Overview
The AD8016ARB-EVAL is an evaluation board designed for the AD8016, a low power, high output current xDSL line driver produced by Analog Devices Inc. This board provides a comprehensive platform for evaluating the performance and capabilities of the AD8016 in various Digital Subscriber Line (xDSL) systems, including ADSL, HDSL2, and VDSL.
The AD8016 itself is a dual amplifier optimized for line drive interfaces in xDSL systems. It operates from ±12 V supplies and is characterized by its high output current, low power dissipation, and robust thermal packaging. The evaluation board facilitates the testing of these features in a practical setup, making it an essential tool for engineers and developers working on xDSL applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| –3 dB Bandwidth | G = +1, RF = 1.5 kΩ, VOUT = 0.2 V p-p | 320 | 380 | MHz | |
| –3 dB Bandwidth | G = +5, RF = 499 Ω, VOUT < 0.5 V p-p | 69 | 78 | MHz | |
| Bandwidth for 0.1 dB Flatness | G = +5, RF = 499 Ω, VOUT = 0.2 V p-p | 10 | 15 | MHz | |
| Large Signal Bandwidth | VOUT = 1 V rms | 80 | MHz | ||
| Slew Rate | VOUT = 4 V p-p, G = +2 | 1000 | V/μs | ||
| Power Supply Rejection Ratio | ΔVS = ±1 V | 63 | 75 | dB | |
| Operating Temperature Range | –40 | +85 | °C | ||
| Differential Output Voltage | RL = 50 Ω, VS = ±12 V | 40 | V p-p | ||
| Shutdown Current | 250 | μA |
Key Features
- High output current and voltage swing, capable of providing 24.4 dBm output power into low resistance loads.
- Low power dissipation of 1.5 W while driving 20.4 dBm of power downstream.
- High speed with a 78 MHz bandwidth (–3 dB) and 40 MHz gain flatness.
- Flexible power-down modes controlled by two digital bits (PWDN0, PWDN1), allowing full performance, output keep-alive state, or two intermediate bias states.
- Robust thermal packaging available in 24-lead SOIC_W_BAT, 20-lead PSOP3, and 28-lead TSSOP_EP with an exposed lead frame (ePAD)).
- Low single-tone distortion of –75 dBc at 1 MHz and high multitone power ratio (MTPR) of –75 dBc from 26 kHz to 1.1 MHz).
Applications
The AD8016, evaluated using the AD8016ARB-EVAL board, is designed for use in Digital Subscriber Line systems such as:
- ADSL (Asymmetric Digital Subscriber Line)
- HDSL2 (High-bit-rate Digital Subscriber Line 2)
- VDSL (Very-high-bit-rate Digital Subscriber Line)
- Proprietary xDSL systems
It is particularly suited for central office (CO) terminal drivers due to its high output current, low power dissipation, and robust thermal packaging).
Q & A
- What is the primary application of the AD8016?
The AD8016 is primarily used in Digital Subscriber Line systems such as ADSL, HDSL2, VDSL, and proprietary xDSL systems).
- What is the maximum differential output voltage of the AD8016?
The AD8016 can provide a maximum differential output voltage of 40 V p-p with a load resistance of 50 Ω and supply voltages of ±12 V).
- What is the bandwidth of the AD8016 at a gain of +5?
The AD8016 has a bandwidth of 78 MHz (–3 dB) at a gain of +5).
- How does the AD8016 manage power consumption?
The AD8016 has flexible power-down modes controlled by two digital bits (PWDN0, PWDN1), allowing for full performance, output keep-alive state, or two intermediate bias states).
- What are the available package options for the AD8016?
The AD8016 is available in 24-lead SOIC_W_BAT, 20-lead PSOP3, and 28-lead TSSOP_EP with an exposed lead frame (ePAD)).
- What is the slew rate of the AD8016?
The AD8016 has a slew rate of 1000 V/μs for an output voltage of 4 V p-p at a gain of +2).
- What is the operating temperature range of the AD8016?
The AD8016 operates over a temperature range of –40°C to +85°C).
- How much power does the AD8016 dissipate?
The AD8016 dissipates only 1.5 W of total power while driving 20.4 dBm of power downstream).
- What is the shutdown current of the AD8016?
The shutdown current of the AD8016 is 250 μA).
- What evaluation boards are available for the AD8016?
Evaluation boards such as the AD8016ARP-EVAL, AD8016ARB-EVAL, and AD8016ARE-EVAL are available for evaluating the AD8016).
