MAX1472 datasheet(4/9 Pages) MAXIM

Part #	MAX1472

Description	300MHz-to-450MHz Low-Power, Crystal-Based ASK Transmitter

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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300MHz-to-450MHz Low-Power,

Crystal-Based ASK Transmitter

4

_______________________________________________________________________________________

Typical Operating Characteristics

(Typical Application Circuit, VDD = 2.7V, TA = +25°C, unless otherwise noted.)

SUPPLY CURRENT vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

3.2

2.4

2.8

6

7

8

9

10

11

12

13

5

2.0

3.6

VENABLE = VIH,

VDATA = VIH,

fRF = 315MHz

-40

°C

+25

°C

+85

°C

+125

°C

SUPPLY CURRENT vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

3.2

2.8

2.4

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9

2.0

3.6

+85

°C

+125

°C

-40

°C

+25

°C

VENABLE = VIH,

VDATA = VIL,

fRF = 315MHz

SUPPLY CURRENT vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

3.2

2.8

2.4

7

8

9

10

11

12

13

6

5

2.0

3.6

VENABLE = VIH,

VDATA = VIH,

fRF = 433MHz

+25

°C

-40

°C

+125

°C

+85

°C

SUPPLY CURRENT vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

3.2

2.8

2.4

1.2

1.4

1.6

1.8

2.0

2.2

2.0

3.6

+125

°C

-40

°C

VENABLE = VIH,

VDATA = VIL,

fRF = 433MHz

+85

°C

+25

°C

OUTPUT POWER vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

3.2

2.4

2.8

6

7

8

9

10

11

12

13

14

5

2.0

3.6

VENABLE = VIH,

VDATA = VIH,

fRF = 315MHz

-40

°C

-25

°C

+85

°C

+125

°C

OUTPUT POWER vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

3.2

2.4

2.8

6

7

8

9

10

11

12

13

14

2.0

3.6

VENABLE = VIH,

VDATA = VIH,

fRF = 433MHz

-40

°C

+25

°C

+85

°C

+125

°C

REFERENCE SPUR MAGNITUDE

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

3.2

2.8

2.4

-83

-81

-79

-77

-75

-73

-71

-69

-67

-65

-85

2.0

3.6

315MHz

433MHz

FREQUENCY STABILITY

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

3.2

2.8

2.4

-3

-2

-1

0

1

2

-4

2.0

3.6

433MHz

315MHz

TRANSMIT POWER EFFICIENCY

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

3.2

2.8

2.4

30

35

40

45

50

55

25

2.0

3.6

+25

°C

+85

°C

+125

°C

-40

°C

CW OUTPUT

fRF = 315MHz

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