Analog Devices Inc.
Analog Devices (NASDAQ: ADI) leads in crafting high-performance analog, mixed-signal, and digital signal processing integrated circuits. For decades, they've tackled signal processing challenges across global electronics. With over 100,000 clients, their products convert real-world phenomena into electrical signals. Merged with Maxim Integrated, they offer top-tier mixed-signal and power management technologies, solving complex problems from DC to 100 GHz and sensor to cloud.
View All Product from Analog Devices Inc.Complete Dual 12-Bit DAC ComprisingTwo 12-Bit CMOS DACs
The AD7237A/AD7247A is an enhanced version of the industrystandard AD7237/AD7247. Improvements include operationfrom 12 V to 15 V supplies, faster interface times and betterreference variations with VDD. Additional features include fastersettling times.The AD7237A/AD7247A is a complete, dual, 12-bit, voltageoutput digital-to-analog converter with output amplifiers andZener voltage reference on a monolithic CMOS chip. No exter-nal user trims are required to achieve full specified performance.Both parts are microprocessor compatible, with high speed datalatches and interface logic. The AD7247A accepts 12-bit paral-lel data which is loaded into the respective DAC latch using theWR input and a separate Chip Select input for each DAC. TheAD7237A has a double buffered interface structure and an 8-bitwide data bus with data loaded to the respective input latch intwo write operations. An asynchronous LDAC signal on theAD7237A updates the DAC latches and analog outputs.A REF OUT/REF IN function is provided which allows eitherthe on-chip 5 V reference or an external reference to be used asa reference voltage for the part. For single supply operation, twooutput ranges of 0 V to +5 V and 0 V to +10 V are available,while these two ranges plus an additional ±5 V range are avail-able with dual supplies. The output amplifiers are capable of de-veloping +10 V across a 2 kΩ load to GND.The AD7237A/AD7247A is fabricated in Linear CompatibleCMOS (LC2MOS), an advanced, mixed technology processthat combines precision bipolar circuits with low power CMOSlogic. Both parts are available in a 24-pin, 0.3" wide plastic andhermetic dual-in-line package (DIP) and are also packaged in a24-lead small outline (SOIC) package.
TYPE | DESCRIPTION | Select all |
---|---|---|
Package | Tape & Reel (TR) | |
Voltage - Supply, Digital | 10.8V ~ 16.5V | |
Product Status | Obsolete | |
INL/DNL (LSB) | ±0.5 (Max), ±0.9 (Max) | |
Programmable | Not Verified | |
Architecture | R-2R | |
Number of Bits | 12 | |
Operating Temperature | -40°C ~ 85°C | |
Number of D/A Converters | 2 | |
Package / Case | 24-SOIC (0.295", 7.50mm Width) | |
Settling Time | 8µs | |
Supplier Device Package | 24-SOIC | |
Output Type | Voltage - Buffered | |
Mounting Type | Surface Mount | |
Differential Output | No | |
Data Interface | Parallel | |
Reference Type | External, Internal | |
Series | DACPORT® | |
Voltage - Supply, Analog | ±10.8V ~ 16.5V |
Analog Devices Inc.
Analog Devices (NASDAQ: ADI) leads in crafting high-performance analog, mixed-signal, and digital signal processing integrated circuits. For decades, they've tackled signal processing challenges across global electronics. With over 100,000 clients, their products convert real-world phenomena into electrical signals. Merged with Maxim Integrated, they offer top-tier mixed-signal and power management technologies, solving complex problems from DC to 100 GHz and sensor to cloud.
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