Overview
Description
The RAA7884QT is a ±16.5kV IEC 61000-4-2 ESD protected, 3.0V to 5.5V powered, quad transmitter designed for balanced communication using the RS-422 standard. With low output leakage currents (±10µA), the driver presents a low load to the RS-422 bus.
The driver (Tx) outputs are tri-statable and incorporate a hot plug feature to keep them disabled during power-up and power-down. The RAA7884QT has a common EN/EN.
| Basic Information | |
|---|---|
| Parameters | RAA7884QT |
| Production Status | Mass Production |
| Key Feature | High Speed |
| # of Rx | 4 |
| Devices Allowed on Bus | 256 |
| Half/Full Duplex | N/A |
| High ESD Protection | Yes - IEC 61000-4-2 |
| Hot Plug | Yes |
| Data Rate | 50Mbps |
| Supply Voltage Vcc (Min) | 3V |
| Supply Voltage Vcc (Max) | 5.5V |
| Slew Rate Limited | No |
| Tx/Rx Enable | Yes - Group Enables |
| IS Enabled/Disabled | 800µA |
| SHDN ICC | 60µA |
| VL Pin | No |
| Qualification Level | Standard |
| Supply Voltage Vcc Range | 3.0V to 5.5V |
| Can Sample | Yes |
| Temperature Range | -40 °C to +125 °C |
| Orderable Part Name | Product Longevity Program (PLP) | Production Status | 1000 Piece Budgetary Price For MLQ, please inquire | Minimum Order Quantity | Package Info | Distributors | Request Samples | Buy Direct |
|---|---|---|---|---|---|---|---|---|
| RAA7884QT4GSP#HB0 | - | Mass Production | Call | 2500 | - | 0 | - | Buy |
| RAA7884QT4GSP#AB0 | - | Mass Production | Call | 1920 | - | 0 | - | Buy |
Features
- IEC 61000 ESD protection on RS-422 outputs: ±16.5kV
- Class 3 ESD level on all other pins: 12kV HBM
- High machine model ESD level on all pins: 700V
- Wide supply range: 3.0V to 5.5V
- Specified for +125 °C operation
- Available in industry-standard pinout
- Hot plug Tx outputs remain tri-stated during power-up and power-down
- Low Tx leakage allows > 256 devices on the bus
- High data rate of 50Mbps minimum
- Low quiescent supply current: 0.8mA (maximum)
- Low shutdown supply current: 60µA
- Current limiting and thermal shutdown for driver overload protection
- Tri-statable Tx outputs
- 5V tolerant logic inputs when VCC = 3.3V
- Pb-free (RoHS compliant)
Comparison
Applications
Design & Development
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.
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