.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
Note 1:
Steps
# of
Attenuation
Desired
Attenuation values do not include errors from Digital Potentiometer errors, such as Full Scale Error or Zero
Scale Error.
-39 dB
-12 dB
-15 dB
-18 dB
-21 dB
-24 dB
-27 dB
-30 dB
-33 dB
-36 dB
-42 dB
-48 dB
-3 dB
-6 dB
Mute
0 dB
-9dB
LINEAR TO LOG ATTENUATION FOR 8-BIT DIGITAL POTENTIOMETERS
-3 dB Steps
Wiper
Code
256
181
128
91
64
46
32
23
16
11
8
6
4
3
2
1
0
Attenuation
Calculated
-12.041 dB
-18.062 dB
-24.082 dB
-27.337 dB
-30.103 dB
-36.124 dB
-42.144 dB
-14.910 dB
-20.930 dB
-32.602 dB
-38.622 dB
-48.165 dB
-6.021 dB
-8.984 dB
-3.011 dB
Mute
0 dB
(1)
Attenuation
Desired
-10 dB
-12 dB
-14 dB
-16 dB
-18 dB
-20 dB
-22 dB
-24 dB
-26 dB
-28 dB
-30 dB
-32 dB
-34 dB
-36 dB
-38 dB
-42 dB
-48 dB
-2 dB
-4 dB
-6 dB
-8 dB
Mute
0 dB
-2 dB Steps
Wiper
Code
256
203
162
128
102
81
64
51
41
32
26
20
16
13
10
8
6
5
4
3
2
1
0
Attenuation
Calculated
-12.041 dB
-14.013 dB
-15.909 dB
-18.062 dB
-19.865 dB
-22.144 dB
-24.082 dB
-25.886 dB
-28.165 dB
-30.103 dB
-32.602 dB
-34.185 dB
-36.124 dB
-38.622 dB
-42.144 dB
-48.165 dB
-2.015 dB
-3.975 dB
-6.021 dB
-7.993 dB
-9.995 dB
Mute
0 dB
(1)
MCP444X/446X
Attenuation
Desired
-10 dB
-12 dB
-13 dB
-14 dB
-15 dB
-16 dB
-17 dB
-18 dB
-19 dB
-20 dB
-21 dB
-22 dB
-23 dB
-24 dB
-25 dB
-26 dB
-28 dB
-29 dB
-30 dB
-31 dB
-33 dB
-34 dB
-36 dB
-39 dB
-42 dB
-48 dB
-11 dB
-27dB
-1 dB
-2 dB
-3 dB
-4 dB
-5 dB
-6 dB
-7 dB
-8 dB
-9 dB
Mute
0 dB
-1 dB Steps
Wiper
Code
256
228
203
181
162
144
128
102
114
DS22265A-page 77
91
81
72
64 -12.041 dB
57 -13.047 dB
51 -14.013 dB
46
41
36 -17.039 dB
32 -18.062 dB
29
26
23
20 -22.144 dB
18 -23.059 dB
16 -24.082 dB
14 -25.242 dB
13
10 -28.165 dB
11
9
8
7
6
5
4
3
2
1
0
Attenuation
- 14.910 dB
- 20.930 dB
Calculated
-15.909 dB
-18.917 dB
-19.865 dB
-25.886 dB
-27.337 dB
-29.080 dB
-30.103 dB
-31.263 dB
-32.602 dB
-34.185 dB
-36.124 dB
-38.622 dB
-42.144 dB
-48.165 dB
-11.018 dB
-1.006 dB
-2.015 dB
-3.975 dB
-4.998 dB
-6.021 dB
-7.027 dB
-7.993 dB
-8.984 dB
-9.995 dB
-3.011 dB
Mute
0 dB
(1)