Overview
The SA639DH/01,118 is a low-voltage, high-performance monolithic FM IF (Intermediate Frequency) system developed by NXP USA Inc. This component integrates a mixer/oscillator, two wideband limiting intermediate frequency amplifiers, and a high-speed RSSI (Received Signal Strength Indicator) circuit. It is designed for use in various wireless communication systems, offering excellent sensitivity and robust performance.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | TSSOP24 (Thin Shrink Small Outline Package) |
| Number of Leads | 24 |
| Body Width | 4.4 mm |
| Supply Voltage | 2.7 V to 5.5 V |
| Operating Temperature Range | -40°C to 85°C |
| Sensitivity | 2.24 μV into 50 Ω matching network for 10 dB S/N ratio |
| RF Frequency Range | Up to 500 MHz |
| IF Frequency | Typically 9.8 MHz |
| ESD Protection | ESD hardened |
| Power-Down Mode | Available |
| RoHS Compliance | Yes |
Key Features
- High sensitivity with 2.24 μV into 50 Ω matching network for 10 dB S/N ratio at RF = 110 MHz and IF = 9.8 MHz.
- ESD hardened for robustness against electrostatic discharge.
- Power-down mode to reduce power consumption when not in use.
- High-speed RSSI circuit for quick signal strength indication.
- Two wideband limiting intermediate frequency amplifiers for enhanced signal processing.
Applications
- DECT (Digital European Cordless Telephone) systems.
- FSK (Frequency Shift Keying) and ASK (Amplitude Shift Keying) data receivers.
- Other wireless communication systems requiring high sensitivity and robust IF processing.
Q & A
- What is the SA639DH/01,118 used for? The SA639DH/01,118 is used in FM IF systems, particularly in applications such as DECT systems and FSK/ASK data receivers.
- What is the package type of the SA639DH/01,118? The package type is TSSOP24 (Thin Shrink Small Outline Package).
- What is the supply voltage range for the SA639DH/01,118? The supply voltage range is from 2.7 V to 5.5 V.
- What is the operating temperature range for the SA639DH/01,118? The operating temperature range is from -40°C to 85°C.
- Does the SA639DH/01,118 have ESD protection? Yes, the SA639DH/01,118 is ESD hardened.
- What is the typical IF frequency for the SA639DH/01,118? The typical IF frequency is 9.8 MHz.
- Is the SA639DH/01,118 RoHS compliant? Yes, the SA639DH/01,118 is RoHS compliant.
- What is the sensitivity of the SA639DH/01,118? The sensitivity is 2.24 μV into 50 Ω matching network for 10 dB S/N ratio.
- Does the SA639DH/01,118 have a power-down mode? Yes, the SA639DH/01,118 has a power-down mode.
- What is the maximum RF frequency supported by the SA639DH/01,118? The maximum RF frequency supported is up to 500 MHz.
