ADM708: 3 V, Voltage Monitoring Microprocessor Supervisory Circuit
The ADM706P/ADM706R/ADM706S/ADM706T and the ADM708R/ADM708S/ADM708T microprocessor supervisory circuits are suitable for monitoring either 3 V or 3.3 V power supplies.
The ...More
The ADM708R/S/T are also available which is identical to the ADM708 except for the reset threshold monitor levels. The ADM708R/S/T Data Sheet found under the "More Data Sheets" link explains the differences.
ADM708: 3 V, Voltage Monitoring Microprocessor Supervisory Circuit
Product Description
The ADM706P/ADM706R/ADM706S/ADM706T and the ADM708R/ADM708S/ADM708T microprocessor supervisory circuits are suitable for monitoring either 3 V or 3.3 V power supplies.
The ADM706P/ADM706R/ADM706S/ADM706T provide the following functions:
- Power-supply monitoring circuitry that generates a reset output during power-up, power-down, and brownout conditions. The reset output remains operational with VCC as low as 1 V.
- Independent watchdog monitoring circuitry that is activated if the watchdog input has not been toggled within 1.6 sec.
- A 1.25 V threshold detector for power-fail warning, low battery detection, or to monitor an additional power supply.
- An active low debounced MR input.
The ADM706R, ADM706S, and ADM706T are identical except for the reset threshold monitor levels, which are 2.63 V, 2.93 V, and 3.08 V, respectively. The ADM706P is identical to the ADM706R in that the reset threshold is 2.63 V. It differs only in that it has an active high reset output.
The ADM708R/ADM708S/ADM708T provide the same functionality as the ADM706R/ADM706S/ADM706T and only differ in that:
- A watchdog timer function is not available.
- An active high reset output (RESET) in addition to the active low (RESET) output is available.
All parts are available in narrow 8-lead PDIP and 8-lead SOIC packages.
Applications
Data Sheet, Rev. B, 2/07
Features
- Precision supply voltage monitor
2.63 V (ADM706P, ADM706R, ADM708R)
2.93 V (ADM706S, ADM708S)
3.08 V (ADM706T, ADM708T) - 100 μA quiescent current
- 200 ms reset pulse width
- Debounced manual reset input (MR)
- Independent watchdog timer 1.6 sec timeout (ADM706x)
- Reset Output
Active high (ADM706P)
Active low (ADM706R/ADM706S/ADM706T)
Both active high and active low (ADM708R/ADM708S/ADM708T) - Voltage monitor for power-fail or low battery warning
- Guaranteed RESET valid with VCC = 1 V
- Superior upgrade for MAX706P/R/S/T, MAX708R/S/T
Diagrams
- Enlarge
- Другие диаграммы
- Обозначения и трафареты для печатной платы
Functional Block Diagram for ADM708
3 V, Voltage Monitoring Microprocessor Supervisory Circuit
Другие диаграммы для ADM708
3 V, Voltage Monitoring Microprocessor Supervisory Circuit
ADM708 8-Lead MSOP
Functional Block Diagram for ADM708
| Part# | Reset Threshold (V) | Min Reset Timeout (ms) | Reset Output-Stage | Manual Reset Capability | Package | Price* (1000-4999) |
|---|---|---|---|---|---|---|
| ADM1810 | 4.35, 4.62 | 100 | Active-Low/Push-Pull | No | SC70, SOT | $0.46 |
| ADM1811 | 4.35, 4.62 | 100 | Active-Low/Int-Pullup | No | SC70, SOT | $0.46 |
| ADM1812 | 4.35, 4.62 | 100 | Active-High/Push-Pull | No | SC70, SOT | $0.46 |
| ADM1813 | 4.35, 4.62 | 100 | Active-Low/Int-Pullup | Yes | SC70, SOT | $0.39 |
| ADM1815 | 2.18, 2.31, 2.55, 2.88, 3.06 | 100 | Active-High/Push-Pull | No | SC70, SOT | $0.39 |
| ADM1816 | 2.18, 2.31, 2.55, 2.88, 3.06 | 100 | Active-Low/Int-Pullup | No | SC70, SOT | $0.46 |
| ADM1817 | 2.18, 2.31, 2.55, 2.88, 3.06 | 100 | Active-High/Push-Pull | No | SC70, SOT | $0.46 |
| ADM1818 | 2.18, 2.31, 2.55, 2.88, 3.06 | 100 | Active-Low/Int-Pullup | Yes | SC70, SOT | $0.45 |
| ADM6315 | 2.63, 2.93, 3.08, 4.39, 4.5, 4.63 | 1, 1,120, 140, 20 | Active-Low/Open-Drain | Yes | SOT | $0.81 |
