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| 型号： | MAX8215CSD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/12页 |
| 文件大小： | 0K |
| 描述： | IC MONITOR VOLT MPU 14-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 多压监控器 |
| 监视电压数目： | 5 |
| 输出： | 开路漏极或开路集电极 |
| 复位超时： | 标准传输延迟为 20 µs |
| 电压 - 阀值： | ±5V，±12V，可调 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 14-SOIC |
| 包装： | 带卷 (TR) |
±5V, ±12V (±15V) Dedicated
Microprocessor Voltage Monitors
_____________________Pin Description
+5V
PIN
1
2
NAME
VREF
GND
FUNCTION
Output of the internal 1.24V reference
Ground. Connect to PGND.
-5V
OUT1
MAX8215
3
4
5
6
+5V
-5V
+12V
(+15V)
-12V
(-15V)
Input for monitoring +5V supply
Input for monitoring -5V supply
MAX8215 input for monitoring +12V
(MAX8216 input for monitoring +15V)
MAX8215 input for monitoring -12V
(MAX8216 input for monitoring -15V)
+12V (+15V)
-12V (-15V)
MAX8216
OUT2
OUT3
Noninverting input of the auxiliary
7
DIN
comparator. Its inverting input is tied
OUT4
to the internal reference.
8
PGND
Power-supply ground. Bypass V DD
to this pin.
9
DOUT
Output of the auxiliary comparator
DIN
DOUT
OUT4,
10, 11,
OUT3,
Outputs of the four dedicated com-
12, 13
14
OUT2,
OUT1
V DD
parators
Power-supply positive voltage input.
Bypass to PGND.
( ) ARE FOR
MAX8216 ONLY.
1.24V REFERENCE
VREF
V DD
PGND
GND
Figure 1. Block Diagram
_______________Detailed Description
The MAX8215/MAX8216 contain 5 comparators (Figure
1). The comparator with its output labeled DOUT is dis-
tinguished from the others in that it can be set up to mon-
itor various voltages; each of the other 4 comparators
monitors a specific voltage. The DOUT comparator’s
noninverting input is available external to the device; its
inverting input is tied internally to the reference.
The MAX8215/MAX8216 comparators have open-drain
outputs. Thus, these devices require pull-up resistors
for proper operation. See the Typical Operating Circuit.
Open-drain outputs are useful for driving LEDs and for
situations in which the comparator outputs must be
connected together (i.e., wire-ORed).
Bypass V DD with 0.1μF connected to PGND.
__________Applications Information
Hysteresis
When the voltage on a typical comparator’s input is
at or near the voltage on the other input, ambient
noise generally causes the comparator output to
oscillate. The most common way to eliminate this
problem is by using hysteresis. When the two com-
parator input voltages are equal, hysteresis causes
one comparator input voltage to move quickly past
the other, thus taking the input out of the region
where oscillation occurs. Standard comparators
need external resistors for hysteresis; these resistors
are not necessary when using any of the MAX8215
and MAX8216 comparators because hysteresis is
built in.
6
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8215CSD-TG068 | 制造商:Maxim Integrated Products 功能描述:+/- 5V, +/- 12V DEDICATED MICROPROCESSOR VOLT - Bulk |
| MAX8215EJD | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX8215EPD | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX8215EPD+ | 功能描述:监控电路 5/12/15V +/-Dedictd MPU Voltage Monitor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX8215ESD | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
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