SLIS136C September   2011  – September 2019 TPL0501-100

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Schematic
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Thermal Information
    4. 6.4 Electrical Characteristics: Analog Specifications
    5. 6.5 Electrical Characteristics: Operating Specifications
    6. 6.6 Timing Requirements
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Single-Channel, 256-Position Resolution
    4. 7.4 Device Functional Modes
      1. 7.4.1 Voltage Divider Mode
      2. 7.4.2 Rheostat Mode
    5. 7.5 Programming
      1. 7.5.1 SPI Digital Interface
        1. Table 1. Register Map - Default Value 0x80
      2. 7.5.2 Ideal Resistance Values
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curve
  9. 9 Power Supply Recommendations
    1. 9.1 Power Sequence
    2. 9.2 Wiper Position Upon Power Up
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Support Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

7.5.2 Ideal Resistance Values

TPL0501-100 resval_fig.gifFigure 17. Digital Potentiometer Measurements

Table 2 shows the ideal values for DPOT with end-to-end resistance of 100 kΩ. The absolute values of resistance can vary significantly but the Ratio (RWL/RHW) is extremely accurate.

Table 2. DPOT Ideal Values

STEP BINARY 100 kΩ RWL/RHW
RWL (kΩ) RHW (kΩ)
0 00000000 0.00 100.00 0.00
1 00000001 0.39 99.61 0.00
2 00000010 0.78 99.22 0.01
3 00000011 1.17 98.83 0.01
4 00000100 1.56 98.44 0.02
5 00000101 1.95 98.05 0.02
6 00000110 2.34 97.66 0.02
7 00000111 2.73 97.27 0.03
8 00001000 3.13 96.88 0.03
9 00001001 3.52 96.48 0.04
10 00001010 3.91 96.09 0.04
11 00001011 4.30 95.70 0.04
12 00001100 4.69 95.31 0.05
13 00001101 5.08 94.92 0.05
14 00001110 5.47 94.53 0.06
15 00001111 5.86 94.14 0.06
16 00010000 6.25 93.75 0.07
17 00010001 6.64 93.36 0.07
18 00010010 7.03 92.97 0.08
19 00010011 7.42 92.58 0.08
20 00010100 7.81 92.19 0.08
21 00010101 8.20 91.80 0.09
22 00010110 8.59 91.41 0.09
23 00010111 8.98 91.02 0.10
24 00011000 9.38 90.63 0.10
25 00011001 9.77 90.23 0.11
26 00011010 10.16 89.84 0.11
27 00011011 10.55 89.45 0.12
28 00011100 10.94 89.06 0.12
29 00011101 11.33 88.67 0.13
30 00011110 11.72 88.28 0.13
31 00011111 12.11 87.89 0.14
32 00100000 12.50 87.50 0.14
33 00100001 12.89 87.11 0.15
34 00100010 13.28 86.72 0.15
35 00100011 13.67 86.33 0.16
36 00100100 14.06 85.94 0.16
37 00100101 14.45 85.55 0.17
38 00100110 14.84 85.16 0.17
39 00100111 15.23 84.77 0.18
40 00101000 15.63 84.38 0.19
41 00101001 16.02 83.98 0.19
42 00101010 16.41 83.59 0.20
43 00101011 16.80 83.20 0.20
44 00101100 17.19 82.81 0.21
45 00101101 17.58 82.42 0.21
46 00101110 17.97 82.03 0.22
47 00101111 18.36 81.64 0.22
48 00110000 18.75 81.25 0.23
49 00110001 19.14 80.86 0.24
50 00110010 19.53 80.47 0.24
51 00110011 19.92 80.08 0.25
52 00110100 20.31 79.69 0.25
53 00110101 20.70 79.30 0.26
54 00110110 21.09 78.91 0.27
55 00110111 21.48 78.52 0.27
56 00111000 21.88 78.13 0.28
