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Description
The TZA1031HL is a laser driver circuit designed for a wide range of recordable and rewritable optical drives. It is specifically designed to be located near the laser diode on the Optical Pick-up Unit (OPU). The TZA1031HL can be used in CD-R/RW systems with speeds ranging from 1× to 24× (24× speed is still under evaluation). It is also suitable for DVD-R/RW systems with speeds of 1×, 2×, and 4× (4× speed is still under evaluation). Additionally, it is compatible with future standards like DVR.
Specifications and Features
- Separate 3.3V digital, analog, and output driver power supplies
- Selective power-down of internal functions via I2C-bus for power saving
- Low voltage-swing of the differential Run Length Limited Code (RLC) inputs for high-speed transmission and good electromagnetic compatibility
- High-impedance input switching to control two or more TZA1031HL ICs in parallel for double writer applications
- Supports I2C-bus interface up to 400 kbits/s with block transfer feature in slave mode only
- 3.3V and 5V tolerant input logic
- Supports any RLC code with run lengths from 1 to 15
- Automatic write-read switching for run lengths ≥16
- Channel decoding rate up to 105 Mbits/s, according to DVD 4×
- Lookback function to enable write pre-compensation by data-dependent write strategy with a land-pit compensation of up to five
- Supports Forced Erase (FE) mode for quick initialization of the disc
- Fixed propagation delay within RLC clock periods to allow accurate data linking on disc
- Supports CD-R, CD-RW, DVD+RW, DVD-R, DVD-RW, and DVR formats or any comparable existing or future format
- Programmable write strategy via I2C-bus; completely flexible up to a maximum of two output level transitions per RLC clock period
- Pulse timing resolution of 2 ns at 500 MHz internal clock
- Minimum pulse width of 4 ns at 500 MHz internal clock
- Four programmable threshold current levels with an 8-bit resolution and eight programmable delta levels with an 8-bit resolution
- Independent laser threshold and laser delta current control
- Programmable modulation unit (Continue..)
Application Scenarios
The TZA1031HL is suitable for a wide range of recordable and rewritable optical drives. It can be used in CD-R/RW systems and DVD-R/RW systems, as well as future standards like DVR. It is designed to be located close to the laser diode on the Optical Pick-up Unit (OPU) of these drives.
Comparison
Advantages- Supports a wide range of optical drives
- Flexible and programmable write strategy
- Accurate data linking on disc
- Supports various CD and DVD formats
- Compatible with future standards
Disadvantages- 24× speed for CD-R/RW is still under evaluation
- 4× speed for DVD-R/RW is still under evaluation
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
Delivery period:
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Shipping option:
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Additional Information
- Datasheet: Download TZA1031HL
- Chipdatas Part: CD92-TZA1031HL
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/14 11:07 +0800
Refund
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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