Datasheet for LTC6991IS6#TRMPBF:
- Manufacturer Part Number : LTC6991IS6#TRMPBF
- Manufacturer : AD
- Description : TimerBlox: Resettable, Low Frequency Oscillator IC
- Series : LTC6991
- Reference Price : USD 1.28
- Our Price : We have a better price, contact us by email
- Product Type : TimerBlox
- Function : -
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 6-Lead SOT-23
- Pins : 6
- MFG Package Case : 05-08-1636
- Part Type : OTH
- Standard Packing Type : Reel
- Standard Packing Quantity : 500
- Working Temperature : -40 to 85C
- Other Part Number : LTC6991IS6#TRMPBF
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- Period Range: 1ms to 9.5 Hours
- Configured with 1 to 3 Resistors
- <1.5% Maximum Frequency Error
- Output Reset Function
- 2.25V to 5.5V Single Supply Operation
- 55µA to 80µA Supply Current
- (2ms to 9.5hr Clock Period)
- 500µs Start-Up Time
- CMOS Output Driver Sources/Sinks 20mA
- –55°C to 125°C Operating Temperature Range
- Available in Low Profile (1mm) SOT-23 (ThinSOT™) and 2mm × 3mm DFN Packages
- AEC-Q100 Qualified for Automotive Applications
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.
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 | 0 | Oscillating |
| 0 | 1 | 0 (reset) |
| 1 | 0 | 1 (reset) |
| 1 | 1 | Oscillating |
Applications
- “Heartbeat” Timers
- Watchdog Timers
- Intervalometers
- Periodic “Wake-Up” Call
- High Vibration, High Acceleration Environments
- Portable and Battery-Powered Equipment
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
