| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
513 pcs
|
513 pcs | On Request | 1 | On Request | On Request | 02+ | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Controller Type | |
| Mounting Type | |
| Operating Temperature | |
| Power Dissipation | |
| Supplier Device Package | |
| Voltage |
The BU9348K from ROHM Semiconductor is an integrated circuit designed as a DRAM controller for CD players. This IC incorporates functions to electrically protect against pop noise by utilizing DRAM. It supports four types of DRAM, including 16MDRAM, 4MDRAMx2, 4MDRAM, and 1MDRAM, and offers selectable shockproof modes (4bit, 5bit, 6bit, non-compression) along with a through mode.
Key features include compatibility with x4 speed DRAM, a built-in digital attenuator, and a soft mute function. The device also includes an extended I/O function. It operates within a supply voltage range of 2.7V to 3.6V and has an operating temperature range of -25°C to 75°C. The BU9348K is housed in a 44-QFP (10x10) surface mount package.
This controller is specifically suited for applications in portable CD players, where managing audio signals and protecting against noise is critical. Its shockproof modes and digital attenuation capabilities contribute to reliable audio playback.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.50 | $1.50 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The recommended operating voltage range is 2.7V to 3.6V at 25°C. The absolute maximum rating is 4.5V.
The BU9348K is available in a 44-QFP (10x10mm) surface mount package.
The recommended operating temperature range is -25°C to 75°C. The absolute maximum range is -55°C to 125°C.
In shock proof mode at 25°C with VCC=3.0V, the typical current consumption is 8.9mA.
The maximum power dissipation is 500mW at 25°C.
The BU9348K is a Dynamic RAM (DRAM) controller.