T7024-TR ATMEL [ATMEL Corporation], T7024-TR Datasheet

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T7024-TR

Manufacturer Part Number
T7024-TR
Description
Bluetooth/ISM 2.4-GHz Front-End IC
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
Features
1. Description
The T7024 is a monolithic SiGe transmit/receive front-end IC with power amplifier,
low-noise amplifier and T/R switch driver. It is especially designed for operation in
TDMA systems like Bluetooth
Due to the ramp-control feature and a very low quiescent current, an external switch
transistor for V
Figure 1-1.
Single 3-V Supply Voltage
High Power-added Efficient Power Amplifier (P
Ramp-controlled Output Power
Low-noise Preamplifier (NF Typically 2.1 dB)
Biasing for External PIN Diode T/R Switch
Current-saving Standby Mode
Few External Components
Packages:
– PSSO20
– QFN20 with Extended Performance
S
Block Diagram
LNA_OUT
is not required.
RAMP
PA_IN
RX_ON
standby
TX/RX/
Control
®
and WDCT.
PU
RX
LNA
TX
VS_LNA
PA
out
Typically 23 dBm)
V3_PA_OUT
SWITCH_OUT
R_SWITCH
V1_PA
V2_PA
LNA_IN
Bluetooth/ISM
2.4-GHz
Front-End IC
T7024
4533H–BLURF–07/07

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T7024-TR Summary of contents

Page 1

... Packages: – PSSO20 – QFN20 with Extended Performance 1. Description The T7024 is a monolithic SiGe transmit/receive front-end IC with power amplifier, low-noise amplifier and T/R switch driver especially designed for operation in ® TDMA systems like Bluetooth and WDCT. Due to the ramp-control feature and a very low quiescent current, an external switch transistor for V is not required ...

Page 2

... Supply voltage for power amplifier PA_IN Power amplifier input GND Ground LNA_OUT Low-noise amplifier output RX_ON RX active high PU Power-up active high GND Ground Pinning QFN20 SWITCH_OUT 5 V3_PA_OUT 11 V3_PA_OUT 4 R_SWITCH 12 T7024 PU 3 V3_PA_OUT 13 GND 2 RX_ON 14 RAMP 1 LNA_OUT 4533H–BLURF–07/07 ...

Page 3

... T stg P inLNA P inPA Symbol R thJA R thJA Symbol Min. Typ. V 2.7 3 2.7 3 190 S I 165 S_standby T –25 +25 amb T7024 Value Unit 6 V 150 °C –40 to +125 °C 5 dBm 10 dBm Value Unit 19 K/W 27 K/W Max. Unit 4 µA +85 °C 3 ...

Page 4

... VSWR = 10:1 (all phases) 10s With external matching network, load impedance 50Ω. 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 1.4V the T/R switch driver switches to TX mode. T7024 4 = 3.0V 25°C S amb ...

Page 5

... 11. Please note, that for RX_ON below Antenna Switch Driver off off off off on off on off off on off on on off on off T7024 Max. Unit 0 µA 2.5 GHz 19 dB 2.8 dB 2.3 dB –6 dBm –13 dBm 2:1 2 LNA 0 µA 0.2 µ ...

Page 6

... Typical Operating Characteristics Figure 9-1. Figure 9-2. Figure 9-3. T7024 6 LNA (PSSO20): Gain and Noise Figure versus Frequency 20 Gain 2000 2200 2400 Frequency (MHz) LNA (N20): Gain and Noise Figure versus Frequency 25 20 Gain 2000 2200 2400 Frequency (MHz) LNA: NF and Gain versus Temperature 2 ...

Page 7

... PA (PSSO20): Output Power and PAE versus Ramp Voltage 50 PAE 30 10 -10 I_S_TX -30 -50 1.2 1.4 1.6 V ramp switch 10000 100000 1000000 10000000 ( ) 250 I_S_TX 220 190 160 f = 2.4 GHz V = 1.75 V ramp dBm 130 inPA 100 3.9 4.3 4.7 250 200 Pout 150 100 f = 2.4 GHz dBm inPA 50 0 1.8 2.0 (V) T7024 7 ...

Page 8

... Figure 9-7. Figure 9-8. Figure 9-9. T7024 8 PA (PSSO20): Output Power and PAE versus Input Power 40 Gain 30 20 I_S_TX 10 0 Pout -10 -40 -30 -20 Input Power (dBm) PA (PSSO20): Output Power and PAE versus Frequency 50 I_S_TX 40 PAE 30 Pout 2400 2420 2440 Frequency (MHz) PA (QFN20): Output Power and PAE versus Supply Voltage ...

