Overview
The SA604AD/01,112 is a high-performance, low-power FM Intermediate Frequency (IF) system produced by NXP USA Inc. This monolithic IC is designed to provide advanced functionality for FM receiver applications, incorporating multiple key components such as limiting intermediate frequency amplifiers, a quadrature detector, muting circuitry, a logarithmic Received Signal Strength Indicator (RSSI), and a voltage regulator. The SA604AD/01,112 is available in a 16-pin SOIC package, making it suitable for a variety of applications requiring compact and efficient RF signal processing.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SO16 (Surface Mount) |
| Operating Temperature | -40°C to +85°C |
| Supply Voltage | 2.1 to 3.1 V |
| Current Consumption | Typical 3.3 mA |
| IF Bandwidth | 25 MHz |
| RSSI Dynamic Range | In excess of 90 dB |
| IF Input Impedance | 1.4 to 1.6 kΩ |
| IF Output Impedance | 0.85 to 1.0 kΩ |
| Sensitivity | 1.5 μV across input pins (0.22 μV into 50 Ω matching network) for 12 dB SINAD at 455 kHz |
Key Features
- Low power consumption: Typical 3.3 mA
- Temperature compensated logarithmic Received Signal Strength Indicator (RSSI) with a dynamic range in excess of 90 dB
- Two audio outputs — muted and un-muted
- Low external component count; suitable for crystal/ceramic filters
- Excellent sensitivity: 1.5 μV across input pins (0.22 μV into 50 Ω matching network) for 12 dB SINAD at 455 kHz
- High IF/limiter gain and overall stability
Applications
The SA604AD/01,112 is primarily used in FM receiver systems, including but not limited to:
- FM remote receivers
- Wireless audio systems
- Low-power radio frequency applications
- Consumer electronics requiring compact and efficient RF signal processing
Q & A
- What is the SA604AD/01,112 used for? The SA604AD/01,112 is used in FM Intermediate Frequency (IF) systems, particularly in FM receiver applications.
- What package types are available for the SA604AD/01,112? The SA604AD/01,112 is available in a 16-pin SOIC package and also in a 16-pin HXQFN package for other variants.
- What is the operating temperature range of the SA604AD/01,112? The operating temperature range is -40°C to +85°C.
- What is the typical current consumption of the SA604AD/01,112? The typical current consumption is 3.3 mA.
- What is the IF bandwidth of the SA604AD/01,112? The IF bandwidth is 25 MHz.
- What is the dynamic range of the RSSI in the SA604AD/01,112? The RSSI dynamic range is in excess of 90 dB.
- How sensitive is the SA604AD/01,112? It has a sensitivity of 1.5 μV across input pins (0.22 μV into 50 Ω matching network) for 12 dB SINAD at 455 kHz.
- What are the key features of the SA604AD/01,112? Key features include low power consumption, temperature compensated RSSI, two audio outputs, low external component count, and excellent sensitivity.
- In what types of applications is the SA604AD/01,112 typically used? It is typically used in FM remote receivers, wireless audio systems, and other low-power radio frequency applications.
- What is the supply voltage range for the SA604AD/01,112? The supply voltage range is 2.1 to 3.1 V.
