Datasheet > HT7M2127

HT7M2127

更新时间： 2022-02-26 11:08:45

品牌	Logo	应用领域
台湾合泰/盛群 - HOLTEK		/
页数	文件大小	规格书
25页	4237K
描述
PIR Detector Miniaturized Module

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中文翻译

获取价格

数据手册

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HT7M2127 数据手册

HT7M2126/27/36/56/76

affect devices reliability.

Electrical Characteristics

Ta=25°C

Test Conditions

Conditions

—

Symbol

Parameter

Min.

Typ.

Max.

Unit

V_DD

I_DD1

Operating Voltage

Operating Current

—

2.7

—

3.3

1.2

5.5

2.0

3.3V Moving objects to be detected

Standby with detection mode,

3.3V

I_DD2

Operating Current

—

μA

the ACC wake-up time is 4ms.

T_PIR

V_IL

PIR Stabilization Time

Input Low Voltage (I/O)

Input High Voltage (I/O)

3.3V

—

0.2V_DD

V_DD

—

V_IH

—

0.8V_DD

—

3.3V

I_OL

I/O Port Sink Current

V_OL=0.1V_DD

V_OH=0.9V_DD

—

3.3V

-2

-4

—

I_OH

I/O Port Source Current

-5

-8

—

R_PH

Pull-high Resistance (FTS)

—

-5%

680

2.0

2.2

2.4

2.7

3.0

3.3

3.6

4.0

+5%

kΩ

LVDEN = 1, V_LVD= 2.0V

LVDEN = 1, V_LVD= 2.2V

LVDEN = 1, V_LVD= 2.4V

LVDEN = 1, V_LVD= 2.7V

LVDEN = 1, V_LVD= 3.0V

LVDEN = 1, V_LVD= 3.3V

LVDEN = 1, V_LVD= 3.6V

LVDEN = 1, V_LVD= 4.0V

V_LVD

Low Voltage Detector Voltage

—

-5%

+5%

A.C. Characteristics – I²C Interface

Ta=25°C

Test Conditions

Conditions

—

Symbol

Parameter

Min.

Typ. Max. Unit

V_DD

f_SCL

t_BUF

Clock Frequency

Bus Free Time

—

400

—

kHz

Time in which the bus must be free

before a new transmission can start

—

1.3

μs

After this period, the ﬁrst clock

pulse is generated

t_{HD: STA}

Start Condition Hold Time

0.6

—

μs

t_LOW

t_HIGH

SCL Low Time

SCL High Time

—

1.3

0.6

—

μs

Time only relevant for repeated

START condition

t_{SU: STA}

Start Condition Setup Time

—

0.6

—

μs

t_{HD: DAT}

t_{SU: DAT}

t_R

Data Hold Time

—

100

—

μs

Data Setup Time

—

SDA and SCL Rise Time

SDA and SCL Fall Time

Stop Condition Set-up time

Output Valid from Clock

Note

—

0.3

—

t_F

—

t_{SU: STO}

t_AA

0.6

—

0.9

Input Filter Time Constant

(SDA and SCL Pins)

t_SP

—

Noise suppression time

—

Note: These parameters are periodically sampled but not 100% tested.

Rev. 1.20

June 17, 2016

1 2 3 456 7 8...25

中文翻译

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