T7024-TRSY datasheet(5/19 Pages) ATMEL

Part #	T7024-TRSY

Description	Bluetooth/ISM 2.4-GHz Front-End IC

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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5 / 19 page

5

4533H–BLURF–07/07

T7024

Supply current

(LNA and control logic)

TX (control logic active)

Pin VS_LNA

I

S

0.5

mA

Standby current

Standby, pin VS_LNA

I

S_standby

110

µA

Frequency range

RX

f

2.4

2.5

GHz

Power gain(5)

RX, pin LNA_IN to LNA_OUT

Gp

15

16

19

dB

Noise figure

RX, PSSO20

RX, QFN20

NF

2.5

2.1

2.8

2.3

dB

Gain compression

RX, referred to pin LNA_OUT

O1dB

–9

–7

–6

dBm

3rd-order input interception point

RX

IIP3

–16

–14

–13

dBm

Input matching(4)

RX, pin LNA_IN

VSWRin

2:1

Output matching(4)

RX, pin LNA_OUT

VSWRout

2:1

Logic Input Levels (RX_ON, PU)(5)

High input level

= ‘1’ pins RX_ON and PU

V

iH

2.4

V

S, LNA

V

Low input level

= ‘0’

V

iL

00.5

V

High input current

= ‘1’ V

iH = 2.4V

I

iH

40

60

µA

Low input current

= ‘0’

I

iL

0.2

µA

7.

Electrical Characteristics (Continued)

Test conditions (unless otherwise specified): VS = 3.0V, Tamb = 25°C

Parameters

Test Conditions

Symbol

Min.

Typ.

Max.

Unit

Notes:

1. Power amplifier shall be unconditionally stable, maximum duty cycle 100%, true CW operation, maximum load mismatch

and duration: load VSWR = 10:1 (all phases) 10s, ZG = 50Ω.

2. With external matching network, load impedance 50

Ω.

3. Low-noise amplifier shall be unconditionally stable.

4. With external matching components.

5. LNA gain can be adjusted with RX_ON voltage according to Figure 9-16 on page 11. Please note, that for RX_ON below

1.4V the T/R switch driver switches to TX mode.

8.

Control Logic PA and LNA/Antenna Switch Driver

PU

RX_ON

Ramp(1)

PA

LNA

Antenna Switch Driver

Operation Mode

0

off

standby

0

1

on

off

(2)

0

1

0

off

on

off

(3)

01

1

on

off

(4)

1

0

off

on

(4)

10

1

on

off

on

TX

1

0

off

on

off

RX

11

1

on

off

(5)

Notes:

1. “0” = VRAMP ≤ 0.1V, “1” = VRAMP typically 1.75V, 1.3V < VRAMP < 1.83V controls gain and output power, compare Figure 9-6

on page 7 and Figure 9-10 on page 9

2. Only for special operation, e.g. only PA operation, no LNA/switch driver operation

3. Only for special operation, e.g. no switch driver operation

4. Only for special operation

5. Only for special operation, e.g. separate TX/RX antennas, TX and RX operation at the same time

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