电信线卡：T1、E1、J1



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Maxim > 方案 > 电信线卡：T1、E1、J1

高精度监控电路

数据资料

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标题/型号

关键优势

QV PDF

1%精度、低电压、四通道窗电压检测器
MAX16063

窗电压检测器，提供1%的最高精度

QV PDF

±1%精度、低功耗、+3V与+5V微处理器监控电路
MAX814, MAX815, MAX816

1%精度的微处理器监控IC

Key Specifications: Supervisors (1 Monitored Voltage)

Part Number

Reset Thresh.
(V)

Reset Out

t_RESET

Watchdog Feature

Watchdog Timeout

Supervisor Features

Reset Thresh. Accur.
(%)

I_CC
(µA)

Active Low

Active High

min

@ +25°C

max

MAX814

2.5 to 3.3

3.3 to 5.5

Push-Pull

85ms to 300ms

No Watchdog

Adjustable Reset Input

Manual Reset

Power Fail Comparator/Low Battery Detect

MAX815

2.5 to 3.3

3.3 to 5.5

Input (WDI)

Input/Output (WDI/WDO)

1s to 2s

MAX816

1.2 to 1.8

1.8 to 2.5

2.5 to 3.3

3.3 to 5.5

Push-Pull

No Watchdog

See All Supervisors (1 Monitored Voltage) (274)

Key Specifications: Supervisors (4 Monitored Voltages)

Part Number

Interface

Reset Thresh.
(V)

Reset Out

t_RESET

Watchdog Feature

Supervisor Features

Reset Thresh. Accur.
(%)

I_CC
(µA)

Active Low

min

@ +25°C

max

MAX16063

R/C Adjustable

0 to 1.2

1.2 to 1.8

1.8 to 2.5

2.5 to 3.3

3.3 to 5.5

Open Drain

Open Drain with Internal Pull-Up

1ms to 15ms

15ms to 85ms

85ms to 300ms

300ms to 1s

<1ms

>1s

Adjustable

No Watchdog

Adjustable Reset Input

Manual Reset

Overvoltage/Window Monitor

See All Supervisors (4 Monitored Voltages) (26)