The DAC7558 is a 12 bit, eight way, voltage output DAC with excellent linearity and monotonicity. Its proprietary architecture minimizes unnecessary transients, such as code to code failures and channel to channel crosstalk. The low-power DAC7558 operates from a single 2.7 v to 5.5 v power supply. 32 pin QFN package, suitable for - 40 ° C to 105 ° C.
Function block diagram
DAC7558IRHBTG4 output amplifier can drive 2-k Ω, 200-pF rail to rail load, with 5 μ Stability time of s; The output range is set by an external voltage reference. The 3-wire serial interface operates at a clock rate of up to 50 MHz and is compatible with SPI, QSPI, Microwire and DSP interface standards. The output of all dacs can be updated simultaneously or sequentially.
This component contains a power reset circuit to ensure that the DAC output power goes to zero volts and remains there until a valid write cycle occurs to the device. This part includes a power down function, which reduces the current consumption of the device to less than 2 µ a. The small size and low power operation make the DAC 7558 ideal for battery operated portable applications. The power consumption is generally 7.5 mW at 5v, 3.7 mW at 3v, and reduced to 1w when powered off.
Shape of package
