Overview
The SA605D/01, produced by NXP USA Inc., is a high-performance monolithic low-power FM IF (Intermediate Frequency) system. This component integrates several key functions, including a mixer/oscillator, two limiting intermediate frequency amplifiers, a quadrature detector, muting, a logarithmic received signal strength indicator (RSSI), and a voltage regulator. It combines the functionalities of the NXP SA602A and SA604A but offers enhanced performance with a higher mixer input intercept point, higher IF bandwidth (25 MHz), and temperature-compensated RSSI and limiters.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC Supply Voltage | 4.5 | 8.0 | V | ||
| ICC Current Consumption | VCC = 6 V | 5.7 | mA | ||
| RF Frequency Range | up to 500 MHz | ||||
| IF Frequency | 455 kHz | ||||
| Mixer Conversion Power Gain | RF frequency = 45 MHz | 13 dB | |||
| Mixer Noise Figure | RF frequency = 45 MHz | 4.6 dB | |||
| IF Amplifier/Limiter Gain | 102 dB | ||||
| Limiter Small Signal Bandwidth | 25 MHz | ||||
| Temperature Range | Operating | -40 | 85 | °C | |
| Package Types | SO20, SSOP20 |
Key Features
- Low power consumption: 5.7 mA typical at 6 V.
- Mixer input frequency range up to 500 MHz.
- Mixer conversion power gain of 13 dB at 45 MHz.
- Mixer noise figure of 4.6 dB at 45 MHz.
- XTAL oscillator effective up to 150 MHz (L/C oscillator to 1 GHz local oscillator can be injected).
- Temperature-compensated logarithmic Received Signal Strength Indicator (RSSI) with a dynamic range in excess of 90 dB.
- Two audio outputs: muted and unmuted.
- Low external component count; suitable for crystal/ceramic/LC filters.
- Excellent sensitivity: 0.22 V into 50 matching network for 12 dB SINAD (Signal-to-Noise-and-Distortion ratio) for 1 kHz tone with RF at 45 MHz and IF at 455 kHz.
- ESD hardened.
Applications
- Cellular radio FM IF.
- High performance communications receivers.
- Single conversion VHF/UHF receivers.
- SCA receivers.
- RF level meter.
- Spectrum analyzer.
- Instrumentation.
- FSK and ASK data receivers.
- Log amps.
- Wideband low current amplification.
Q & A
- What is the SA605D/01? The SA605D/01 is a high-performance monolithic low-power FM IF system produced by NXP USA Inc., integrating a mixer/oscillator, two limiting intermediate frequency amplifiers, and other key functions.
- What are the package options for the SA605D/01? The SA605D/01 is available in 20-lead SO (surface-mounted miniature package) and 20-lead SSOP (shrink small outline package).
- What is the typical current consumption of the SA605D/01? The typical current consumption is 5.7 mA at 6 V.
- What is the mixer input frequency range of the SA605D/01? The mixer input frequency range is up to 500 MHz.
- What is the IF frequency of the SA605D/01? The IF frequency is 455 kHz.
- What is the mixer conversion power gain of the SA605D/01 at 45 MHz? The mixer conversion power gain is 13 dB at 45 MHz.
- Does the SA605D/01 have temperature compensation? Yes, it features temperature-compensated logarithmic RSSI and limiters.
- What are the typical applications of the SA605D/01? Typical applications include cellular radio FM IF, high performance communications receivers, single conversion VHF/UHF receivers, and more.
- Is the SA605D/01 ESD hardened? Yes, the SA605D/01 is ESD hardened.
- What is the dynamic range of the RSSI in the SA605D/01? The dynamic range of the RSSI is in excess of 90 dB).
