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參數資料
| 型號： | ADM693AQ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 電源管理 |
| 英文描述： | Thyristor Module; Current, It av:250A; Repetitive Reverse Voltage Max, Vrrm:1200V; Package/Case:ND43; Gate Trigger Current Max, Igt:4A; Current Rating:250A |
| 中文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, CDIP16 |
| 封裝： | CERDIP-16 |
| 文件頁數： | 1/16頁 |
| 文件大小： | 284K |
| 代理商： | ADM693AQ |
REV. A
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.
a
Mcroprocessor
Supervisory Circuits
ADM690–ADM695
FEATURES
Superior Upgrade for MAX690–MAX695
Specified Over Temperature
Low Power Consumption (5 mW)
Precision Voltage Monitor
Reset Assertion Down to 1 V V
CC
Low Switch On-Resistance 1.5
V
Normal,
20
V
in Backup
High Current Drive (100 mA)
Watchdog Timer—100 ms, 1.6 s, or Adjustable
600 nA Standby Current
Automatic Battery Backup Power Switching
Extremely Fast Gating of Chip Enable Signals (5 ns)
Voltage Monitor for Power Fail
APPLICATIONS
Microprocessor Systems
Computers
Controllers
Intelligent Instruments
Automotive Systems
GE NE RAL DE SCRIPT ION
T he ADM690–ADM695 family of supervisory circuits offers
complete single chip solutions for power supply monitoring and
battery control functions in microprocessor systems. T hese
functions include
μ
P reset, backup battery switchover, watchdog
timer, CMOS RAM write protection, and power failure warn-
ing. T he complete family provides a variety of configurations to
satisfy most microprocessor system requirements.
T he ADM690, ADM692 and ADM694 are available in 8-pin
DIP packages and provide:
1. Power-on reset output during power-up, power-down and
brownout conditions. T he
RESET
output remains opera-
tional with V
CC
as low as 1 V.
2. Battery backup switching for CMOS RAM, CMOS
microprocessor or other low power logic.
3. A reset pulse if the optional watchdog timer has not been
toggled within a specified time.
4. A 1.3 V threshold detector for power fail warning, low battery
detection, or to monitor a power supply other than +5 V.
T he ADM691, ADM693 and ADM695 are available in 16-pin
DIP and small outline packages and provide three additional
functions.
1. Write protection of CMOS RAM or EEPROM.
2. Adjustable reset and watchdog timeout periods.
3. Separate watchdog timeout, backup battery switchover, and
low V
CC
status outputs.
T he ADM690–ADM695 family is fabricated using an advanced
epitaxial CMOS process combining low power consumption
(5 mW), extremely fast Chip Enable gating (5 ns) and high reli-
ability.
RESET
assertion is guaranteed with V
CC
as low as 1 V.
In addition, the power switching circuitry is designed for mini-
mal voltage drop thereby permitting increased output current
drive of up to 100 mA without the need for an external pass
transistor.
FUNCT IONAL BLOCK DIAGRAMS
4.65V
1
WATCHDOG
TRANSITION DETECTOR
1.3V
ADM691
ADM693
ADM695
V
OUT
V
BATT
V
CC
WATCHDOG
INPUT (WDI)
POWER FAIL
INPUT (PFI)
1
VOLTAGE DETECTOR = 4.65V (ADM691, ADM695)
4.40V (ADM693)
POWER FAIL
OUTPUT (PFO)
RESET
WATCHDOG
TIMER
RESET &
WATCHDOG
TIMEBASE
RESET
GENERATOR
BATT ON
OSC IN
OSC SEL
WATCHDOG
OUTPUT (WDO)
RESET
LOW LINE
CE
OUT
CE
IN
4.65V
1
RESET
GENERATOR
2
WATCHDOG
TRANSITION DETECTOR
(1.6s)
1.3V
ADM690
ADM692
ADM694
V
OUT
V
BATT
V
CC
WATCHDOG
INPUT (WDI)
POWER FAIL
INPUT (PFI)
1
VOLTAGE DETECTOR = 4.65V (ADM690, ADM694)
4.40V (ADM692)
2
RESET PULSE WIDTH = 50ms (ADM690, ADM692)
200ms (ADM694)
POWER FAIL
OUTPUT (PFO)
RESET
Analog Devices, Inc., 1996
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
相關PDF資料 |
PDF描述 |
|---|---|
| ADM693 | Analog Switch / Multiplexer (Mux) IC; On-Resistance, Rds(on):85ohm; Analog Switch Function:Analog Switch; Leakage Current:0.5nA; Supply Voltage Max:44V; Package/Case:16-SOIC; Leaded Process Compatible:No RoHS Compliant: No |
| ADM693AN | Microprocessor Supervisory Circuits |
| ADM693AR | Microprocessor Supervisory Circuits |
| ADM693SQ | Microprocessor Supervisory Circuits |
| ADM694AN | Microprocessor Supervisory Circuits |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ADM693AR | 功能描述:IC SUPER MPU 4.4 100MA WD 16SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 監控器 系列:- 標準包裝:1 系列:- 類型:簡單復位/加電復位 監視電壓數目:1 輸出:開路漏極或開路集電極 復位:高有效 復位超時:- 電壓 - 閥值:1.8V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:6-TSOP（0.059"，1.50mm 寬）5 引線 供應商設備封裝:5-TSOP 包裝:剪切帶 (CT) 其它名稱:NCP301HSN18T1GOSCT |
| ADM693AR-REEL | 功能描述:IC SUPERVISOR MPU 4.4V WD 16SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 監控器 系列:- 標準包裝:400 系列:- 類型:備用電池電路 監視電壓數目:1 輸出:開路漏極，推挽式 復位:高有效/低有效 復位超時:最小為 35 ms 電壓 - 閥值:4.65V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:16-SOIC W 包裝:帶卷 (TR) 其它名稱:ADM691ARZ-REEL7TR |
| ADM693ARZ | 功能描述:IC SUPER MPU 4.4 100MA WD 16SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 監控器 系列:- 標準包裝:100 系列:- 類型:簡單復位/加電復位 監視電壓數目:1 輸出:開路漏極，開路漏極 復位:高有效/低有效 復位超時:最小為 250 ms 電壓 - 閥值:4.37V，4.62V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:8-SOIC 包裝:管件 產品目錄頁面:1337 (CN2011-ZH PDF) |
| ADM693ARZ | 制造商:Analog Devices 功能描述:IC SUPERVISORY CIRCUIT |
| ADM693ARZ-REEL | 功能描述:IC SUPERVISOR MPU 4.4V WD 16SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 監控器 系列:- 標準包裝:400 系列:- 類型:備用電池電路 監視電壓數目:1 輸出:開路漏極，推挽式 復位:高有效/低有效 復位超時:最小為 35 ms 電壓 - 閥值:4.65V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:16-SOIC W 包裝:帶卷 (TR) 其它名稱:ADM691ARZ-REEL7TR |
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