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参数资料
| 型号： | ADM697ARZ-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR MPU 16SOIC |
| 标准包装： | 1,000 |
| 类型： | 备用电池电路 |
| 监视电压数目： | 1 |
| 输出： | 推挽式，推挽式 |
| 复位： | 高有效/低有效 |
| 复位超时： | 最小为 35 ms |
| 电压 - 阀值： | 1.3V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC W |
| 包装： | 带卷 (TR) |
a
FEATURES
Superior Upgrade for MAX696/MAX697
Specified Over Temperature
Adjustable Low Line Voltage Monitor
Power OK/Reset Time Delay
Reset Assertion Down to 1 V V CC
Watchdog Timer—100 ms, 1.6 s, or Adjustable
Low Switch On Resistance
V BATT
V CC
Microprocessor
Supervisory Circuits
ADM696/ADM697
FUNCTIONAL BLOCK DIAGRAMS
BATT ON
V OUT
1.5 Normal, 20 in Backup
600 nA Standby Current
Automatic Battery Backup Switching (ADM696)
Fast On-Board Gating of Chip Enable Signals (ADM697)
Voltage Monitor for Power Fail or Low Battery Warning
LL IN
RESET GENERATOR
LOW LINE
RESET
RESET
APPLICATIONS
Microprocessor Systems
Computers
OSC IN
OSC SEL
TIMEBASE FOR RESET
AND WATCHDOG
WATCHDOG
TIMER
WATCHDOG
OUTPUT (WDO)
Controllers
Intelligent Instruments
Automotive Systems
WATCHDOG
INPUT (WDI)
POWER FAIL
WATCHDOG
TRANSITION DETECTOR
ADM696
Critical
P Power Monitoring
INPUT (PFI)
1.3V
POWER FAIL
OUTPUT (PFO)
GENERAL DESCRIPTION
The ADM696/ADM697 supervisory circuits offer complete
single chip solutions for power supply monitoring and battery
control functions in microprocessor systems. These functions
include μ P reset, backup-battery switchover, watchdog timer,
CMOS RAM write protection, and power failure warning.
The ADM696/ADM697 are available in 16-pin DIP and small
CE IN
LL IN
RESET GENERATOR
CE OUT
LOW LINE
RESET
RESET
outline packages and provide the following functions:
1. Power-On Reset output during power-up, power-down and
brownout conditions. The RESET voltage threshold is
adjustable using an external voltage divider. The RESET
output remains operational with V CC as low as 1 V.
2. A Reset pulse if the optional watchdog timer has not been
toggled within specified time.
3. Separate watchdog time-out and low line status outputs.
OSC IN
OSC SEL
WATCHDOG
INPUT (WDI)
POWER FAIL
INPUT (PFI)
1.3V
TIMEBASE FOR RESET
AND WATCHDOG
WATCHDOG
TRANSITION DETECTOR
WATCHDOG
TIMER
ADM697
WATCHDOG
OUTPUT (WDO)
POWER FAIL
OUTPUT (PFO)
4. Adjustable reset and watchdog timeout periods.
5. A 1.3 V threshold detector for power fail warning, low bat-
tery detection, or to monitor a power supply other than V CC .
6. Battery backup switching for CMOS RAM, CMOS micro-
processor or other low power logic (ADM696).
7. Write protection of CMOS RAM or EEPROM (ADM697).
The ADM696/ADM697 is fabricated using an advanced epitaxial
CMOS process combining low power consumption (5 mW),
extremely fast Chip Enable gating (5 ns) and high reliability.
RESET assertion is guaranteed with V CC as low as 1 V. In
addition, the power switching circuitry is designed for minimal
voltage drop thereby permitting increased output current drive
of up to 100 mA without the need for an external pass transistor.
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700 Fax: 617/326-8703
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相关代理商/技术参数 |
参数描述 |
|---|---|
| adm697sq | 制造商:Analog Devices 功能描述: 制造商:Rochester Electronics LLC 功能描述:5V CMOS SUPERVISORS IC - Bulk |
| ADM698 | 制造商:AD 制造商全称:Analog Devices 功能描述:Microprocessor Supervisory Circuits |
| ADM698AN | 功能描述:IC SUPERVISOR MPU 4.65V 8DIP RoHS:否 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 标准包装:400 系列:- 类型:备用电池电路 监视电压数目:1 输出:开路漏极，推挽式 复位:高有效/低有效 复位超时:最小为 35 ms 电压 - 阀值:4.65V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.295"，7.50mm 宽） 供应商设备封装:16-SOIC W 包装:带卷 (TR) 其它名称:ADM691ARZ-REEL7TR |
| ADM698ANZ | 功能描述:IC SUPERVISOR MPU 4.65V 8DIP RoHS:是 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 其它有关文件:STM6717 View All Specifications 标准包装:1 系列:- 类型:多压监控器 监视电压数目:2 输出:开路漏极或开路集电极 复位:低有效 复位超时:最小为 600 ms 电压 - 阀值:1.11V，3.075V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SC-74A，SOT-753 供应商设备封装:SOT-23-5 包装:Digi-Reel® 产品目录页面:1194 (CN2011-ZH PDF) 其它名称:497-7019-6 |
| ADM698AQ | 制造商:AD 制造商全称:Analog Devices 功能描述:Microprocessor Supervisory Circuits |
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