STS1TX datasheet(13/70 Pages) STMICROELECTRONICS

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STS1TX

Characteristics

6.1

General characteristics

6.2

Electrical specifications

6.2.1

Electrical characteristics

Characteristics measured over recommended operating conditions unless otherwise

specified. Typical values are referred to TA = 25 °C, VBAT = 3.0 V. All performance is referred

to a 50 Ohm antenna connector, via the reference design using the application diagram as

in Figure 2, unless otherwise noted.

Table 8. General characteristics

Symbol

Parameter

Min.

Typ.

Max.

Unit

FREQ

Frequency range

150

174

MHz

300

348

MHz

387

470

MHz

779

956

MHz

Air data rate for each modulation scheme.

Note that if “Manchester”, “3-out-of-6” and/or FEC encoding/decoding options are

selected, the effective bit rate will be lower.

2-FSK

500

kBaud

GMSK (BT=1, BT=0.5)

500

kBaud

GFSK (BT=1, BT=0.5)

500

kBaud

MSK

500

kBaud

OOK/ASK

250

kBaud

Table 9. Power consumption static modes

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

IBAT

Supply current

Shutdown (1)

1. See Table 18.

2.5

Standby (1)

600

Sleep (1)

850

Ready (default mode)(1)

400

µA

Lock(1)

4.4

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