CMT2180/89AW

Rev 0.9 | Page 3 / 4

www.hoperf.com

Table 2. BOM of 433.92 MHz Application with Single-ended PA Output

Designator

Descriptions

Value

Unit

Manufacturer

U1

CMT2180/89AW, 240 – 960 MHz SoC OOK/(G)FSK

transmitter

-

-

CMOSTEK

X1

±20 ppm, SMD32*25 mm crystal

26

MHz

EPSON

SW[3:0]

Push buttons

-

-

D1

MBR0520LT1, SOD123

-

-

IR

R1

±5%, 0402

10k

Ω

C0

±20%, 0402 X7R, 25 V

0.1

uF

Murata GRM15

C1

±5%, 0402 NP0, 50 V

68

pF

Murata GRM15

C2

±5%, 0402 NP0, 50 V

15

pF

Murata GRM15

C3

±5%, 0402 NP0, 50 V

15

pF

Murata GRM15

L1

±5%, 0603 multi-layer chip inductor

180

nH

Murata LQG18

L2

±5%, 0603 multi-layer chip inductor

36

nH

Murata LQG18

L3

±5%, 0603 multi-layer chip inductor

18

nH

Murata LQG18

Table 3. CMT2180/89AW Pin Descriptions

Pin Number

Name

I/O

Descriptions

1

VDD

I

Power supply input

2

GND

I

Ground

3

PAP

O

The differential power amplifier output, when using as singled-ended output, PAN/PAP

should be connected together before connect to the matching network

4

PAN

O

5

CLK

I

Clock1 for the chip programming, internally pulled up to VDD

6

K3/VTG

I

Push button key 3 or voltage for the chip programming

7

K2

I

Push button key 2

8

K1/CLK2

I

Push button key 1 or clock2 for the chip programming

9

K0/DATA2

IO

Push button key 0 or data2 for the chip programming

10

GND

I

Ground

11

VDD

I

Power supply input

12

DATA

IO

Data1 for the chip programming

Pulled up internally to VDD when configured as Transmission Enabled by DATA Pin

Rising Edge and used as input pin

13

GND

I

Ground

14

XTAL

I

26 MHz single-ended crystal oscillator input or external 26 MHz reference clock input