Page 9

... I_S_TX 10 0 Pout -10 -40 -30 -20 -10 Input Power (dBm) 50 PAE 40 I_S_TX 30 20 Pout 10 0 2400 2420 2440 2460 Frequency (MHz) T7024 250 Pout 200 150 100 50 0 1.8 2.0 300 PAE 250 200 150 100 f = 2.4 GHz V = 1.8 V ramp dBm inPA ...

Page 10

... Figure 9-13. LNA: Supply Current versus Temperature Figure 9-14. PA (PSSO20): Supply Current versus I Figure 9-15. PA (PSSO20, QFN20): P T7024 10 8.0 7.8 7.6 7.4 7.2 7.0 6.8 6.6 6.4 6.2 6.0 -40 - Temperature (°C) ramp 200 180 160 -40°C 140 120 100 0° 0.1 1.0 10 ramp versus and Temperature V out RAMP 2.4 GHz ...

Page 11

... Figure 9-16. (PSSO20, QFN20): LNA Gain (dB) versus RX_ON (V) 10. Input/Output Circuits Figure 10-1. Input Circuit PA_IN/V1_PA Figure 10-2. Input Circuit RAMP/V1_PA 4533H–BLURF–07/07 20.0 15.0 10.0 5 0.0 -5.0 -10.0 -15.0 -20.0 -25.0 1.0 1.5 2.0 RX_ON (V) V1_PA PA_IN GND V1_PA RAMP T7024 2.5 3.0 11 ...

Page 12

... Figure 10-3. Input Circuit V2_PA Figure 10-4. Input/Output Circuit V3_PA_OUT Figure 10-5. Input Circuit SWITCH_OUT/R_SWITCH T7024 12 V2_PA GND V3_PA_OUT GND V1_PA SWITCH_OUT R_SWITCH GND 4533H–BLURF–07/07 ...

Page 13

... Figure 10-6. Input Circuit LNA_IN/VS_LNA Figure 10-7. Input Circuit PU/RX_ON Figure 10-8. Output Circuit LNA_OUT 4533H–BLURF–07/07 VS_LNA LNA_IN GND VS_LNA LNA_IN / PU VS_LNA LNA_OUT GND T7024 13 ...

Page 14

... Figure 10-9. Typical Application T7024 (PSSO20 Package selected with DIL-switch Pin-diode replaced by LED on application-board T7024 14 LNA OUT PA IN 5.6nH 3.9nH 3p3 PU 3.9p T7024 1.8p R1 LNA IN V3_PA VS_LNA Switch Out V1_PA V2_PA PA ramp harm. termination 1p5 PA OUT 0p8 15nH Blocking capacitors depending on application ...

Page 15

... Figure 10-10. Typical Application T7024 (QFN20 Package selected with DIL-switch Pin-diode replaced by LED on application-board 11. Ordering Information Extended Type Number T7024-TRSY T7024-TRQY T7024-PGPM T7024-PGQM Demoboard-T7024-PGM Demoboard-T7024-TR 4533H–BLURF–07/07 LNA OUT T7024 ...

Page 16

... Package Information B 0. T7024 16 2.6 6.75 max. 6.7 max. 0.15 A 0.25 0.12 (20x Package: PSSO20 Dimensions in mm 6.45 ±0.15 4.4 ±0.1 5.4 ±0.2 technical drawings according to DIN specifications Drawing-No.: 6.543-5078.01-4 Issue: 1; 05.06.01 C 4533H–BLURF–07/07 ...

Page 17

... Package Information PB Free Package: QFN Exposed pad 3.1 x 3.1 Dimensions in mm Not indicated tolerances ± 0. Drawing-No.: 6.543-5094.01-4 Issue: 1; 19.12.02 4533H–BLURF–07/07 0.9 ±0.1 +0 0.05 -0. T7024 5 3 technical drawings according to DIN 5 specifications 6 0.65 nom. 2.6 17 ...

Page 18

... Recommended PCB Land Pattern Figure 14-1. Recommended PCB Land Pattern Table 14-1. 15. Revision History Please note that the following page numbers referred to in this section refer to the specific revision mentioned, not to this document. Revision No. 4533H-BLURF-07/07 T7024 Recommended PCB Land Pattern Signs Sign ...

Page 19

Headquarters Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131 USA Tel: 1(408) 441-0311 Fax: 1(408) 487-2600 Disclaimer: The information in this document is provided in connection with Atmel products. No license, express or implied, by estoppel or otherwise, to ...

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