57 00111001 22.27 77.73 0.29
58 00111010 22.66 77.34 0.29
59 00111011 23.05 76.95 0.30
60 00111100 23.44 76.56 0.31
61 00111101 23.83 76.17 0.31
62 00111110 24.22 75.78 0.32
63 00111111 24.61 75.39 0.33
64 01000000 25.00 75.00 0.33
65 01000001 25.39 74.61 0.34
66 01000010 25.78 74.22 0.35
67 01000011 26.17 73.83 0.35
68 01000100 26.56 73.44 0.36
69 01000101 26.95 73.05 0.37
70 01000110 27.34 72.66 0.38
71 01000111 27.73 72.27 0.38
72 01001000 28.13 71.88 0.39
73 01001001 28.52 71.48 0.40
74 01001010 28.91 71.09 0.41
75 01001011 29.30 70.70 0.41
76 01001100 29.69 70.31 0.42
77 01001101 30.08 69.92 0.43
78 01001110 30.47 69.53 0.44
79 01001111 30.86 69.14 0.45
80 01010000 31.25 68.75 0.45
81 01010001 31.64 68.36 0.46
82 01010010 32.03 67.97 0.47
83 01010011 32.42 67.58 0.48
84 01010100 32.81 67.19 0.49
85 01010101 33.20 66.80 0.50
86 01010110 33.59 66.41 0.51
87 01010111 33.98 66.02 0.51
88 01011000 34.38 65.63 0.52
89 01011001 34.77 65.23 0.53
90 01011010 35.16 64.84 0.54
91 01011011 35.55 64.45 0.55
92 01011100 35.94 64.06 0.56
93 01011101 36.33 63.67 0.57
94 01011110 36.72 63.28 0.58
95 01011111 37.11 62.89 0.59
96 01100000 37.50 62.50 0.60
97 01100001 37.89 62.11 0.61
98 01100010 38.28 61.72 0.62
99 01100011 38.67 61.33 0.63
100 01100100 39.06 60.94 0.64
101 01100101 39.45 60.55 0.65
102 01100110 39.84 60.16 0.66
103 01100111 40.23 59.77 0.67
104 01101000 40.63 59.38 0.68
105 01101001 41.02 58.98 0.70
106 01101010 41.41 58.59 0.71
107 01101011 41.80 58.20 0.72
108 01101100 42.19 57.81 0.73
109 01101101 42.58 57.42 0.74
110 01101110 42.97 57.03 0.75
111 01101111 43.36 56.64 0.77
112 01110000 43.75 56.25 0.78
113 01110001 44.14 55.86 0.79
114 01110010 44.53 55.47 0.80
115 01110011 44.92 55.08 0.82
116 01110100 45.31 54.69 0.83
117 01110101 45.70 54.30 0.84
118 01110110 46.09 53.91 0.86
119 01110111 46.48 53.52 0.87
120 01111000 46.88 53.13 0.88
121 01111001 47.27 52.73 0.90
122 01111010 47.66 52.34 0.91
123 01111011 48.05 51.95 0.92
124 01111100 48.44 51.56 0.94
125 01111101 48.83 51.17 0.95
126 01111110 49.22 50.78 0.97
127 01111111 49.61 50.39 0.98
128 10000000 50.00 50.00 1.00
129 10000001 50.39 49.61 1.02
130 10000010 50.78 49.22 1.03
131 10000011 51.17 48.83 1.05
132 10000100 51.56 48.44 1.06
133 10000101 51.95 48.05 1.08
134 10000110 52.34 47.66 1.10
135 10000111 52.73 47.27 1.12
136 10001000 53.13 46.88 1.13
137 10001001 53.52 46.48 1.15
138 10001010 53.91 46.09 1.17
139 10001011 54.30 45.70 1.19
140 10001100 54.69 45.31 1.21
141 10001101 55.08 44.92 1.23
142 10001110 55.47 44.53 1.25
143 10001111 55.86 44.14 1.27
144 10010000 56.25 43.75 1.29
145 10010001 56.64 43.36 1.31
146 10010010 57.03 42.97 1.33
147 10010011 57.42 42.58 1.35
148 10010100 57.81 42.19 1.37
149 10010101 58.20 41.80 1.39
150 10010110 58.59 41.41 1.42
151 10010111 58.98 41.02 1.44
152 10011000 59.38 40.63 1.46
153 10011001 59.77 40.23 1.49
154 10011010 60.16 39.84 1.51
155 10011011 60.55 39.45 1.53
156 10011100 60.94 39.06 1.56
