参数资料
型号: ADM698AR-REEL
厂商: Analog Devices Inc
文件页数: 3/4页
文件大小: 0K
描述: IC SUPERVISOR MPU 4.65V 16SOIC
标准包装: 1,000
类型: 简单复位/加电复位
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: 带卷 (TR)
ADM698/ADM699
PIN CONFIGURATION (DIP)
PIN FUNCTION DESCRIPTION
O
Mnemonic
V CC
GND
RESET
Function
+5 V Power Supply Input.
0 V. Ground reference for all signals.
Logic Output. RESET goes low whenever V CC
falls below the reset voltage threshold (4.65 V
V CC
V CC
GND
GND
1
2
3
4
ADM698/
ADM699
TOP VIEW
(Not to Scale)
8
7
6
5
GND
RESET
NC (WDI) *
NC
typ). RESET remains low for a minimum of
140 ms after V CC returns to 5 V. RESET also
goes low for a minimum of 140 ms if the watchdog
timer is enabled but not serviced within its time-
out period.
* ( ) ADM699 ONLY
PIN CONFIGURATION (SOIC)
O
ADM699
WDI
Watchdog Input. WDI is a three level input. If
WDI remains either high or low for longer than
the watchdog timeout period, RESET pulses low
and WDO goes low. The timer resets with each
transition on the WDI line. The watchdog timer
may be disabled if WDI is left floating or is driven
to midsupply.
GND 1 16 RESET
V CC 2 15 RESET
TOP VIEW
ADM698/
V CC 3 14 NC (WDO) *
(Not to Scale)
GND 4 13 NC
TOP VIEW
NC 5 (Not to Scale) 12 NC
NC 6 11 NC (WDI) *
NC 7 10 NC
RESET
(SOIC packages only) Logic Output. RESET is
NC 8
9 GND
an active high output. It is the inverse of RESET .
WDO
(SOIC ADM699 only) Logic Output. The
Watchdog Output, WDO , goes low if WDI
remains either high or low for longer than the
watchdog timeout period. WDO is set high by the
next transition at WDI. If WDI is unconnected or
at midsupply, the watchdog timer is disabled and
WDO remains high.
*( ) ADM699 ONLY
TYPICAL PERFORMANCE CURVES
A4
3.36 V
215
210
V CC = +5V
1 00
90
205
200
10
0%
1V
1V
500ms
195
20
40
60
80
100
120
TEMPERATURE – ° C
Figure 1. RESET Output Voltage vs. V CC
4.70
V CC = +5V
4.68
4.66
4.64
4.62
Figure 2. RESET Active Time vs. Temperature
POWER UP
POWER DOWN
20
40
60 80
100
120
TEMPERATURE – ° C
Figure 3. RESET Voltage Threshold vs. Temperature
REV. 0
–3 –
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