Overview
The AD6630ARZ is a differential, low noise IF (Intermediate Frequency) gain block designed and manufactured by Analog Devices Inc. This component is optimized for use in narrow-band cellular and PCS (Personal Communications Service) receivers. It is specifically engineered to interface between SAW (Surface Acoustic Wave) filters and differential input analog-to-digital converters (ADCs). The AD6630ARZ features a fixed gain of 24 dB and is built using Analog Devices’ high-speed complementary bipolar process, ensuring high linearity and low noise performance.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Gain | 24 dB | - |
| Frequency Range | 70 MHz to 250 MHz | - |
| Output Limiter Adjustable | +8.5 dBm to +12 dBm | - |
| Bandwidth | 700 MHz | - |
| Power Supply | Single or Dual 5 V | - |
| Power Dissipation | 300 mW | - |
| Input Impedance | 200 Ω | - |
| Output Impedance | 400 Ω | - |
| Noise Figure | 4 dB | - |
| P1dB (Output Power at 1 dB Compression) | 7.5 dBm (5.6 mW) | - |
| Supply Current | 30 mA to 48 mA | - |
| Operating Temperature Range | –40°C to +85°C | - |
| Package | 16-Lead Wide Body SOIC | - |
Key Features
- Differential input and output architecture, allowing for 100 dB of adjacent channel blocking using low-cost SAW filters.
- Fixed gain of 24 dB, optimized for use with the AD6600 and AD6620 in digitizing narrowband IF carriers.
- Output limiting for ADC and SAW protection, with ±10° phase variation in recovery from overdrive situations.
- Clamping circuitry to maintain phase integrity of overdriven signals, enabling phase demodulation of single carrier signals.
- High linearity and low noise performance, suitable for a wide range of applications including GSM, CDMA, and TDMA.
- Single or dual 5 V power supply options.
- Low power dissipation of 300 mW.
- Operating temperature range of –40°C to +85°C.
Applications
- ADC IF drive amplifiers.
- Communications receivers.
- PCS/Cellular base stations.
- GSM, CDMA, TDMA, and other narrow-band cellular receivers.
- Interstage gain between differential SAW filters and/or analog-to-digital converters (ADCs).
Q & A
- What is the primary function of the AD6630ARZ?
The AD6630ARZ is a differential, low noise IF gain block designed to interface between SAW filters and differential input analog-to-digital converters (ADCs).
- What is the fixed gain of the AD6630ARZ?
The AD6630ARZ has a fixed gain of 24 dB.
- What is the frequency range of the AD6630ARZ?
The AD6630ARZ operates in the frequency range of 70 MHz to 250 MHz.
- What is the output limiter range of the AD6630ARZ?
The output limiter of the AD6630ARZ is adjustable from +8.5 dBm to +12 dBm.
- What is the power supply requirement for the AD6630ARZ?
The AD6630ARZ can operate with a single or dual 5 V power supply.
- What is the power dissipation of the AD6630ARZ?
The power dissipation of the AD6630ARZ is 300 mW.
- What is the input and output impedance of the AD6630ARZ?
The input impedance is 200 Ω, and the output impedance is 400 Ω.
- What is the noise figure of the AD6630ARZ?
The noise figure of the AD6630ARZ is 4 dB.
- What are the typical applications of the AD6630ARZ?
The AD6630ARZ is used in ADC IF drive amplifiers, communications receivers, PCS/Cellular base stations, and narrow-band cellular receivers such as GSM, CDMA, and TDMA.
- What is the operating temperature range of the AD6630ARZ?
The operating temperature range of the AD6630ARZ is –40°C to +85°C.
