2SB1616

      The 2SB1616 has 4 feature,that is,darlington connection for a high hFE;Built-in resistor between base and emitter;built-in damper doide;complements the 2SD2478.
      The 2SB1616s sector erase architecture allows any number of array sectors to be erased and re- programmed without affecting the data contents of other sectors. Device erasure is initiated by ex- ecuting the Erase Command. This initiates an in- ternal algorithm that automatically preprograms the array (if it is not already programmed) before ex- ecuting the erase operation. During erase cycles, the device automatically times the erase pulse widths and verifies proper cell margin.
      The 2SB1616/2SB1616 are 12-bit data-acquisition systems specifically designed for use in applications with mixed +5V (analog) and +3V (digital) supply volt- ages. They operate with a single +5V analog supply or dual 5V analog supplies, and combine an 8-channel multiplexer, high-bandwidth track/hold, and serial inter- face with high conversion speed and low power con- sumption. A 4-wire serial interface connects directly to SPI™/MICROWIRE™ devices without external logic, and a serial strobe output allows direct connection to TMS320-family digital signal processors. The 2SB1616/2SB1616 use either the internal clock or an external serial-interface clock to perform successive- approximation analog-to-digital conversions. The serial interface operates at up to 2MHz. The 2SB1616 features an internal 4.096V reference, while the 2SB1616 requires an external reference. Both parts have a reference-buffer amplifier that simplifies gain trim. They also have a VL pin that is the power supply for the digital outputs. Output logic levels (3V, 3.3V, or 5V) are determined by the value of the voltage applied to this pin. These devices provide a hard-wired SHDN pin and two software-selectable power-down modes. Accessing the serial interface automatically powers up the devices. A quick turn-on time enables the 2SB1616/2SB1616 to be shut down between conversions, allowing the user to optimize supply currents. By customizing power- down between conversions, supply current can drop below 10µA at reduced sampling rates. The 2SB1616/2SB1616 are available in 20-pin SSOP and DIP packages, and are specified for the commer- cial, extended, and military temperature ranges.
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