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AD5379ABCZ 数据表(PDF) 4 Page - Analog Devices |
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AD5379ABCZ 数据表(HTML) 4 Page - Analog Devices |
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4 / 29 page  AD5379 Rev. B | Page 3 of 28 GENERAL DESCRIPTION The AD5379 contains 40 14-bit DACs in one CSPBGA package. The AD5379 provides a bipolar output range determined by the voltages applied to the VREF(+) and VREF(−) inputs. The maxi- mum output voltage span is 17.5 V, corresponding to a bipolar output range of −8.75 V to +8.75 V, and is achieved with reference voltages of VREF(−) = −3.5 V and VREF(+) = +5 V. The AD5379 offers guaranteed operation over a wide VSS/VDD supply range from ±11.4 V to ±16.5 V. The output amplifier headroom requirement is 2.5 V operating with a load current of 1.5 mA, and 2 V operating with a load current of 0.5 mA. The AD5379 contains a double-buffered parallel interface in which 14 data bits are loaded into one of the input registers under the control of the WR, CS, and DAC Channel Address Pins A0 to A7. It also has a 3-wire serial interface that is com- patible with SPI®, QSPI™, MICROWIRE™, and DSP® interface standards and can handle clock speeds of up to 50 MHz. The DAC outputs are updated upon reception of new data into the DAC registers. All the outputs can be simultaneously updated by taking the LDAC input low. Each channel has a programmable gain and an offset adjust register. Each DAC output is gained and buffered on-chip with respect to an external REFGND input. The DAC outputs can also be switched to REFGND via the CLR pin. Table 1. High Channel Count, Low Voltage, Single-Supply DACs Model Resolution AVDD Range Output Channels Linearity Error (LSB) Package Description Package Option AD5380BST-5 14 bits 4.5 V to 5.5 V 40 ±4 100-Lead LQFP ST-100 AD5380BST-3 14 bits 2.7 V to 3.6 V 40 ±4 100-Lead LQFP ST-100 AD5381BST-5 12 bits 4.5 V to 5.5 V 40 ±1 100-Lead LQFP ST-100 AD5381BST-3 12 bits 2.7 V to 3.6 V 40 ±1 100-Lead LQFP ST-100 AD5384BBC-5 14 bits 4.5 V to 5.5 V 40 ±4 100-Lead CSPBGA BC-100 AD5384BBC-3 14 bits 2.7 V to 3.6 V 40 ±4 100-Lead CSPBGA BC-100 AD5382BST-5 14 bits 4.5 V to 5.5 V 32 ±4 100-Lead LQFP ST-100 AD5382BST-3 14 bits 2.7 V to 3.6 V 32 ±4 100-Lead LQFP ST-100 AD5383BST-5 12 bits 4.5 V to 5.5 V 32 ±1 100-Lead LQFP ST-100 AD5383BST-3 12 bits 2.7 V to 3.6 V 32 ±1 100-Lead LQFP ST-100 AD5390BST-5 14 bits 4.5 V to 5.5 V 16 ±3 52-Lead LQFP ST-52 AD5390BCP-5 14 bits 4.5 V to 5.5 V 16 ±3 64-Lead LFCSP CP-64 AD5390BST-3 14 bits 2.7 V to 3.6 V 16 ±4 52-Lead LQFP ST-52 AD5390BCP-3 14 bits 2.7 V to 3.6 V 16 ±4 64-Lead LFCSP CP-64 AD5391BST-5 12 bits 4.5 V to 5.5 V 16 ±1 52-Lead LQFP ST-52 AD5391BCP-5 12 bits 4.5 V to 5.5 V 16 ±1 64-Lead LFCSP CP-64 AD5391BST-3 12 bits 2.7 V to 3.6 V 16 ±1 52-Lead LQFP ST-52 AD5391BCP-3 12 bits 2.7 V to 3.6 V 16 ±1 64-Lead LFCSP CP-64 AD5392BST-5 14 bits 4.5 V to 5.5 V 8 ±3 52-Lead LQFP ST-52 AD5392BCP-5 14 bits 4.5 V to 5.5 V 8 ±3 64-Lead LFCSP CP-64 AD5392BST-3 14 bits 2.7 V to 3.6 V 8 ±4 52-Lead LQFP ST-52 AD5392BCP-3 14 bits 2.7 V to 3.6 V 8 ±4 64-Lead LFCSP CP-64 |
类似零件编号 - AD5379ABCZ |
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类似说明 - AD5379ABCZ |
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