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SX8661Z датащи(PDF) 33 Page - Semtech Corporation

номер детали SX8661Z
подробное описание детали  Low Power, Capacitive Button Touch and Proximity Controller with LED Drivers and Analog Output
PDF  87 Pages
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производитель  SEMTECH [Semtech Corporation]
домашняя страница  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SX8661Z датащи(HTML) 33 Page - Semtech Corporation

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ADVANCED COMMUNICATIONS & SENSING
DATASHEET
Revision v4.0, February 2016
© 2012 Semtech Corp.
www.semtech.com
33
SX8661Z
Low Power, Capacitive Button Touch and Proximity Controller
(8 sensors) with LED Drivers and Analog Output
9
10/2
41
42/6
73
74/15
105
106/32
137
138/56
169
170/92
201
202/140
233
234/203
10
11/2
42
43/7
74
75/16
106
107/32
138
139/57
170
171/93
202
203/142
234
235/205
11
12/2
43
44/7
75
76/16
107
108/33
139
140/58
171
172/95
203
204/144
235
236/208
12
13/2
44
45/7
76
77/16
108
109/33
140
141/59
172
173/96
204
205/146
236
237/210
13
14/2
45
46/7
77
78/17
109
110/34
141
142/60
173
174/97
205
206/147
237
238/212
14
15/3
46
47/7
78
79/17
110
111/35
142
143/61
174
175/99
206
207/149
238
239/215
15
16/3
47
48/8
79
80/18
111
112/35
143
144/62
175
176/100
207
208/151
239
240/217
16
17/3
48
49/8
80
81/18
112
113/36
144
145/63
176
177/101
208
209/153
240
241/219
17
18/3
49
50/8
81
82/19
113
114/37
145
146/64
177
178/103
209
210/155
241
242/221
18
19/3
50
51/8
82
83/19
114
115/38
146
147/65
178
179/104
210
211/156
242
243/224
19
20/3
51
52/9
83
84/20
115
116/38
147
148/66
179
180/106
211
212/158
243
244/226
20
21/3
52
53/9
84
85/20
116
117/39
148
149/67
180
181/107
212
213/160
244
245/229
21
22/3
53
54/9
85
86/21
117
118/40
149
150/68
181
182/109
213
214/162
245
246/231
22
23/3
54
55/9
86
87/21
118
119/40
150
151/69
182
183/110
214
215/164
246
247/233
23
24/4
55
56/10
87
88/22
119
120/41
151
152/71
183
184/111
215
216/166
247
248/236
24
25/4
56
57/10
88
89/22
120
121/42
152
153/72
184
185/113
216
217/168
248
249/238
25
26/4
57
58/10
89
90/23
121
122/43
153
154/73
185
186/114
217
218/170
249
250/241
26
27/4
58
59/10
90
91/23
122
123/44
154
155/74
186
187/116
218
219/172
250
251/243
27
28/4
59
60/11
91
92/24
123
124/44
155
156/75
187
188/117
219
220/174
251
252/246
28
29/4
60
61/11
92
93/24
124
125/45
156
157/76
188
189/119
220
221/176
252
253/248
29
30/4
61
62/11
93
94/25
125
126/46
157
158/77
189
190/121
221
222/178
253
254/251
30
31/4
62
63/12
94
95/25
126
127/47
158
159/78
190
191/122
222
223/180
254
255/253
31
32/5
63
64/12
95
96/26
127
128/48
159
160/80
191
192/124
223
224/182
255
256/256
Table 9 Intensity index vs. PWM pulse width (normal polarity)
Index
Lin/Log
Index
Lin/Log
Index
Lin/Log
Index
Lin/Log
Index
Lin/Log
Index
Lin/Log
Index
Lin/Log
Index
Lin/Log
0
256/256
32
224/251
64
192/244
96
160/230
128
128/208
160
96/175
192
64/131
224
32/72
1
255/256
33
223/251
65
191/243
97
159/229
129
127/207
161
95/174
193
63/129
225
31/70
2
254/256
34
222/251
66
190/243
98
158/229
130
126/206
162
94/173
194
62/127
226
30/68
3
253/256
35
221/251
67
189/243
99
157/228
131
125/205
163
93/172
195
61/126
227
29/66
4
252/256
36
220/251
68
188/242
