參數(shù)資料
型號(hào)： SA2420DH
廠商： NXP SEMICONDUCTORS
元件分類： 衰減器
英文描述： Low voltage RF transceiver . 2.45GHz
中文描述： 2400 MHz - 2500 MHz RF/MICROWAVE UP/DOWN CONVERTER
文件頁數(shù)： 2/16頁
文件大小： 133K
代理商： SA2420DH
Philips Semiconductors
Product specification
SA2420
Low voltage RF transceiver — 2.45 GHz
2
1997 May 23
853–1984 18069
DESCRIPTION
The SA2420 transceiver is a combined low-noise amplifier, receive
mixer, transmit mixer and LO buffer IC designed for
high-performance low-power communication 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.
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: 50–500MHz
PIN CONFIGURATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
24
23
22
21
20
19
18
17
16
15
DH Package
ATTEN SW
Tx/Rx SW
GND
RF IN/OUT
GND
GND
GND
LNA OUT
V
CC
GND
GND
Rx IF OUT
GND
LOP
LNA IN
GND
GND
Rx IF OUT
Tx IF IN
Tx IF IN
LO SW
LOM
V
CC
LO
CHIP EN
SR00164
Figure 1.
Pin Configuration
APPLICATIONS
2.45GHz WLAN front-end (802.11, ISM)
ORDERING INFORMATION
DESCRIPTION
TEMPERATURE RANGE
-40 to +85
°
C
ORDER CODE
DWG #
24-Pin Plastic Thin Shrink Small Outline Package (Surface-mount, TSSOP)
SA2420DH
SOT355-1
BLOCK DIAGRAM
4
3
2
1
5
24
23
22
21
20
7
6
10
9
8
19
18
17
16
15
LO
SW
GND
LOP
GND
V
CC
RF IN/
OUT
GND
ATTEN
SW
CHIP
EN
GND
GND
LNA
OUT
GND
LNA
GND
GND
12
11
14
13
LOM
LO
Tx/Rx
SW
GND
V
CC
LNA
IN
Rx IF
OUT
Rx IF
OUT
Tx IF
IN
Tx IF
IN
RX
RX
TX
BUFFER
FREQ.
DBLER
BPF
BPF
PRE-DRIVER
TX
ATTENUATOR
SR00165
X2
X1
Figure 2.
SA2420 Block Diagram
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參數(shù)描述
SA2421 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2.45 GHz low voltage RF transceiver
SA2421DH 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2.45 GHz low voltage RF transceiver
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