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SA637

Features: • VCC = 2.7 to 5.5V• Low power receiver (3.8mA @ 3V)• Power down mode (ICC = 110A)• Fast RSSI rise and fall times• Extended RSSI range with temperature compensation• RSSI op amp• 2MHz limiter small signal bandwidth• 455kHz filter matching (...

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SA637: Features: • VCC = 2.7 to 5.5V• Low power receiver (3.8mA @ 3V)• Power down mode (ICC = 110A)• Fast RSSI rise and fall times• Extended RSSI range with temperature compen...

SA637 Data Sheet

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Part Number:
SA637
Supply Ability:
5000

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

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Upload time: 2025/12/26

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Product Details

Description



Features:

• VCC = 2.7 to 5.5V
• Low power receiver (3.8mA @ 3V)
• Power down mode (ICC = 110A)
• Fast RSSI rise and fall times
• Extended RSSI range with temperature compensation
• RSSI op amp
• 2MHz limiter small signal bandwidth
• 455kHz filter matching (1.5k)
• Differential limiter output
• Oscillator buffer
• SSOP-20 package


Application

• ADC (American Digital Cellular)
• Digital receiver systems
• Cellular radio


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER RATING UNITS
VCC Supply voltage -0.3 to +6.0 V
VIN Voltage applied to any other pin -0.3 to (VCC + 0.3) V
TSTG Storage temperature range -65 to +150 °C
TA Operating ambient temperature range -40 to +85 °C

NOTE: Thermal impedance (JA) = 117°C/W


Description

The SA637 is a low-voltage high performance monolithic digital system with high-speed RSSI incorporating a mixer, oscillator with buffered output, two limiting intermediate frequency amplifiers, fast logarithmic received signal strength indicator (RSSI), voltage regulator, RSSI op amp and power down pin. The SA637 is available in SSOP (shrink small outline package).

The SA637 was designed for portable digital communication applications and will function down to 2.7V. The limiter amplifier has differential outputs with 2MHz small signal bandwidth. The RSSI output has access to the feedback pin. SA637 enables the designer to level adjust the outputs or add filtering.




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