T5744 데이터 시트보기 (PDF) - Atmel Corporation

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T5744

UHF ASK/FSK Receiver

Atmel Corporation 

Electrical Characteristics (continued)

Parameters

Dynamic range RSSI

amplifier

RSSI output voltage range

RSSI gain

RI of Pin CDEM for cut-off

frequency calculation

Recommended CDEM for

best performance

Upper cut-off frequency data

filter

Digital Ports

Data output

- Saturation voltage LOW

- Internal pull-up resistor

ENABLE input

- Low-level input voltage

- High-level input voltage

MODE input

- Low-level input voltage

- High-level input voltage

BR_0 input

- Low-level input voltage

- High-level input voltage

BR_1 input

- Low-level input voltage

- High-level input voltage

TEST input

- Low-level input voltage

Test Conditions

fcu_DF = -2----´-----p-----´-----R----11----´-----C----D-----E----M---

BR_Range0

BR_Range1

BR_Range2

BR_Range3

Upper cut-off frequency

BR_Range0

BR_Range1

BR_Range2

BR_Range3

Iol = 1 mA

Sleep mode

Receiving mode

Division factor = 10

Division factor = 14

Test input must always be set to

LOW

Symbol

DRRSSI

VRSSI

GRSSI

RI

CDEM

fu

VOI

RPup

VIl

VIh

VIl

VIh

VIl

VIh

VIl

VIh

VIl

Min.

1.0

28

1.75

3.5

7.0

14.0

39

0.8 ´ VS

0.8 ´ VS

0.8 ´ VS

0.8 ´ VS

Typ.

60

20

40

33

18

10

6.8

2.2

4.4

8.8

17.6

0.08

50

Max.

3.0

55

2.65

5.3

10.6

21.2

Unit

dB

V

mV/dB

kW

nF

nF

nF

nF

kHz

kHz

kHz

kHz

0.3

V

65

kW

0.2 ´ VS

V

V

0.2 ´ VS

V

V

0.2 ´ VS

V

V

0.2 ´ VS

V

V

0.2 ´ VS

V

14 T5744

4521B–RKE–01/03

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