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SA1630

Features: • Low supply voltage operation of 2.7 V for main chip and 2.9 V for charge pump.• Low current consumption: 33.5 mA in RX, 26.5 mA in TX, typical at 3 V.• Flexible power up/down options.• Optional 2.5 V regulated reference voltage available during transmit.• ...

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SeekIC No. : 004483535 Detail

SA1630: Features: • Low supply voltage operation of 2.7 V for main chip and 2.9 V for charge pump.• Low current consumption: 33.5 mA in RX, 26.5 mA in TX, typical at 3 V.• Flexible power u...

SA1630 Data Sheet

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Part Number:
SA1630
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Low supply voltage operation of 2.7 V for main chip and 2.9 V for charge pump.
• Low current consumption: 33.5 mA in RX, 26.5 mA in TX, typical at 3 V.
• Flexible power up/down options.
• Optional 2.5 V regulated reference voltage available during transmit.
• Input IF frequency range of 70400 MHz.
• Internal IF PLL for synthesizing the local IF oscillator signal.
• Bandwidth of baseband Tx inputs is 20 MHz and that of baseband Rx outputs is 8.5 MHz.
• Designed for IEEE 802.11 wireless LAN using Direct Sequence Spread Spectrum modulation.
• Control registers power up in a default state.
• Only a standard reference input frequency required, choice of 8, 11, 22 or 44 MHz.
• Digital gain control of 70 dB in steps of 2 dB.
• Rx Baseband amplifiers are capable of driving 1 k||15pF
• Rx Baseband o/p's clamp symmetrically, above 1 Vpp in order to prevent dc bias shift under overdrive conditions.
• Package: LQFP48, PCMCIA compatible



Application

• IF circuitry for IEEE 802.11 DSSS wireless LAN.
• Applications for high speed wireless data.


Pinout

Connection Diagram


Specifications

SYMBOL
PARAMETER
RATING
UNITS
VCCXX
 Supply voltages
0.3 to +6.0
V
VIN
 Voltage applied to any other pin
-0.3 to (VCCXX+0.3)
V
VG
 Any GND pin to any other GND pin
0
V
PD
 Power dissipation, TA = 25 (still air)
300
mW
TJMAX
 Maximum operating junction temperature
150
PMAX
 Maximum power input/output
+20
dBm
TSTG
 Storage temperature range
65 to +150




Description

The SA1630 is a 70400 MHz I/Q transceiver for wireless LAN. The Receive Path contains a digitally gain controlled linear IF amplifier, a pair of quadrature down conversion mixers and a pair of baseband amplifiers. The SA1630 transmit path contains a pair of quadrature up conversion mixers that transposes a quadrature baseband input signal up to IF frequency. An external VCO signal is divided internally and provides quadrature local oscillator signals for the mixers. Another divider chain of SA1630 , reference divider and phase detector are provided to avoid the need for an external synthesizer. To keep power consumption to a minimum the transmit, receive and local oscillator functions can be powered down under digital control.




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