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CH1840RD ET

Description
Data Access Arrangement 12-Pin
File Size646KB,10 Pages
ManufacturerCermetek Microelectronics
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CH1840RD ET Overview

Data Access Arrangement 12-Pin

CH1840RD ET Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
Part StatusActive
Product CategoryData Access Arrangement
Transmission Media TypeCable
Minimum Operating Supply Voltage (V)4.75
Typical Operating Supply Voltage (V)5
Maximum Operating Supply Voltage (V)5.25
Power Supply TypeAnalog
Typical Supply Current (mA)6
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)85
Pin Count12
MountingThrough Hole
Package Height8.13
Package Length38.1
Package Width25.4
PCB changed12
CH1840
FCC Registered Data Access Arrangement (DAA) Module
INTRODUCTION
The CH1840 is an ultra small, low profile Data Access
Arrangement (DAA). Designed for both voice and data,
the CH1840 allows direct connection of your product to
telephone lines. The CH1840 includes FCC Part 68
registration that is transferrable to your product. The
transferrable registration eliminates the costs and
delays of Part 68 testing and registration of your
equipment.
construction,
The
and
FCC
single
registration,
+5
Volt
D.C.
modular
power
Control inputs and status outputs for the CH1840 are
compatible with 5 Volt CMOS. See the Electrical
Specifications on Page 8.
The CH1840 DAA works with a variety of voice circuits
and with fax and modem chip sets up through V.32bis
(19,200 bps). The CH1840 is pin compatible with the
Cermetek CH1837A.
requirement simplify your product development.
The CH1840 also meets Industry Canada (IC)
requirements. However,
there.
The small size of the CH1840 maximizes design
flexibility. CH1840 requires only 1.5 square inches of
circuit board space and stands just 0.35 inches high.
It can be mounted directly on your printed circuit board
or socketed.
The CH1840 uses 0.025-inch square
The telephone line
pins on 0.10-inch centers.
jack.
you must register
your
product with Industry Canada before it can be used
FEATURES
Compatible with modem chip sets and discrete
analog circuits
Available varieties provide a range of insertion
losses; CH1840D 0dB, CH1840DM -6.5dB and
CH1840 –9dB.
Available for extended temperature operation, -40C
to +85C (CH1840 ET)
Available RoHS compliant versions
Complete DAA function
For Voice and Data Applications
FCC Part 68 Registration Conveyed to User
Hook Switch Control.
Ring Detection.
Single +5V Operation.
Pulse Dial Capability.
connection is made through a user supplied RJ-11
Figure 1: CH1840 DAA Functional Block Diagram
2018
Cermetek Microelectronics, Inc.
Page 1
Document No. 607-0011 Revision C1 (09/09)

CH1840RD ET Related Products

CH1840RD ET CH1840D CH1840BET
Description Data Access Arrangement 12-Pin Data Access Arrangement 12-Pin Data Access Arrangement 12-Pin
EU restricts the use of certain hazardous substances Compliant - Not Compliant
Part Status Active - Active
Product Category Data Access Arrangement - Data Access Arrangement
Transmission Media Type Cable - Cable
Minimum Operating Supply Voltage (V) 4.75 - 4.75
Typical Operating Supply Voltage (V) 5 - 5
Maximum Operating Supply Voltage (V) 5.25 - 5.25
Power Supply Type Analog - Analog
Typical Supply Current (mA) 6 - 6
Minimum Operating Temperature (°C) -40 - -40
Maximum Operating Temperature (°C) 85 - 85
Pin Count 12 - 12
Mounting Through Hole - Through Hole
Package Height 8.13 - 8.13
Package Length 38.1 - 38.1
Package Width 25.4 - 25.4
PCB changed 12 - 12
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