MRF49XAT-I/ST【PDF 80/102 页】IC RF TXRX 433/868/915 16-TSSOP

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MRF49XA

TABLE 5-1:

RECOMMENDED OPERATING CONDITIONS

Parameters

Operating Temperature

Supply Voltage for RF, Analog and Digital

Min

-40

2.2

Typ

—

—

Max

+85

3.8

Unit

°C

V

Circuits

Supply Voltage for Digital I/O

DC Voltage on Open-Collector Outputs

(RFP, RFN) (1,2)

AC Peak Voltage on Open-Collector

Outputs (RFP, RFN) (1)

2.2

V DD –1.5

V DD –1.5

3.3

—

—

3.8

V DD +1.5

V DD +1.5

V

V

V

Note 1:

2:

At minimum, V DD – 1.5V cannot be lower than 1.2V.

At maximum, V DD + 1.5V cannot be higher than 5.5V.

TABLE 5-2:

CURRENT CONSUMPTION (1)

Sleep

Idle

Chip mode

Condition

Sleep clock disabled, all blocks disabled

Oscillator and baseband enabled, clock

Min

—

—

Typ

0.3

0.6

Max

1

1.2

Unit

μ A

mA

output disabled

TX

TX

RX

Low Battery Voltage Detector

Current Consumption

Wake-up Timer Current

Consumption

Power output – 0 dBm, 50 ? load, 433 MHz

868 MHz

915 MHz

At maximum output power, 433 MHz

868 MHz

915 MHz

433 MHz

868 MHz

915 MHz

—

—

—

—

—

—

—

—

—

—

—

—

—

15

16

17

22

23

24

11

12

13

0.5

1.5

—

—

—

26

27

28

13

14

15

1.7

3.5

mA

mA

mA

mA

mA

mA

mA

mA

mA

μ A

μ A

Note 1:

Typical Values: T A = 25°C, V DD = 3.3V.

TABLE 5-3:

I/O PIN INPUT SPECIFICATIONS (1)

V IL

V IH

Symbol

Characteristic

Input Low Voltage

Input High Voltage

Condition

—

—

Min

—

0.7xV DD

Typ

—

—

Max

0.3xV DD

—

Unit

V

V

I IL

Input Low Leakage Current

(2)

V IL = 0V

-1

—

1

μ A

I IH

V OL

V OH

V LBTD

Input High Leakage Current

Digital Low Output Voltage

Digital Low Output

Low Battery Threshold Detect

V IH = V DD , V DD = 3.8V

l OL = 2 mA

I OH = -2 mA

Programmable in 0.1V

-1

—

V DD –0.4

2.25

—

—

—

—

1

0.4

—

3.75

μ A

V

V

V

steps

Note 1:

2:

Typical Values: T A = 25°C, V DD = 3.3V.

Negative current is defined as the current sourced by the pin.

DS70590C-page 80

Preliminary

? 2009-2011 Microchip Technology Inc.

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