100
156/227
132
124/204
164
92/170
196
60/124
228
28/64
5
251/254
37
219/250
69
187/242
101
155/227
133
123/203
165
91/169
197
59/123
229
27/62
6
250/254
38
218/250
70
186/242
102
154/226
134
122/202
166
90/168
198
58/121
230
26/59
7
249/254
39
217/250
71
185/241
103
153/226
135
121/201
167
89/167
199
57/119
231
25/57
8
248/254
40
216/250
72
184/241
104
152/225
136
120/201
168
88/165
200
56/117
232
24/55
9
247/254
41
215/250
73
183/241
105
151/224
137
119/200
169
87/164
201
55/116
233
23/53
10
246/254
42
214/249
74
182/240
106
150/224
138
118/199
170
86/163
202
54/114
234
22/50
11
245/254
43
213/249
75
181/240
107
149/223
139
117/198
171
85/161
203
53/112
235
21/48
12
244/254
44
212/249
76
180/240
108
148/223
140
116/197
172
84/160
204
52/110
236
20/46
13
243/254
45
211/249
77
179/239
109
147/222
141
115/196
173
83/159
205
51/109
237
19/44
14
242/253
46
210/249
78
178/239
110
146/221
142
114/195
174
82/157
206
50/107
238
18/41
15
241/253
47
209/248
79
177/238
111
145/221
143
113/194
175
81/156
207
49/105
239
17/39
16
240/253
48
208/248
80
176/238
112
144/220
144
112/193
176
80/155
208
48/103
240
16/37
17
239/253
49
207/248
81
175/237
113
143/219
145
111/192
177
79/153
209
47/101
241
15/35
18
238/253
50
206/248
82
174/237
114
142/218
146
110/191
178
78/152
210
46/100
242
14/32
19
237/253
51
205/247
83
173/236
115
141/218
147
109/190
179
77/150
211
45/98
243
13/30
20
236/253
52
204/247
84
172/236
116
140/217
148
108/189
180
76/149
212
44/96
244
12/27
21
235/253
53
203/247
85
171/235
117
139/216
149
107/188
181
75/147
213
43/94
245
11/25
22
234/253
54
202/247
86
170/235
118
138/216
150
106/187
182
74/146
214
42/92
246
10/23
23
233/252
55
201/246
87
169/234
119
137/215
151
105/185
183
73/145
215
41/90
247
9/20
24
232/252
56
200/246
88
168/234
120
136/214
152
104/184
184
72/143
216
40/88
248
8/18
25
231/252
57
199/246
89
167/233
121
135/213
153
103/183
185
71/142
217
39/86
249
7/15
26
230/252
58
198/246
90
166/233
122
134/212
154
102/182
186
70/140
218
38/84
250
6/13
27
229/252
59
197/245
91
165/232
123
133/212
155
101/181
187
69/139
219
37/82
251
5/10
28
228/252
60
196/245
92
164/232
124
132/211
156
100/180
188
68/137
220
36/80
252
4/8
29
227/252
61
195/245
93
163/231
125
131/210
157
99/179
189
67/135
221
35/78
253
3/5
30
226/252
62
194/244
94
162/231
126
130/209
158
98/178
190
66/134
222
34/76
254
2/3
31
225/251
63
193/244
95
161/230
127
129/208
159
97/176
191
65/132
223
33/74
255
0/0
Table 10
Intensity index vs. PWM pulse width (inverted polarity)
Recommended/default settings are inverted polarity (to take advantage from high sink current capability) and
logarithmic mode (due to the non-linear response of the human eye).
3.17.5 GPO Triple Reporting
The button information touch and release can be reported on the LEDs in dual mode (ON and OFF).
The proximity information can be shown using the dual mode by attributing a dedicated LED to the proximity
sensor. The LED will show then proximity detected or no proximity detected. The fading principles are equal to the
fading of sensors defined as buttons as described in the previous sections.
In triple mode proximity is reported on all LEDs by an intermediate LED intensity.



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