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SA2411, SA2411DH, SA2420

Table of contents:
Info of SA2411
Info of SA2411DH
Info of SA2420

SA2411, SA2411DH, SA2420 Selling Leads, Datasheet

MFG:PHILIPS Package Cooled:TSSOP D/C:03+

SA2411, SA2411DH, SA2420 Datasheet download

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Part Number: SA2411

MFG: PHILIPS

Package Cooled: TSSOP

D/C: 03+

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SA2411 General Description

The SA2411 is a linear power amplifier designed for WLAN application in the 2.4 GHz band. Together with the SA2400A the chips form a complete 802.11b transceiver. The SA2411 is a Si power amplifier with integrated matching and power level detector.

SA2411 Maximum Ratings

Symbol	Parameter	Min	Max	Unit
T_stg	Storage temperature	55	+150	°C
V_DDa	Supply voltage (analog)	0.5	+3.85	V
-	Voltage applied to inputs	0.5	VDD+0.5	V
-	Short circuit duration, to GND or VDD	-	1	sec

SA2411 Features

• 75 + 25j W differential inputs, internally matched
• 50 single-ended output, internally matched
• 15 dB gain block
• Power detector
• Bias adjust pin
• 18% efficiency at 3 V
• RF matching for SA2400A

SA2411 Typical Application

• IEEE 802.11 and 802.11b radios
• Supports DSSS and CCK modulation
• Supports data rates: 1, 2, 5.5, and 11 Mbps
• 2.45 GHz ISM band wireless communication devices

SA2411 Connection Diagram

SA2420 General Description

The SA2420 transceiver is a combined low-noise amplifier, receive mixer, transmit mixer and LO buffer IC designed for high-performance low-power ommunication systems for 2.4-2.5GHz applications. The LNA has a 2.5dB noise figure at 2.45GHz with 14dB gain and an IP3 intercept of -3dBm at the input.
The gain is stabilized by on-chip compensation to vary less than ±0.2dB over the -40 to +85°C temperature range. The wide-dynamic-range receive mixer has a 10.9dB noise figure and an input IP3 of +2.8dBm at 2.45GHz. The nominal current drawn from a single 3V supply is 37mA in transmit mode and 22mA in receive mode.

SA2420 Maximum Ratings

SYMBOL	PARAMETER	RATING	UNITS
V_CC	Supply voltage	-0.3 to +6	V
V_IN	Voltage applied to any pin	-0.3 to (VCC + 0.3)	V
P_D	Power dissipation, TA = 25°C (still air) 24-Pin Plastic TSSOP	555	mW
T_JMAX	Maximum operating junction temperature	150	°C
P_MAX	Maximum power (RF/IF/LO pins)	+20	dBm
T_STG	Storage temperature range	65 to +150	°C

1. Transients exceeding these conditions may damage the product.
2. Maximum dissipation is determined by the operating ambient temperature and the thermal resistance, and absolute maximum ratings may
impact product reliability JA: 24-Pin TSSOP = 117°C/W
3. IC is protected for ESD voltages for 2000V, excepts pins 10 and 12, which are protected up to 500V.

SA2420 Features

• Low current consumption: 37mA nominal transmit mode and 22mA nominal receive mode
• Fabricated on a high volume, rugged BiCMOS technology
• High system power gain: 22.5dB (LNA + Mixer) at 2.45GHz
• TSSOP24 package
• Excellent gain stability versus temperature and supply voltage
• -10dBm LO input power can be used to drive the mixer
• Operates with either full or half frequency LO
• Wide IF range: 50500MHz

SA2420 Typical Application

• 2.45GHz WLAN front-end (802.11, ISM)

SA2420 Connection Diagram

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