Overview
The SA639DH/01,112 is a low-voltage, high-performance monolithic FM IF (Intermediate Frequency) system produced by NXP USA Inc. This integrated circuit is designed for high-bandwidth portable communication applications and operates down to 2.7 V. The RF section of the SA639 is similar to the well-known NE605, making it a robust choice for various wireless communication systems.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 24-lead TSSOP (Thin Shrink Small Outline Package) |
| Min Operating Voltage | 2.7 V |
| Max Supply Voltage | 5.5 V |
| Min Operating Temperature | -40 °C |
| Max Operating Temperature | 85 °C |
| Gain | 9.2 dB |
| Data Output Bandwidth | Minimum of 1 MHz |
Key Features
- Mixer/oscillator, two wideband limiting intermediate frequency amplifiers, quadrature detector, and logarithmic Received Signal Strength Indicator (RSSI)
- Fast RSSI op amps and voltage regulator
- Wideband data output and post-detection filter amplifier
- Programmable data switch for routing data signals to external integration circuits
- Power-down mode with CMOS and TTL compatible logic levels
- High input impedance
Applications
The SA639DH/01,112 is primarily designed for high-bandwidth portable communication applications. It is suitable for use in various wireless communication systems, including handheld radios, mobile phones, and other portable communication devices that require robust and efficient signal processing.
Q & A
- What is the minimum operating voltage of the SA639DH/01,112?
The minimum operating voltage is 2.7 V. - What is the maximum supply voltage for the SA639DH/01,112?
The maximum supply voltage is 5.5 V. - What is the operating temperature range for the SA639DH/01,112?
The operating temperature range is from -40 °C to 85 °C. - What is the gain of the SA639DH/01,112?
The gain is 9.2 dB. - What is the minimum bandwidth of the data output?
The minimum bandwidth of the data output is 1 MHz. - Does the SA639DH/01,112 have a power-down mode?
Yes, it has a power-down mode controlled by the POWER_DOWN_CTRL pin. - What type of package does the SA639DH/01,112 come in?
The SA639DH/01,112 comes in a 24-lead TSSOP package. - Is the SA639DH/01,112 still in production?
No, the SA639DH/01,112 is no longer manufactured. - What are the key components of the SA639DH/01,112?
The key components include a mixer/oscillator, intermediate frequency amplifiers, quadrature detector, RSSI, fast RSSI op amps, voltage regulator, and a programmable data switch. - What are the typical applications of the SA639DH/01,112?
The typical applications include high-bandwidth portable communication devices such as handheld radios and mobile phones.
