Overview
The DS90LV012ATMFX is a 3-V LVDS (Low Voltage Differential Signaling) single CMOS differential line receiver designed by Texas Instruments. This device is optimized for applications requiring ultra-low power dissipation, low noise, and high data rates. It is compatible with the ANSI TIA/EIA-644-A standard and supports data rates exceeding 400 Mbps (200 MHz). The DS90LV012ATMFX translates low voltage differential input signals to 3-V CMOS output levels, making it suitable for high-speed interface applications.
Key Specifications
| Parameter | Min | Typ | 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 |
| Differential Propagation Delay High to Low (tPHLD) | 1.0 | 1.8 | 3.5 | ns |
| Integrated Termination Resistor (RT) | - | 102 | - | Ω |
| Power Dissipation (Typical @ 3.3V static) | - | 10 | - | mW |
| Package | - | SOT-23, WSON-8 | - | - |
Key Features
- Compatible with ANSI TIA/EIA-644-A Standard
- Supports data rates exceeding 400 Mbps (200 MHz)
- 100 ps differential skew (typical)
- 3.5 ns maximum propagation delay
- Integrated line termination resistor (102Ω typical) in 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 DS90LV012ATMFX is designed for high-speed interface applications requiring ultra-low power dissipation and low noise. Typical applications include:
- High-speed data transmission systems
- Point-to-point and multi-point data communication
- Industrial control systems
- Aerospace and defense systems
- Automotive systems requiring high-speed data transfer
Q & A
- What is the maximum data rate supported by the DS90LV012ATMFX?
The DS90LV012ATMFX supports data rates exceeding 400 Mbps (200 MHz).
- What is the typical differential skew of the DS90LV012ATMFX?
The typical differential skew is 100 ps.
- What is the maximum propagation delay of the DS90LV012ATMFX?
The maximum propagation delay is 3.5 ns.
- Does the DS90LV012ATMFX have an integrated termination resistor?
No, the DS90LV012ATMFX does not have an integrated termination resistor. However, the DS90LT012A version does.
- What is the power supply voltage range for the DS90LV012ATMFX?
The power supply voltage range is from 2.7V to 3.6V.
- What types of input signals does the DS90LV012ATMFX accept?
The DS90LV012ATMFX accepts LVDS, BLVDS, and LVPECL input signals.
- What is the operating temperature range of the DS90LV012ATMFX?
The operating temperature range is from -40°C to +85°C.
- How does the DS90LV012ATMFX handle fail-safe conditions?
The device has internal fail-safe circuitry that ensures a HIGH output state for open, shorted, or terminated input conditions.
- What are the recommended PCB layout guidelines for the DS90LV012ATMFX?
Use at least 4 PCB board layers (top to bottom): LVDS signals, ground, power, TTL signals. Isolate TTL signals from LVDS signals to prevent coupling.
- What are the power dissipation characteristics of the DS90LV012ATMFX?
The typical power dissipation at 3.3V static is 10mW.
