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DS90LV031ATMX

Quad LVDS Driver, 400Mbps, 3.3V, SOIC-16

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Pieza del fabricante：

DS90LV031ATMX

Paquete：

SOIC-16 (9.9 x 3.9 x 1.75 mm)

Marca：
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Descripción

Productos

The DS90LV031ATMX from Texas Instruments is a 3V quad LVDS differential line driver supporting data rates over 400 Mbps, with tri-state outputs and 3.0-3.6V supply in an SOIC-16 package.

Especificaciones

Tipo Quad LVDS Differential Line Driver
Canales 4
Tensión de alimentación 3.0 V to 3.6 V
Velocidad de datos 400 Mbps (200 MHz)
Differential Output Voltage 250 mV to 450 mV (typical 350 mV)
Output Offset Voltage 1.125 V to 1.375 V (typical 1.2 V)
Retardo de propagación 2.0 ns (typical)
Output Transition Time 0.5 ns (typical)
Paquete SOIC-16
Temperatura de funcionamiento -40C to +85C

Características

  • 4 LVDS differential drivers in one package
  • 400+ Mbps data rate (200 MHz clock)
  • 350 mV typical differential output swing
  • 3.0V to 3.6V single supply
  • Tri-state outputs for bus sharing
  • Companion receiver: DS90LV032A
  • Compliant with TIA/EIA-644 (LVDS)

Aplicaciones

  • High-speed point-to-point data links
  • Backplane and cable interconnects
  • Video and display data transmission
  • Clock distribution networks

The DS90LV031ATMX from Texas Instruments is a quad CMOS differential line driver designed for applications requiring ultra-low power dissipation and high data rates using Low Voltage Differential Signaling (LVDS) technology. The device accepts LVTTL/LVCMOS input levels and translates them to low-voltage (350mV typical) differential output signals compliant with the TIA/EIA-644 LVDS standard. Data rates in excess of 400 Mbps are supported. The current-mode driver design provides constant 3.5 mA output current that develops 350 mV across a 100-ohm termination resistor at the receiver. The output offset voltage of 1.2V centers the signal within the receiver common-mode range. EN and EN* pins provide tri-state control for bus sharing and ultra-low idle power of 13 mW typical. The DS90LV031A paired with the DS90LV032A receiver provides a complete LVDS communication solution consuming 80% less power than PECL alternatives.

The DS90LV031ATMX uses a current-mode driver architecture where a controlled 3.5 mA current source is steered through the differential output pair. When the input is HIGH, current flows from the Y output through the 100-ohm termination resistor to the Z output, creating a positive differential voltage. When the input is LOW, the current direction reverses, creating a negative differential voltage. This current-mode approach provides several advantages: the 350 mV swing is relatively constant regardless of load impedance variations, the quiescent current remains flat versus switching frequency (unlike RS-422 voltage-mode drivers), and the low swing minimizes EMI and power dissipation. The output is centered at 1.2V offset from ground, within the 0V to 2.4V LVDS receiver common-mode range. The tri-state function disconnects the current source, reducing supply current to the 3.5 mA idle state. The 2ns propagation delay and 0.5ns transition times enable the 400 Mbps data rate.

Pin Nombre Tipo Función
1 DIN1 Entrada Driver 1 data input
2 DIN2 Entrada Driver 2 data input
3 DOUT2+ Salida Driver 2 positive output
4 DOUT2- Salida Driver 2 negative output
5 GND Potencia Suelo
6 DOUT3- Salida Driver 3 negative output
7 DOUT3+ Salida Driver 3 positive output
8 DIN3 Entrada Driver 3 data input
9 DIN4 Entrada Driver 4 data input
10 DOUT4- Salida Driver 4 negative output
11 DOUT4+ Salida Driver 4 positive output
12 ES Entrada Enable (active HIGH)
13 EN* Entrada Enable (active LOW)
14 DOUT1- Salida Driver 1 negative output
15 DOUT1+ Salida Driver 1 positive output
16 VCC Potencia 3.3V supply
  • 4-channel high-speed video data link at 400Mbps per channel over Cat-5 cable
  • Backplane clock distribution at 200MHz with LVDS point-to-point topology
  • Multi-drop sensor data acquisition with tri-state bus sharing
  • FPGA-to-ASIC high-speed parallel data transfer with 4 LVDS pairs
Fabricante Número de pieza Paquete Notas
TI DS90LV031ATMX/NOPB SOIC-16 Same device, different packing
ADI ADN4665ARZ SOIC-16 Quad LVDS driver, pin-compatible
ST STLVDS31BDR SOIC-16 Quad LVDS driver, equivalent
TI SN65LVDS31DR SOIC-16 LVDS driver, newer family
TI DS90LV047ATMX SOIC-16 Quad bus LVDS driver, half-duplex
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