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參數(shù)資料
| 型號： | LTC6991HS6#TRMPBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 1/24頁 |
| 文件大小： | 0K |
| 描述： | IC OSC SILICON 977HZ TSOT23-6 |
| 產(chǎn)品培訓(xùn)模塊： | TimerBlox Family Timing Devices |
| 產(chǎn)品目錄繪圖： | LTC699_TSOT-23 |
| 特色產(chǎn)品： | LTC?6991 Silicon Oscillator TimerBlox? |
| 標準包裝： | 1 |
| 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 ~ 125°C |
| 封裝/外殼： | SOT-23-6 細型，TSOT-23-6 |
| 包裝： | 標準包裝 |
| 供應(yīng)商設(shè)備封裝： | TSOT-23-6 |
| 安裝類型： | 表面貼裝 |
| 配用： | DC1562A-B-ND - BOARD EVAL LTC6991 |
| 其它名稱： | LTC6991HS6#TRMPBFDKR |
LTC6991
1
6991fb
TYPICAL APPLICATION
FEATURES
DESCRIPTION
TimerBlox: Resettable, Low
Frequency Oscillator
The LTC6991 is a silicon oscillator with a programmable
period range of 1.024ms to 9.54 hours (29.1μHz to 977Hz),
specifically intended for long duration timing events. The
LTC6991 is part of the TimerBlox family of versatile silicon
timing devices.
A single resistor, RSET, programs the LTC6991’s internal
master oscillator frequency. The output clock period
is determined by this master oscillator and an internal
frequency divider, NDIV, programmable to eight settings
from 1 to 221.
tOUT =
NDIV RSET
50k
Ω
1.024ms, NDIV = 1,8,64,...,221
In normal operation, the LTC6991 oscillates with a 50%
duty cycle. A reset function is provided to truncate the
pulse (reducing the duty cycle). The reset pin can also be
used to prevent the output from oscillating.
The RST and OUT pins can be configured for active-low
or active-high operation using a polarity function.
POL BIT
RST PIN
OUTPUT STATE
0
Oscillating
0
1
0 (reset)
1
0
1 (reset)
1
Oscillating
For easy configuration of the LTC6991, download the
TimerBlox Designer tool at www.linear.com/timerblox.
APPLICATIONS
n Period Range: 1ms to 9.5 Hours
n Configured with 1 to 3 Resistors
n <1.5% Maximum Frequency Error
n Output Reset Function
n 2.25V to 5.5V Single Supply Operation
n 55μA to 80μA Supply Current
(2ms to 9.5hr Clock Period)
n 500μs Start-Up Time
n CMOS Output Driver Sources/Sinks 20mA
n –55°C to 125°C Operating Temperature Range
n Available in Low Profile (1mm) SOT-23 (ThinSOT)
and 2mm × 3mm DFN Packages
n “Heartbeat” Timers
n Watchdog Timers
n Intervalometers
n Periodic “Wake-Up” Call
n High Vibration, High Acceleration Environments
n Portable and Battery-Powered Equipment
L, LT, LTC, LTM, Linear Technology, TimerBlox and the Linear logo are registered trademarks
and ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners.
Low Frequency Pulse Generator
Clock Period Range over Eight Divider Settings
DIV PIN VOLTAGE, VDIV (V)
0
CLOCK
PERIOD
(LOG
SCALE)
10Sec
10Min
2.5
6991 TA01b
100ms
1ms
0.625
1.25
1.875
10Hr
1Sec
1Min
10ms
1Hr
LTC6991
5V
0.1μF
OUT
R1
1M
R2
392k
RSET
715k
RST
GND
SET
OUT
V+
DIV
CPW
470pF
RPW
2.26k
6991 TA01a
60 SECONDS
1μs PULSE WIDTH
tPULSE ≈ RPW
PW ≈ 1μs
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| LTC6991IDCB#PBF | 制造商:Linear Technology 功能描述: |
| LTC6991IDCB#TRMPBF | 功能描述:IC OSC SILICON 977HZ 6-DFN RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 可編程計時器和振蕩器 系列:TimerBlox® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:45 系列:- 類型:溫度 - 補償晶體振蕩器（TCXO） 計數(shù):- 頻率:25MHz 電源電壓:3.135 V ~ 3.465 V 電流 - 電源:1.5mA 工作溫度:-40°C ~ 85°C 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 包裝:管件 供應(yīng)商設(shè)備封裝:16-SOIC W 安裝類型:表面貼裝 |
| LTC6991IDCB#TRPBF | 功能描述:IC OSC SILICON 977HZ 6-DFN RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 可編程計時器和振蕩器 系列:TimerBlox® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:45 系列:- 類型:溫度 - 補償晶體振蕩器（TCXO） 計數(shù):- 頻率:25MHz 電源電壓:3.135 V ~ 3.465 V 電流 - 電源:1.5mA 工作溫度:-40°C ~ 85°C 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 包裝:管件 供應(yīng)商設(shè)備封裝:16-SOIC W 安裝類型:表面貼裝 |
| LTC6991IDCBPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:TimerBlox: Resettable, Low Frequency Oscillator |
| LTC6991IS6#PBF | 制造商:Linear Technology 功能描述: 制造商:Linear Technology 功能描述:OSCILLATOR 977HZ 5.5V TSOT-23-6 制造商:Linear Technology 功能描述:OSCILLATOR, 977HZ, 5.5V, TSOT-23-6 制造商:Linear Technology 功能描述:SC-Timing, Cut Tape Low Frequency Clock 制造商:Linear Technology 功能描述:OSCILLATOR, 977HZ, 5.5V, TSOT-23-6, Operating Mode:-, Frequency:977Hz, Supply Voltage Min:2.25V, Supply Voltage Max:5.5V, Digital IC Case Style:TSOT-23, No. of Pins:6, Operating Temperature Min:-40C, Operating Temperature Max:85C , RoHS Compliant: Yes |
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