Features:

Environment Proprietary Wireless Networking

Protocols

• 4-Wire Serial Peripheral Interface (SPI) with

Interrupt

• Easy Integration into Final Product: Minimize

• Compliance:

Module

• Temperature Range: -40°C to +85°C Industrial

- Rx Mode: 32 mA (typical)

- Sleep: 10 A (typical)

RF/Analog Features:

• ISM Band 2.405 GHz-2.475 GHz Operation

• Data Rate: 250 kbps

• -104 dBm Typical Sensitivity with -23 dBm

Maximum Input Level

Response and FCS Check

• Independent Beacon, Transmit and GTS FIFO

• Hardware Security Engine (AES-128) with CTR,

RF Transceiver Module with PA/LNA

1.0 Device Overview .......................................................................................................................................................................... 3

2.0 Circuit Description ...................................................................................................................................................................... 11

4.0 Electrical Characteristics ........................................................................................................................................................... 25

You can determine the version of a data sheet by examining its literature number found on the bottom outside corner of any page.

• Your local Microchip sales office (see last page)

When contacting a sales office, please specify which device, revision of silicon and data sheet (include literature number) you are

www.microchip.com/wireless.

removes the need for expensive RF and antenna

1.2 Mounting Details

the module.

1.4.2 ENERGY DETECTION (ED)

following steps:

(0x32<1>) = 0. This enables the LNA and

1.4.3 SLEEP

To do this, perform the following steps:

4. Put the MRF24J40 to Sleep following the steps

in the “MRF24J40 Data Sheet” (DS39776).

certification requirements for each country

3.0 REGULATORY APPROVAL

3.1 United States

The MRF24J40MD/ME module has received Federal

munications, Part 15 Subpart C “Intentional Radiators”

end user to integrate the MRF24J40MD/ME module

(i.e., Verification, or Declaration of Conformity) (e.g.,

when the module is installed inside another device,

then the outside of the finished product into which the

module is installed must also display a label referring to

the enclosed module. This exterior label can use word-

ing as follows:

A user’s manual for the product should include the

following statement:

with limits for human exposure to Radio Frequency

suggestions for evaluating compliance.

If appropriate, compliance with exposure guidelines for

mobile and unlicensed devices can be accomplished

by the use of warning labels and by providing users

for performing Specific Absorption Rate (SAR) testing

in accordance with FCC rules 2.1091.

3.1.3 APPROVED EXTERNAL ANTENNA

TYPES

To maintain modular approval in the United States, only

the antenna types that have been tested shall be used.

It is permissible to use different antenna manufacturer

http://apps.fcc.gov/oetcf/kdb/index.cfm

module within the host device.

host device, otherwise the host device must be labeled

the module, preceded by the words “Contains transmit-

tively on the device or both:

• The Radio and Telecommunications Terminal

product with the essential requirements of

the AS/NZS 4268:2008 industry standard). The

Australia compliance, refer to the Australian Communi-

cations and Media Authority web site

http://www.acma.gov.au/.

The compliance testing listed in Table 3-1 was per-

and

http://www.rsm.govt.nz/cms/policy-and-planning/spec-

trum-policy-overview/legislation/gazette-notices/prod-

notice-2010.

the developer must construct a compliance folder con-

The compliance testing listed in Table 3-1 was per-

Should other regulatory jurisdiction certification be

required by the customer, or the customer need to

4.0 ELECTRICAL CHARACTERISTICS

3.0 —3.6 V

Input Low Voltage (VIL)–0.3 —0.2 x VDD V

RF Sensitivity — — –104 — dBm

LO Leakage Measured at Balun Matching

— –60 — dBm

——1.8—dB

Rejection

Incorporated in the U.S.A. and other countries.

and Z-Scale are trademarks of Microchip Technology

Incorporated in the U.S.A. and other countries.