TH72001

315MHz

FSK Transmitter

3901072001

Page 9 of 20

Data Sheet

Rev. 007

June/07

4.4

DC Characteristics

all parameters under normal operating conditions, unless otherwise stated;

Parameter

Symbol

Condition

Min

Typ

Max

Unit

Operating Currents

0.2

200

nA

Standby current

4

µA

Supply current in power step 0

ENTX=1

1.5

2.3

3.8

mA

Supply current in power step 1

ENTX=1

2.1

3.2

4.9

mA

Supply current in power step 2

ENTX=1

3.0

4.4

6.2

mA

Supply current in power step 3

ENTX=1

4.5

6.2

8.5

mA

Supply current in power step 4

ENTX=1

7.3

10.3

13.3

mA

Digital Pin Characteristics

Input low voltage CMOS

ENTX, FSKDTA pins

-0.3

V

Input high voltage CMOS

ENTX, FSKDTA pins

V

Pull down current

ENTX pin

ENTX=1

0.2

2.0

20

µA

Low level input current

ENTX pin

ENTX=0

0.02

µA

High level input current

FSKDTA pin

FSKDTA=1

0.02

µA

Pull up current

FSKDTA pin active

FSKDTA=0

ENTX=1

0.1

1.5

12

µA

Pull up current

FSKDTA pin standby

FSKDTA=0

ENTX=0

0.02

µA

FSK Switch Resistance

MOS switch On resistance

FSKDTA=0

ENTX=1

20

70

Ω

MOS switch Off resistance

FSKDTA=1

ENTX=1

1

M

Ω

Power Select Characteristics

Power select current

ENTX=1

7.0

8.6

9.9

µA

Power select voltage step 0

ENTX=1

0.035

V

Power select voltage step 1

ENTX=1

0.14

0.24

V

Power select voltage step 2

ENTX=1

0.37

0.60

V

Power select voltage step 3

ENTX=1

0.78

1.29

V

Power select voltage step 4

ENTX=1

1.55

V

Low Voltage Detection Characteristic

Low voltage detect threshold

ENTX=1

1.75

1.85

1.95

V