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参数资料
| 型号： | ADM8699ARWZ |
| 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： | 47 |
| 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： | 管件 |
ADM8698/ADM8699
PIN FUNCTION DESCRIPTIONS
TYPICAL PERFORMANCE CURVES
Mnemonic
Function
V CC
GND
RESET
+5 V Power Supply Input.
0 V. Ground reference for all signals.
Logic Output. RESET goes low whenever V CC
100
90
A4
3.36 V
falls below the reset voltage threshold (4.65 V
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-
10
0%
WDI
out period.
Watchdog Input. WDI is a three level input. If
1V
1V
500ms
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.
Figure 1. RESET Output Voltage vs. V CC
230
220
RESET
WDO
(SOIC packages only) Logic Output. RESET is
an active high output. It is the inverse of RESET .
(SOIC ADM8699 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
210
200
190
180
WDO remains high.
170
–50
–30
–10
10 30 50
70
90
TEMPERATURE – ° C
PIN CONFIGURATIONS
8-Lead DIP & SOIC
Figure 2. RESET Timeout Delay vs. Temperature
4.69
4.67
V CC
V CC
GND
GND
1
2
3
4
O
ADM8698/
ADM8699
TOP VIEW
(Not to Scale)
8
7
6
5
GND
RESET
NC (WDI) *
NC
4.65
4.63
4.61
* ( ) ADM8699 ONLY
NC = NO CONNECT
16-Lead SOIC
4.59
4.57
4.55
GND 1
16 RESET
–60
–30
0 30 60
TEMPERATURE – ° C
90
120
ADM8698/
V CC 2
V CC 3
GND 4
O
TOP VIEW
(Not to Scale)
ADM8699
TOP VIEW
15 RESET
14 NC (WDO) *
13 NC
Figure 3. RESET Voltage Threshold vs. Temperature
NC 5 (Not to Scale) 12 NC
NC 6
NC 7
NC 8
11 NC (WDI) *
10 NC
9 GND
*( ) ADM8699 ONLY
NC = NO CONNECT
REV. 0
–3 –
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