Overview
The DS90LV012A, specifically the DS90LV012ATMF, is a single CMOS differential line receiver designed by Texas Instruments. This device is optimized for applications that require ultra-low power dissipation, low noise, and high data rates. Utilizing Low Voltage Differential Swing (LVDS) technology, the DS90LV012A supports data rates exceeding 400 Mbps (200 MHz). It translates low voltage differential input signals to 3-V CMOS output levels and is compatible with the ANSI TIA/EIA-644-A standard. The device is fabricated with advanced CMOS process technology and operates over an industrial temperature range of −40°C to +85°C.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VDD) | 2.7 | 3.3 | 3.6 | V |
| Operating Free Air Temperature (TA) | −40 | 25 | +85 | °C |
| Differential Input High Threshold (VTH) | −30 | 0 | mV | |
| Differential Input Low Threshold (VTL) | −100 | −30 | mV | |
| Common-Mode Voltage (VCM) | 0.05 | 2.35 | VDD - 0.3 | V |
| Propagation Delay High to Low (tPHLD) | 1.0 | 1.8 | 3.5 | ns |
| Differential Skew | 100 | ps | ||
| Integrated Termination Resistor (RT) | 102 | Ω | ||
| Package Types | SOT-23 (DBV), WSON-8 |
Key Features
- Compatible with ANSI TIA/EIA-644-A Standard
- Supports data rates in excess of 400 Mbps (200 MHz)
- 100 ps differential skew (typical)
- 3.5 ns maximum propagation delay
- Integrated line termination resistor (102Ω typical) for DS90LT012A
- Single 3.3V power supply design (2.7V to 3.6V range)
- Power down high impedance on LVDS inputs
- Accepts small swing (350 mV typical) differential signal levels
- LVDS receiver inputs accept LVDS/BLVDS/LVPECL inputs
- Supports open, short, and terminated input fail-safe
- Pinout simplifies PCB layout
- Low Power Dissipation (10mW typical @ 3.3V static)
- Industrial temperature operating range (−40°C to +85°C)
Applications
The DS90LV012A is suitable for various high-speed interface applications, including:
- High-speed data transmission systems
- Point-to-point and multi-point data communication
- Alternatives to high power PECL/ECL devices
- Industrial and automotive systems requiring low power and high data rates
Q & A
- What is the maximum data rate supported by the DS90LV012A?
The DS90LV012A supports data rates in excess of 400 Mbps (200 MHz).
- What is the typical differential skew of the DS90LV012A?
The typical differential skew is 100 ps.
- What are the operating temperature ranges for the DS90LV012A?
The device operates over an industrial temperature range of −40°C to +85°C.
- What types of packages are available for the DS90LV012A?
The device is available in SOT-23 (DBV) and WSON-8 packages.
- Does the DS90LV012A support fail-safe conditions?
Yes, the DS90LV012A supports open, short, and terminated input fail-safe conditions, ensuring a HIGH output state in all fail-safe scenarios.
- What is the typical power consumption of the DS90LV012A?
The typical power consumption is 10mW at 3.3V static.
- Is the DS90LV012A compatible with other differential signaling standards?
Yes, it accepts LVDS/BLVDS/LVPECL inputs.
- How does the DS90LV012A handle power-down conditions?
The device enters a high impedance state on LVDS inputs during power-down.
- What is the significance of the integrated line termination resistor in the DS90LT012A?
The integrated line termination resistor (typically 102Ω) is designed for point-to-point applications, simplifying the circuit design.
- Can the DS90LV012A be used as an alternative to PECL/ECL devices?
Yes, it provides a low-power alternative to high power PECL/ECL devices for high-speed interface applications.
