Key facts
- Brand
- Linear Technology
- Model
- LTC691
- Category
- Other Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2012-04-09
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Linear Technology LTC690/LTC691/LTC694/LTC695 Handbook
This handbook describes the LTC690 family of microprocessor supervisory circuits, which integrate reset, battery backup, power‑failure warning, and watchdog timing functions in a single chip. It explains the internal architecture, pin functions, and operation modes for the LTC690, LTC691, LTC694, and LTC695 devices.
The document provides electrical characteristics, package options, timing diagrams, and application notes such as battery switchover, memory protection, and external watchdog usage. It also includes recommended external components and design guidelines for reliable operation in microprocessor systems.
Linear Technology LTC691 specifications
| Supply Voltage Range (VCC) | 4.75 V – 5.50 V |
|---|---|
| Battery Backup Voltage (VBATT) | 2.00 V – 4.25 V |
| Reset Assertion Voltage | 1 V |
Source: Linear Technology LTC690/LTC691/LTC694/LTC695 Handbook
All Linear Technology LTC691 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the maximum supply voltage for the LTC6912?
The LTC6912 can be powered up to 10.5 V.
How many gain settings does the LTC6912‑1 provide?
It offers eight gain settings: 0, 1, 2, 5, 10, 20, 50, and 100 V/V.