| ADM6319 | 2.5, 2.63, 2.7, 2.8, 2.93, 3.0, 3.08, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 4.0, 4.1, 4.2, 4.3, 4.39, 4.5, 4.63, 4.7, 4.8, 4.9, 5.0 | 1, 1,120, 140, 20 | Active-High/Push-Pull, Active-Low/Push-Pull | Yes | SOT | $0.50 |
| ADM6322 | 2.5, 2.63, 2.7, 2.8, 2.93, 3.0, 3.08, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 4.0, 4.1, 4.2, 4.3, 4.39, 4.5, 4.63, 4.7, 4.8, 4.9, 5.0 | 1, 1,200, 140, 20 | Active-High/Push-Pull, Active-Low/Open-Drain | Yes | SOT | $0.51 |
| ADM6384 | 1.58, 1.67, 2.19, 2.31, 2.4, 2.5, 2.63, 2.7, 2.8, 2.93, 3.0, 3.08, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 4.0, 4.1, 4.2, 4.3, 4.39, 4.5, 4.63, 4.7, 4.8, 4.9, 5.0 | 1, 1,120, 140, 20 | Active-Low/Push-Pull | Yes | SC70 | $0.95 |
| ADM6711 | 2.32, 2.63, 2.93, 3.08, 4.38, 4.63 | 140 | Active-Low/Push-Pull | Yes | SC70 | $0.26 |
| ADM6713 | 2.32, 2.63, 2.93, 3.08, 4.38, 4.63 | 140 | Active-Low/Open-Drain | Yes | SC70 | $0.28 |
| ADM6825 | 1.58, 1.67, 2.19, 2.32, 2.63, 2.93, 3.08, 4.38, 4.63 | 140 | Active-High/Push-Pull, Active-Low/Push-Pull | Yes | SOT | - |
| ADM698 | 4.65 | 140 | Active-High/Push-Pull, Active-Low/Push-Pull | No | DIP, SOIC | $1.37 |
| ADM707 | 4.65 | 160 | Active-High/Push-Pull, Active-Low/Push-Pull | Yes | DIP, SOIC | $0.97 |
| ADM708 | 2.63, 2.93, 3.08, 4.4, 4.65 | 160 | Active-High/Push-Pull, Active-Low/Push-Pull | Yes | DIP, SOIC, SOP | $0.85 |
| ADM709 | 2.63, 2.93, 3.08, 4.4, 4.65 | 140 | Active-Low/Push-Pull | No | DIP, SOIC | $0.71 |
| ADM803 | 2.32, 2.63, 2.93, 3.08, 4.38, 4.63 | 140 | Active-Low/Open-Drain | No | SC70 | $0.26 |
| ADM809 | 2.32, 2.63, 2.93, 3.08, 4.0, 4.38, 4.63 | 140 | Active-Low/Push-Pull | No | SC70, SOT | $0.62 |
| ADM810 | 2.32, 2.63, 2.93, 3.08, 4.0, 4.38, 4.63 | 140 | Active-High/Push-Pull | No | SC70, SOT | $0.61 |
| ADM811 | 2.32, 2.63, 2.93, 3.08, 4.38, 4.63 | 140 | Active-Low/Push-Pull | Yes | SOT | $0.46 |
| ADM812 | 2.32, 2.63, 2.93, 3.08, 4.38, 4.63 | 140 | Active-High/Push-Pull | Yes | SOT | $0.46 |
| ADM825 | 2.19, 2.32, 2.63, 2.93, 3.08, 4.38, 4.63 | 140 | Active-High/Push-Pull, Active-Low/Push-Pull | Yes | SC70, SOT | $0.51 |
| ADM8698 | 4.65 | 140 | Active-High/Push-Pull, Active-Low/Push-Pull | No | DIP, SOIC | $2.01 |
* The pricing listed here is provided only for budgetary purposes as recommended list price in U.S.
Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.
ADM708 Model Options
Help
- "Pre-Release": модель микросхемы еще не запущена в серийное производство, однако можно получить образцы.
- Производство: модель производится, доступна для покупки и заказа образцов.
- Завершение продаж: запланировано снятие модели микросхемы с производства, но в течение некоторого ограниченного времени покупка еще возможна.
- Снято с производства: Микросхема снята с производства и не доступна для приобретения. Другие варианты, указанные в таблице, все еще производятся (если их статус любой, кроме "снято с производства")
Для более подробного описания корпуса и материалов - см. Package Site
- Коммерческое исполнение: 0…70°С
- Военное исполнение: от -55 до +125 градусов по Цельсию
- Индустриальное исполнение: диапазоны рабочих температур могут быть разные у разных моделей. См. техническое описание (datasheet)
- Automotive: -40 to +125 °С
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*Приведенные цены действительны в США и указаны только для примерного бюджетного рассчета. Цены указаны в долларах США (за штуку в указанном размере партии) и могут быть изменены. Цены в других регионах могут отличаться в зависимости от местных пошлин, налогов, сборов и курсов валют. Для уточнения стоимости обращайтесь в местные офисы продаж Analog Devices, или к официальным дистрибьюторам. Цены на оценочные платы и наборы указаны за штуку независимо от количества.
**Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.


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