NDIV RECOMMENDED " />
參數(shù)資料
型號: LTC6991IDCB#TRMPBF
廠商: Linear Technology
文件頁數(shù): 2/24頁
文件大?。?/td> 0K
描述: IC OSC SILICON 977HZ 6-DFN
產(chǎn)品培訓(xùn)模塊: TimerBlox Family Timing Devices
特色產(chǎn)品: TimerBlox?
標(biāo)準(zhǔn)包裝: 500
系列: TimerBlox®
類型: 振蕩器 - 硅
頻率: 29.1µHz ~ 977Hz
電源電壓: 2.25 V ~ 5.5 V
電流 - 電源: 135µA
工作溫度: -40°C ~ 85°C
封裝/外殼: 6-WFDFN 裸露焊盤
包裝: 帶卷 (TR)
供應(yīng)商設(shè)備封裝: 6-DFN-EP(2x3)
安裝類型: 表面貼裝
配用: DC1562A-B-ND - BOARD EVAL LTC6991
LTC6991
10
6991fb
OPERATION
Table 1. DIVCODE Programming
DIVCODE
POL
NDIV
RECOMMENDED tOUT
R1 (kΩ)
R2 (kΩ)
VDIV/V+
0
1
1.024ms to 16.384ms
Open
Short
≤0.03125 ±0.015
1
0
8
8.192ms to 131ms
976
102
0.09375 ±0.015
2
0
64
65.5ms to 1.05sec
976
182
0.15625 ±0.015
3
0
512
524ms to 8.39sec
1000
280
0.21875 ±0.015
4
0
4,096
4.19sec to 67.1sec
1000
392
0.28125 ±0.015
5
0
32,768
33.6sec to 537sec
1000
523
0.34375 ±0.015
6
0
262,144
268sec to 4,295sec
1000
681
0.40625 ±0.015
7
0
2,097,152
2,147sec to 34,360sec
1000
887
0.46875 ±0.015
8
1
2,097,152
2,147sec to 34,360sec
887
1000
0.53125 ±0.015
9
1
262,144
268sec to 4,295sec
681
1000
0.59375 ±0.015
10
1
32,768
33.6sec to 537sec
523
1000
0.65625 ±0.015
11
1
4,096
4.19sec to 67.1sec
392
1000
0.71875 ±0.015
12
1
512
524ms to 8.39sec
280
1000
0.78125 ±0.015
13
1
64
65.5ms to 1.05sec
182
976
0.84375 ±0.015
14
1
8
8.192ms to 131ms
102
976
0.90625 ±0.015
15
1
1.024ms to 16.384ms
Short
Open
≥0.96875 ±0.015
0.5 V+
t OUT
(SECONDS)
6991 F02
1000
10000
100
10
1
0.001
0.1
0.01
INCREASING VDIV
V+
0V
POL BIT = 0
0
1
2
3
4
5
6
78
9
10
11
12
13
14
15
POL BIT = 1
Figure 2. Frequency Range and POL Bit vs DIVCODE
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