參數(shù)資料
型號： ADM1024ARU-REEL
廠商： ON Semiconductor
文件頁數(shù)： 3/30頁
文件大?。?/td> 0K
描述： IC MONITOR SYS TEMP/VOLT 24TSSOP
產(chǎn)品變化通告： MFG CHG Notification ADI to ON Semi
Product Obsolescence 21/Jan/2010
標(biāo)準(zhǔn)包裝： 2,500
應(yīng)用： PC，PDA
接口： 串行
電源電壓： 2.8 V ~ 5.5 V
封裝/外殼： 24-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 24-TSSOP
包裝： 帶卷 (TR)
安裝類型： 表面貼裝
ADM1024
http://onsemi.com
11
Pins 13 and 14 are dedicated to temperature measurement,
while Pins 15, 16, and 19 are dedicated analog input channels.
Their function is unaffected by the Channel Mode Register.
Pins 5 and 6 can be individually programmed as analog
inputs, or as digital fan speed measurement inputs, by
programming Bits 0 and 1 of the Channel Mode Register.
Bit 3 of the Channel Mode Register configures the internal
VCC measurement range for either 3.3 V or 5.0 V.
Bits 4 to 6 of the Channel Mode Register enable or disable
Pins 22 to 24 when they are configured as interrupt inputs by
setting Bit 7 of the Channel Mode Register. This function is
controlled for Pins 20 and 21 by Bits 6 and 7 of Configuration
Register 2.
Pins 17 and 18 can be configured as analog inputs or as inputs
for external temperature-sensing diodes by programming Bit 2
of the Channel Mode Register.
A truth table for the Channel Mode Register is given in
Table 6.
Table 6. CHANNEL MODE REGISTER (Note 1)
Channel
Mode
Register Bit
Controls
Pin(s)
Function
0
5
0 = FAN1, 1 = AIN1
1
6
0 = FAN2, 1 = AIN2
2
17, 18
0 = 2.5 V, VCCP2, 1 = D2–, D2+
3
Int. VCC
Meas.
0 = 3.3 V, 1 = 5.0 V
4
24
0 = VID0, 1 = IRQ0
5
23
0 = VID1, 1 = IRQ1
6
22
0 = VID2, 1 = IRQ2
7
20–24
0 = VID0 to VID4,
1 = Interrupt Inputs
1. Power-on Default = 0000 0000
Table 7. A/D OUTPUT CODE VS. VIN
Input Voltage
A/D Output
+12 VIN
+5.0 VIN
VCC (3.3 V)
VCC (5.0 V)
+2.5 VIN
+VCCP 1/2
AIN (1/2)
Decimal
Binary
<0.062
<0.026
<0.0172
<0.026
<0.013
<0.014
<0.010
0
00000000
0.062–0.125
0.026–0.052
0.017–0.034
0.026–0.052
0.013–0.026
0.014–0.028
0.010–0.019
1
00000001
0.125–0.188
0.052–0.078
0.034–0.052
0.052–0.078
0.026–0.039
0.028–0.042
0.019–0.029
2
00000010
0.188–0.250
0.078–0.104
0.052–0.069
0.078–0.104
0.039–0.052
0.042–0.056
0.029–0.039
3
00000011
0.250–0.313
0.104–0.130
0.069–0.086
0.104–0.130
0.052–0.065
0.056–0.070
0.039–0.049
4
00000100
0.313–0.375
0.130–0.156
0.086–0.103
0.130–0.156
0.065–0.078
0.070–0.084
0.049–0.058
5
00000101
0.375–0.438
0.156–0.182
0.103–0.120
0.156–0.182
0.078–0.091
0.084–0.098
0.058–0.068
6
00000110
0.438–0.500
0.182–0.208
0.120–0.138
0.182–0.208
0.091–0.104
0.098–0.112
0.068–0.078
7
00000111
0.500–0.563
0.208–0.234
0.138–0.155
0.208–0.234
0.104–0.117
0.112–0.126
0.078–0.087
8
00001000
4.000–4.063
1.666–1.692
1.100–1.117
1.666–1.692
0.833–0.846
0.900–0.914
0.625–0.635
64
(1/4Scale)
01000000
8.000–8.063
3.330–3.560
2.200–2.217
3.330–3.560
1.667–1.680
1.800–1.814
1.250–1.260
128
(1/2Scale)
10000000
12.000–12.063
5.000–5.026
3.300–3.317
5.000–5.026
2.500–2.513
2.700–2.714
1.875–1.885
192
(3/4Scale)
11000000
15.312–15.375
6.380–6.406
4.210–4.230
6.380–6.406
3.190–3.203
3.445–3.459
2.392–2.402
245
11110101
15.375–15.437
6.406–6.432
4.230–4.245
6.406–6.432
3.203–3.216
3.459–3.473
2.402–2.412
246
11110110
15.437–15.500
6.432–6.458
4.245–4.263
6.432–6.458
3.216–3.229
3.473–3.487
2.412–2.422
247
11110111
15.500–15.563
6.458–6.484
4.263–4.280
6.458–6.484
3.229–3.242
3.487–3.501
2.422–2.431
248
11111000
15.563–15.625
6.484–6.510
4.280–4.300
6.484–6.510
3.242–3.255
3.501–3.515
2.431–2.441
249
11111001
15.625–15.688
6.510–6.536
4.300–4.314
6.510–6.536
3.255–3.268
3.515–3.529
2.441–2.451
250
11111010
15.688–15.750
6.536–6.562
4.314–4.331
6.536–6.562
3.268–3.281
3.529–3.543
2.451–2.460
251
11111011
15.750–15.812
6.562–6.588
4.331–4.348
6.562–6.588
3.281–3.294
3.543–3.558
2.460–2.470
252
11111100
15.812–15.875
6.588–6.615
4.348–4.366
6.588–6.615
3.294–3.307
3.558–3.572
2.470–2.480
253
11111101
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