Overview
The THS6032CDWP is a low-power, dual Class G amplifier and DSL/PLC line driver produced by Texas Instruments. This device is specifically designed for asymmetrical digital subscriber line (ADSL) applications, particularly in central office environments. It features two high-current, high-speed current-feedback drivers that can be configured differentially to drive ADSL signals efficiently. The THS6032CDWP is notable for its class-G architecture, which significantly reduces power consumption to 1.35 W, making it an ideal choice for power-sensitive applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | |
| Package | HSOIC (DWP) with 20 pins | |
| Operating Temperature Range | 0 to 70°C | °C |
| Total Supply Voltage (min) | 10 | V |
| Total Supply Voltage (max) | 32 | V |
| Bandwidth at Acl | 100 | MHz |
| Minimum Gain (V/V) | 1 | |
| Input Noise at Flatband (typ) | 2.4 | nV√Hz |
| Input Noise at 1 kHz (typ) | 2.8 | nV√Hz |
| Quiescent Current per Channel (typ) | 8.3 | mA |
| Offset Voltage at 25°C (max) | 5 | mV |
| Common Mode Rejection Ratio (CMRR) (typ) | 72 | dB |
| Input Bias Current (max) | 9000000 | pA |
| Gain Bandwidth Product (GBW) (typ) | 100 | MHz |
| Output Current (typ) | 440 | mA |
| Slew Rate | 1200 | V/µs |
Key Features
- Class-G Architecture: Efficiently supplies current from four different sources, minimizing power dissipation for high crest factor ADSL signals.
- Low Power Consumption: 1.35 W total power dissipation for full-rate ADSL into a 25-Ω load.
- Low-Impedance Shutdown Mode: Allows reception of incoming signals during standby.
- Dual Operation Modes: Class-G mode with four power supplies and Class-AB mode with two power supplies.
- High-Speed Performance: 65 MHz bandwidth (–3dB) with a 25-Ω load and 100 MHz bandwidth (–3dB) with a 100-Ω load.
- Low Distortion: Total Harmonic Distortion (THD) of –62 dBc at f = 1 MHz, VO(PP)= 20 V, 25-Ω load.
- High Output Current: Minimum output current of 400 mA into a 25-Ω load.
- Thermal and Short-Circuit Protection: Includes thermal shutdown and short-circuit protection features.
- Flexible Configuration: Separate shutdown controls for each channel, TTL compatible.
Applications
The THS6032CDWP is primarily designed for use in asymmetrical digital subscriber line (ADSL) applications, particularly in central office environments. It is suitable for high-speed digital interfaces and reliable ADSL line transmission. Other potential applications include:
- DSL and PLC line driving.
- High-speed data transmission systems.
- Telecommunication equipment.
- Network infrastructure devices.
Q & A
- What is the primary application of the THS6032CDWP?
The THS6032CDWP is primarily used in asymmetrical digital subscriber line (ADSL) applications, especially in central office environments.
- What is the unique feature of the class-G architecture in the THS6032CDWP?
The class-G architecture efficiently supplies current from four different sources, minimizing power dissipation for high crest factor ADSL signals.
- What are the two operation modes of the THS6032CDWP?
The device can operate in either Class-G mode with four power supplies or Class-AB mode with two power supplies.
- What is the total power dissipation of the THS6032CDWP in Class-G mode?
The total power dissipation is 1.35 W for full-rate ADSL into a 25-Ω load.
- What is the bandwidth of the THS6032CDWP?
The device has a bandwidth of 65 MHz (–3dB) with a 25-Ω load and 100 MHz (–3dB) with a 100-Ω load.
- What is the slew rate of the THS6032CDWP?
The slew rate is 1200 V/µs.
- Does the THS6032CDWP have thermal and short-circuit protection?
Yes, it includes thermal shutdown and short-circuit protection features.
- What is the operating temperature range of the THS6032CDWP?
The operating temperature range is 0 to 70°C.
- What is the typical quiescent current per channel for the THS6032CDWP?
The typical quiescent current per channel is 8.3 mA.
- Is the THS6032CDWP available in different packages?
Yes, it is available in HSOIC (DWP) and MicroStar Junior BGA packages.
