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SA2420 PDF даташит

Спецификация SA2420 изготовлена ​​​​«Philips» и имеет функцию, называемую «Low voltage RF transceiver . 2.45GHz».

Детали детали

Номер произв SA2420
Описание Low voltage RF transceiver . 2.45GHz
Производители Philips
логотип Philips логотип 

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SA2420 Даташит, Описание, Даташиты
INTEGRATED CIRCUITS
SA2420
Low voltage RF transceiver — 2.45GHz
Product specification
1997 May 23
Philips
Semiconductors









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SA2420 Даташит, Описание, Даташиты
Philips Semiconductors
Low voltage RF transceiver — 2.45 GHz
Product specification
SA2420
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
DH Package
GND 1
LNA IN 2
24 VCC
23 LNA OUT
GND 3
22 GND
GND 4
21 ATTEN SW
Rx IF OUT 5
20 GND
Rx IF OUT
Tx IF IN
Tx IF IN
6
7
8
19 RF IN/OUT
18 GND
17 Tx/Rx SW
GND 9
16 GND
LOP 10
LO SW 11
LOM 12
15 GND
14 VCC LO
13 CHIP EN
SR00164
Figure 1. Pin Configuration
APPLICATIONS
2.45GHz WLAN front-end (802.11, ISM)
ORDERING INFORMATION
DESCRIPTION
24-Pin Plastic Thin Shrink Small Outline Package (Surface-mount, TSSOP)
TEMPERATURE RANGE
-40 to +85°C
ORDER CODE
SA2420DH
DWG #
SOT355-1
BLOCK DIAGRAM
LNA
VCC
OUT
24 23
GND
22
ATTEN
SW
21
GND
20
RF IN/
OUT
19
GND
18
TX
Tx/Rx
SW
17
GND
16
PRE-DRIVER
GND
15
VCC
LO
14
CHIP
EN
13
1
GND
LNA
2
LNA
IN
ATTENUATOR
RX
BPF
3
GND
RX TX BUFFER
X1
4 5 6 7 8 9 10
GND
Rx IF
OUT
Rx IF
OUT
Tx IF
IN
Tx IF
IN
GND
LOP
Figure 2. SA2420 Block Diagram
BPF
FREQ.
DBLER X2
11 12
LO LOM
SW
SR00165
1997 May 23
2 853–1984 18069









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SA2420 Даташит, Описание, Даташиты
Philips Semiconductors
Low voltage RF transceiver — 2.45 GHz
Product specification
SA2420
ABSOLUTE MAXIMUM RATINGS
SYMBOL
PARAMETER
RATING
UNITS
VCC
VIN
PD
TJMAX
PMAX
TSTG
Supply voltage
Voltage applied to any pin
Power dissipation, TA = 25°C (still air)
24-Pin Plastic TSSOP
Maximum operating junction temperature
Maximum power (RF/IF/LO pins)
Storage temperature range
-0.3 to +6
-0.3 to (VCC + 0.3)
555
150
+20
–65 to +150
V
V
mW
°C
dBm
°C
NOTE:
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 θJA: 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.
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
VCC Supply voltage
TA Operating ambient temperature range
TJ Operating junction temperature
RATING
2.7 to 5.5
-40 to +85
-40 to +105
UNITS
V
°C
°C
DC ELECTRICAL CHARACTERISTICS
VCC = +3V, TA = 25°C; unless otherwise stated.
SYMBOL
PARAMETER
ICCTX
ICCRX
Supply current, Transmit
Supply current, Receive
ICC OFF Power down mode (Tx/Rx SW = Low)
VLNA-IN
ILNA-OUT
VLO 2.1 GHz
VLO 1.05 GHz
VTX IF
VTX IFB
LNA input voltage
LNA output bias current
LO buffer DC input voltage
LO buffer DC input voltage
Tx Mixer input voltage
Tx Mixer input voltage
LIMITS
TEST CONDITIONS
UNITS
MIN -4σ TYP +4σ MAX
LO mode = Hi
25
37
45 mA
LO mode = Hi
15
22
28 mA
LO mode = Hi,
LNA gain = Hi
0 10 µA
Receive mode
0.855
V
Receive mode
4.0 mA
LO mode = Hi
2.1 V
LO mode = Low
2.1 V
Transmit mode
1.7 V
Transmit mode
1.7 V
1997 May 23
3










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