深圳市科瑞芯电子有限公司

UTC/友顺 UT3243AG-R28-R SSOP-28 +3.0V至+5.5V电源，235KBPS，多通道RS-232线路驱动器/接收器

DESCRIPTION

The UTC UT3243AG-R28-R consists of 3 drivers and 5 receivers. It meets ElA/TIA-232 and V.28/V.24 specifications, it intended for notebook computer applications. A high-efficiency, dual charge-pumps power supply and a low-dropout transmitter combine to deliver true RS-232 performance from a single +3.0V ~ +5.5V power supply. A guaranteed data rate of 120kbps provides compatibility with popular software for communicating with PCs.

The UTC UT3243A achieves 1μA supply current in shutdown condition. When the UT3243A doesn’t detect a valid signal level on its receiver inputs, the on-board power supply and drivers will shutdown, and when a valid level is applied to any RS-232 receiver input, then the system turns on again. Therefore, the system saves power without changes to the existing BIOS or operating system.

The UTC UT3243A requires only 0.1μF capacitors in 3.3V operation, and can operate from input voltages ranging from +3.0V ~ +5.5V. It is ideal for 3.3V-only systems, 5.0V-only systems, or mixed 3.3V and 5.0V systems that require true RS-232 performance.

The UTC UT3243A includes one complementary always-active receiver that can monitor an external device (such as a modem) in shutdown, without forward biasing the protection diodes in a UART that may have VCC completely removed.

UT3243AG-R28-R FEATURES
* Operates With 3.0V ~ 5.5V Power Supply
* Three Drivers and Five Receivers
* Operates Up To 235 kbps
* Designed to Transmit at a Data Rate of 235 kbps
* Low Standby Current (1uA Typical)
* External Capacitors (4×0.1μF)
* Accepts 5.0V Logic Input With 3.3V Supply
* Always-Active Non-inverting Receiver Output (R2OUTB)
* Serial-Mouse Drivability
* ESD(HBM) Protected ±15KV(MIN.) for RS-232 Pins

UT3243AG-R28-R规格书

科瑞芯电子秉持[追求品质、专*业诚信、持续创*新]的理念，为客户提供工业标品质、低成*本的半导体件，提供专*业技术支援及完*整的解决方案。持续追求、不断创*新以及提供更佳更广的准、高服务，协助客户及厂商提高竞争能力，致力于成为电子半导体通路商之一。