CH1804 查看數據表（PDF） - Cermetek Microelectronics

零件编号

产品描述 (功能)

生产厂家

CH1804

Family of Line Detection and Monitoring Products

Cermetek Microelectronics 

Cermetek Microelectronics, Inc.

CH1804/A and CH1809/A

Parameter

LOGIC

Output HIGH

Output LOW

TELEPHONE LINE

INTERFACE

Input Resistance

Surge Protection

V Input

(CH1804/1809 only)

V Input

(CH1804A/1809A)

Leakage Current

Detection Time

FCC REGISTRATION

Ring Equivalence

Power

Table 3

CH1804/A and CH1809/A Electrical Specifications

VCC=5ν ± 5%

TA=0 to +55°C

Symbol

Conditions

Min. Typ. Max. Units

VCC

IOH=0.05µA

VCC

IOL=2.0mA

2.4

V

0.4

V

R

TIP or RING to any other pin

8

Conforms to all FCC Part 68 surge, hazardous

voltage, and leakage requirements

Voltage required between TIP and RING to

VI

cause a Cut Line Indication

VI

Voltage required between TIP and RING to

20

cause an Off-Hook Indication

ILK

Leakage to TIP or RING

TD

CX=0.001 µF (TIP or RING to GND)

VCX=50V (TIP to RING)

M ohms

1500

V

2.6

V

32

V

±0.1

µA

1

sec

Label Supplied with Unit

ICC

+5V Supply Voltage (CH1804/A, CH1809/A)

0.0A

0.3

1

REN

mA

2003 Cermetek Microelectronics, Inc.

Page 4

Document No. 607-0015 Revision C (05/03)

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