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| 型号： | ADM8695ARWZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/24页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVSR MPU 4.65V ADJ 16SOIC |
| 标准包装： | 47 |
| 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 140 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： | 管件 |
| 产品目录页面： | 800 (CN2011-ZH PDF) |
Microprocessor
Supervisory Circuits
Data Sheet
FEATURES
Upgrade for the ADM690 , ADM691 , ADM695 and
for the MAX690, MAX691, MAX695
Specified over temperature
Low power consumption: 0.7 mW
Precision voltage monitor
FUNCTIONAL BLOCK DIAGRAMS
V BATT
V OUT
V CC
Reset assertion down to 1 V V CC
Low switch on resistance: 0.7 Ω normal, 7 Ω in backup
4.65V 1
RESET
GENERATOR 2
RESET
High current drive: 100 mA
Watchdog timer: 100 ms, 1.6 sec, or adjustable
Standby current: 400 nA
WATCHDOG
INPUT (WDI)
WATCHDOG
TRANSITION DETECTOR
(1.6sec)
ADM8690
Automatic battery backup power switching
Extremely fast gating of chip enable signals (3 ns)
Voltage monitor for power fail
Available in TSSOP package
APPLICATIONS
Microprocessor systems
POWER-FAIL
INPUT (PFI)
1.3V
1 VOLTAGE DETECTOR = 4.65V
2 RESET PULSE WIDTH = 50ms
Figure 1. ADM8690
BATT ON
POWER-FAIL
OUTPUT (PFO)
Computers
Controllers
Intelligent instruments
Automotive systems
V BATT
ADM8691/
ADM8695
V OUT
PRODUCT HIGHLIGHTS
The ADM8690 is available in 8-lead PDIP and SOIC packages
and provides the following functions:
1.
Power-on reset output during power-up, power-down,
V CC
CE IN
4.65V 1
CE OUT
LOW LINE
RESET
and brownout conditions. The RESET output remains
operational with V CC as low as 1 V.
OSC IN
OSC SEL
RESET AND
WATCHDOG
TIME BASE
RESET
GENERATOR
RESET
2.
Battery backup switching for CMOS RAM, CMOS micro-
3.
processor, or other low power logic.
Reset pulse if the optional watchdog timer is not toggled
WATCHDOG
INPUT (WDI)
WATCHDOG
TRANSITION DETECTOR
WATCHDOG
TIMER
WATCHDOG
OUTPUT (WDO)
within a specified time.
POWER-FAIL
INPUT (PFI)
POWER-FAIL
4.
1.3 V threshold detector for power-fail warning, low battery
1.3V
OUTPUT (PFO)
detection, or to monitor a power supply other than 5 V.
The ADM8691 and ADM8695 are available in 16-lead PDIP
and small outline packages (including TSSOP) and provide
three additional functions:
1 VOLTAGE DETECTOR = 4.65V
1.
2.
3.
Write protection of CMOS RAM or EEPROM.
Adjustable reset and watchdog timeout periods.
Separate watchdog timeout, backup battery switchover, and
low V CC status outputs.
Rev. C
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 that may result from its use. Specifications subject to change without notice. No
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 www.analog.com
Fax: 781.461.3113 ?2006–2011 Analog Devices, Inc. All rights reserved.
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相关代理商/技术参数 |
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| ADM8696 | 制造商:AD 制造商全称:Analog Devices 功能描述:Microprocessor Supervisory Circuits |
| ADM8696AN | 功能描述:IC SUPERVSR MPU ADJ/RESET 16DIP RoHS:否 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 标准包装:1 系列:- 类型:简单复位/加电复位 监视电压数目:1 输出:开路漏极或开路集电极 复位:高有效 复位超时:- 电压 - 阀值:1.8V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:6-TSOP（0.059"，1.50mm 宽）5 引线 供应商设备封装:5-TSOP 包装:剪切带 (CT) 其它名称:NCP301HSN18T1GOSCT |
| ADM8696ANZ | 功能描述:IC SUPERVSR MPU ADJ/RESET 16DIP RoHS:是 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 标准包装:1 系列:- 类型:简单复位/加电复位 监视电压数目:1 输出:开路漏极或开路集电极 复位:高有效 复位超时:- 电压 - 阀值:1.8V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:6-TSOP（0.059"，1.50mm 宽）5 引线 供应商设备封装:5-TSOP 包装:剪切带 (CT) 其它名称:NCP301HSN18T1GOSCT |
| ADM8696ARU | 制造商:AD 制造商全称:Analog Devices 功能描述:Microprocessor Supervisory Circuits |
| ADM8696ARU-REEL | 功能描述:Supervisor Push-Pull, Push-Pull 1 Channel 16-TSSOP 制造商:analog devices inc. 系列:- 包装:带卷（TR） 零件状态:上次购买时间 类型:备用电池电路 受监控电压数: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 - 阈值:1.3V 工作温度:-40°C ~ 85°C（TA） 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商器件封装:16-TSSOP 标准包装:1 |
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