Triple Supply Monitors
Analog Devices triple-supply circuits offer many benefits that help simplify design, such as high accuracy, adjustable thresholds and tolerances, and a guaranteed reset signal down to a low supply voltage. Most ADI supervisors exhibit ±1.5% threshold accuracy around the nominal threshold voltage, which minimizes the required system voltage margin and probability of system malfunction. Voltage supervisors with adjustable or pin-selectable thresholds and tolerances provide users with maximum flexibility, allowing a single part to be used across multiple designs.
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Triple Supply Monitors
| SortOrder | Part# | Reset Voltage | Second Reset Voltage | Third Reset Voltage | Threshold Accuracy (typ) (%) | Isupply (typ) (A) | Reset Pulse Width | Watchdog Timer | Vs+ (max) (V) | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | LTC2911-5 | 3.3V | Adj | Adj | 1.5 | 10µ | 200ms, Adj | No | 6.5 | $1.52 (LTC2911CTS8-5#TRPBF) |
| 2 | LTC2911-4 | 3.3V | 1.2V | Adj | 1.5 | 10µ | 200ms, Adj | No | 6.5 | $1.52 (LTC2911CTS8-4#TRPBF) |
| 3 | LTC2911-3 | 3.3V | 1.8V | Adj | 1.5 | 10µ | 200ms, Adj | No | 6.5 | $1.52 (LTC2911CTS8-3#TRPBF) |
| 4 | LTC2911-2 | 3.3V | 2.5V | Adj | 1.5 | 10µ | 200ms, Adj | No | 6.5 | $1.52 (LTC2911CTS8-2#TRPBF) |
| 5 | LTC2911-1 | 3.3V | 5V | Adj | 1.5 | 10µ | 200ms, Adj | No | 6.5 | $1.52 (LTC2911CTS8-1#TRPBF) |
| 6 | ADM13307 | 1.8V, 2.5V, 3.3V, 5V | 1.8V, 3.3V, 5V | 1.8V, 3.3V, 5V | - | 16µ | - | No | 5.5 | $1.02 (ADM13307-18ARZ) |
| 7 | LTC2919 | 2.5V, 3.3V, 5V, Adj, -Adj | Adj | Adj | 1.5 | 50µ | 200ms | No | 6.5 | $1.75 (LTC2919CDDB-2.5#TRPBF) |
| 8 | LTC2909 | 2.5V, 3.3V, 5V, Adj, -Adj | Adj, -Adj | Adj, -Adj | 1.5 | 50µ | 200ms, Adj | No | 6.5 | $1.61 (LTC2909CDDB-2.5#TRPBF) |
| 9 | LTC1985-1.8 | 3V | 1.8V | Adj | 1.5 | 15µ | 200ms | No | 7 | $1.41 (LTC1985ES5-1.8#TRPBF) |
| 10 | LTC1726-5 | 5V | 3.3V | Adj | 1.5 | 20µ | Adj | Yes | 7 | $1.75 (LTC1726ES8-5#PBF) |
| 11 | LTC1726-2.5 | 3.3V | 2.5V | Adj | 1.5 | 20µ | Adj | Yes | 7 | $1.75 (LTC1726ES8-2.5#PBF) |
| 12 | LTC1728-5 | 5V | 3.3V | Adj | 1.5 | 15µ | 200ms | No | 7 | $1.40 (LTC1728ES5-5#TRPBF) |
| 13 | LTC1728-3.3 | 3.3V | 1.8V | Adj | 1.5 | 15µ | 200ms | No | 7 | $1.40 (LTC1728ES5-3.3#TRPBF) |
| 14 | LTC1728-2.5 | 3.3V | 2.5V | Adj | 1.5 | 15µ | 200ms | No | 7 | $1.40 (LTC1728ES5-2.5#TRPBF) |
| 15 | LTC1728-1.8 | 3V | 1.8V | Adj | 1.5 | 15µ | 200ms | No | 7 | $1.40 (LTC1728ES5-1.8#TRPBF) |
| 16 | LTC1727-5 | 5V | 3.3V | Adj | 1.5 | 15µ | 200ms | No | 7 | $1.75 (LTC1727ES8-5#PBF) |
| 17 | LTC1727-2.5 | 3.3V | 2.5V | Adj | 1.5 | 15µ | 200ms | No | 7 | $1.75 (LTC1727ES8-2.5#PBF) |
| 18 | LTC1536 | 5V | 3.3V | Adj | 0.75 | 40µ | 200ms | No | 7 | $2.65 (LTC1536CS8#PBF) |
| 19 | LTC1326-2.5 | 2.5V | 3.3V | Adj | 0.75 | 40µ | 200ms | No | 7 | $2.20 (LTC1326CS8-2.5#PBF) |
| 20 | LTC1326 | 5V | 3.3V | Adj | 0.75 | 40µ | 200ms | No | 7 | $2.20 (LTC1326CS8#PBF) |
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