Overview
The AD8345ARE-REEL7 is a silicon RFIC (Radio Frequency Integrated Circuit) quadrature modulator produced by Analog Devices Inc. This device is designed for operation within the frequency range of 140 MHz to 1000 MHz, making it suitable for various wireless communication and broadband applications. The AD8345 is fabricated on Analog Devices' advanced silicon bipolar process, ensuring high performance and reliability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Frequency | 140 MHz to 1000 MHz | |
| P1dB (Output Power at 1 dB Compression) | +2.5 dBm @ 800 MHz | |
| Noise Floor | −155 dBm/Hz | |
| RMS Phase Error (IS95) | 0.5 degrees | |
| Amplitude Balance | 0.2 dB | |
| Supply Voltage | 2.7 V to 5.5 V | |
| Active Supply Current | 50 mA to 78 mA | |
| Standby Supply Current | 70 μA | |
| Package Type | 16-lead TSSOP_EP | |
| Operating Temperature Range | −40°C to +85°C |
Key Features
- Excellent phase accuracy and amplitude balance for high-performance direct modulation of IF carriers.
- Single 2.7 V to 5.5 V supply voltage.
- Pin-compatible with AD8346 and AD8349.
- 16-lead TSSOP_EP package.
- Enable pin for quick turn-on and turn-off (2.5 μs and 1.5 μs respectively).
- Differential LO drive recommended for maximum LO suppression at the output.
Applications
- Cellular communication systems: W-CDMA, CDMA, GSM, PCS, ISM transceivers.
- Fixed broadband access systems: LMDS, MMDS.
- Wireless LAN and wireless local loop systems.
- Digital TV and CATV modulators.
- Single sideband upconverters.
- Hybrid phase-locked loops with direct digital synthesizers.
Q & A
- What is the operating frequency range of the AD8345?
The AD8345 operates from 140 MHz to 1000 MHz.
- What is the typical output power at 1 dB compression (P1dB) for the AD8345?
The P1dB is +2.5 dBm at 800 MHz.
- What is the noise floor of the AD8345?
The noise floor is −155 dBm/Hz.
- What is the RMS phase error of the AD8345 for IS95 standards?
The RMS phase error is 0.5 degrees.
- What is the amplitude balance of the AD8345?
The amplitude balance is 0.2 dB.
- What is the supply voltage range for the AD8345?
The supply voltage range is 2.7 V to 5.5 V.
- What is the typical active supply current for the AD8345?
The typical active supply current is between 50 mA and 78 mA.
- What package type is the AD8345 available in?
The AD8345 is available in a 16-lead TSSOP_EP package.
- What are some common applications of the AD8345?
The AD8345 is used in cellular communication systems, fixed broadband access systems, wireless LAN, wireless local loop, digital TV, and CATV modulators.
- Is the AD8345 still in production?
No, the AD8345ARE-REEL7 is obsolete and no longer manufactured.