157 10011101 61.33 38.67 1.59
158 10011110 61.72 38.28 1.61
159 10011111 62.11 37.89 1.64
160 10100000 62.50 37.50 1.67
161 10100001 62.89 37.11 1.69
162 10100010 63.28 36.72 1.72
163 10100011 63.67 36.33 1.75
164 10100100 64.06 35.94 1.78
165 10100101 64.45 35.55 1.81
166 10100110 64.84 35.16 1.84
167 10100111 65.23 34.77 1.88
168 10101000 65.63 34.38 1.91
169 10101001 66.02 33.98 1.94
170 10101010 66.41 33.59 1.98
171 10101011 66.80 33.20 2.01
172 10101100 67.19 32.81 2.05
173 10101101 67.58 32.42 2.08
174 10101110 67.97 32.03 2.12
175 10101111 68.36 31.64 2.16
176 10110000 68.75 31.25 2.20
177 10110001 69.14 30.86 2.24
178 10110010 69.53 30.47 2.28
179 10110011 69.92 30.08 2.32
180 10110100 70.31 29.69 2.37
181 10110101 70.70 29.30 2.41
182 10110110 71.09 28.91 2.46
183 10110111 71.48 28.52 2.51
184 10111000 71.88 28.13 2.56
185 10111001 72.27 27.73 2.61
186 10111010 72.66 27.34 2.66
187 10111011 73.05 26.95 2.71
188 10111100 73.44 26.56 2.76
189 10111101 73.83 26.17 2.82
190 10111110 74.22 25.78 2.88
191 10111111 74.61 25.39 2.94
192 11000000 75.00 25.00 3.00
193 11000001 75.39 24.61 3.06
194 11000010 75.78 24.22 3.13
195 11000011 76.17 23.83 3.20
196 11000100 76.56 23.44 3.27
197 11000101 76.95 23.05 3.34
198 11000110 77.34 22.66 3.41
199 11000111 77.73 22.27 3.49
200 11001000 78.13 21.88 3.57
201 11001001 78.52 21.48 3.65
202 11001010 78.91 21.09 3.74
203 11001011 79.30 20.70 3.83
204 11001100 79.69 20.31 3.92
205 11001101 80.08 19.92 4.02
206 11001110 80.47 19.53 4.12
207 11001111 80.86 19.14 4.22
208 11010000 81.25 18.75 4.33
209 11010001 81.64 18.36 4.45
210 11010010 82.03 17.97 4.57
211 11010011 82.42 17.58 4.69
212 11010100 82.81 17.19 4.82
213 11010101 83.20 16.80 4.95
214 11010110 83.59 16.41 5.10
215 11010111 83.98 16.02 5.24
216 11011000 84.38 15.63 5.40
217 11011001 84.77 15.23 5.56
218 11011010 85.16 14.84 5.74
219 11011011 85.55 14.45 5.92
220 11011100 85.94 14.06 6.11
221 11011101 86.33 13.67 6.31
222 11011110 86.72 13.28 6.53
223 11011111 87.11 12.89 6.76
224 11100000 87.50 12.50 7.00
225 11100001 87.89 12.11 7.26
226 11100010 88.28 11.72 7.53
227 11100011 88.67 11.33 7.83
228 11100100 89.06 10.94 8.14
229 11100101 89.45 10.55 8.48
230 11100110 89.84 10.16 8.85
231 11100111 90.23 9.77 9.24
232 11101000 90.63 9.38 9.67
233 11101001 91.02 8.98 10.13
234 11101010 91.41 8.59 10.64
235 11101011 91.80 8.20 11.19
236 11101100 92.19 7.81 11.80
237 11101101 92.58 7.42 12.47
238 11101110 92.97 7.03 13.22
239 11101111 93.36 6.64 14.06
240 11110000 93.75 6.25 15.00
241 11110001 94.14 5.86 16.07
242 11110010 94.53 5.47 17.29
243 11110011 94.92 5.08 18.69
244 11110100 95.31 4.69 20.33
245 11110101 95.70 4.30 22.27
246 11110110 96.09 3.91 24.60
247 11110111 96.48 3.52 27.44
248 11111000 96.88 3.13 31.00
249 11111001 97.27 2.73 35.57
250 11111010 97.66 2.34 41.67
251 11111011 98.05 1.95 50.20
252 11111100 98.44 1.56 63.00
253 11111101 98.83 1.17 84.33
254 11111110 99.22 0.78 127.00
255 11111111 99.61 0.39 255.00