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AD5371BBCZ Scheda tecnica(PDF) 3 Page - Analog Devices |
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AD5371BBCZ Scheda tecnica(HTML) 3 Page - Analog Devices |
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3 / 25 page  Preliminary Technical Data AD5371 Rev. P rF | Page 3 of 25 General Description The AD5371 contains 40, 14-bit DACs in a single, 80-lead, LQFP package. It provides buffered voltage outputs with a span 4 times the reference voltage. The gain and offset of each DAC can be independently trimmed to remove errors. For even greater flexibility, the device is divided into blocks of 8 DACs, and the output range of each block can be independently adjusted by an offset DAC. Group 0 can be adjusted by Offset DAC 0, group 1 can be adjusted by Offset DAC 1 and group 2 to group 4 can be adjusted by Offset DAC 2. The AD5371 offers guaranteed operation over a wide supply range with VSS from -4.5 V to -16.5 V and VDD from +8 V to +16.5 V. The output amplifier headroom requirement is 1.4 V operating with a load current of 1 mA. The AD5371 has a high-speed serial interface, which is compatible with SPI®, QSPI™, MICROWIRE™, and DSP interface standards and can handle clock speeds of up to 50 MHz. It also has a 100 MHz Low Voltage Differential Signaling (LVDS) serial interface compliant with EIA-644 specification. The DAC outputs are updated on reception of new data into the DAC registers. All the outputs can be updated simultaneously by taking the LDAC input low. Each channel has a program- mable gain and an offset adjust register. Each DAC output is amplified and buffered on-chip with respect to an external SIGGND input. The DAC outputs can also be switched to SIGGND via the CLR pin. Table 1. High Channel Count Bipolar DACs Model Resolution Nominal Output Span Output Channels Linearity Error (LSB) Package Description Package Option AD5360BCPZ 16 Bits 4 × V REF (20 V) 16 ±4 56-Lead LFCSP CP-56 AD5360BSTZ 16 Bits 4 × V REF (20 V) 16 ±4 52-Lead LQFP ST-52 AD5361BCPZ 14 Bits 4 × V REF (20 V) 16 ±1 56-Lead LFCSP CP-56 AD5361BSTZ 14 Bits 4 × V REF (20 V) 16 ±1 52-Lead LQFP ST-52 AD5362BCPZ 16 Bits 4 × V REF (20 V) 8 ±4 56-Lead LFCSP CP-56 AD5362BSTZ 16 Bits 4 × V REF (20 V) 8 ±4 52-Lead LQFP ST-52 AD5363BCPZ 14 Bits 4 × V REF (20 V) 8 ±1 56-Lead LFCSP CP-56 AD5363BSTZ 14 Bits 4 × V REF (20 V) 8 ±1 52-Lead LQFP ST-52 AD5370BCPZ 16 Bits 4 × V REF (12 V) 40 ±4 64-Lead LFCSP CP-64 AD5370BSTZ 16 Bits 4 × V REF (12 V) 40 ±4 64-Lead LQFP ST-64 AD5371BCPZ 14 Bits 4 × V REF (12 V) 40 ±1 100-Ball CSPBGA BC-100-2 AD5371BSTZ 14 Bits 4 × V REF (12 V) 40 ±1 80-Lead LQFP ST-80 AD5372BCPZ 16 Bits 4 × V REF (12 V) 32 ±4 56-Lead LFCSP CP-56 AD5372BSTZ 16 Bits 4 × V REF (12 V) 32 ±4 64-Lead LQFP ST-64 AD5373BCPZ 14 Bits 4 × V REF (12 V) 32 ±1 56-Lead LFCSP CP-56 AD5373BSTZ 14 Bits 4 × V REF (12 V) 32 ±1 64-Lead LQFP ST-64 |
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