OBSOLETE PRODUCT — AD15700:  1 MSPS 16-/14-Bit Analog I/O Port

The AD15700 is a precision component to interface analog input and output channels to a digital processor. It is ideal for arealimited applications that require maximum circuit density. The AD15700 contains the functionality of a 16-bit, 1 MSPS charge redistribution SAR analog-to-digital converter that operates from a 5 V power supply. The high speed 16-bit sampling ADC incorporates a resistor input scaler that allows various input ranges, an internal conversion clock, error correction circuits, and both serial and parallel system interface ports. The AD15700 also contains a 14-bit, serial input, voltage output DAC that operates from a 5 V supply and has a settling time of 1 ms. Two single- or split-supply voltage feedback amplifiers with rail-to-rail input and output characteristics featuring 80 MHz of small signal bandwidth and 10 mV/∞C offset drift provide ADC and DAC buffering capability. The center tapped 3 kW resistors are precision resistor networks with 2 ppm/∞C ratio tracking that provide low gain drift when used for scaling.

The ADC, DAC, and amp functions are electrically isolated from each other to provide maximum design flexibility. Input and output signal conditioning circuits for the converters can be easily configured with short interconnects under the device at the board level. The AD15700 is available in a 10 mm CSPBGA package.

AD15700:  1 MSPS 16-/14-Bit Analog I/O Port

Product Description

The AD15700 is a precision component to interface analog input and output channels to a digital processor. It is ideal for arealimited applications that require maximum circuit density. The AD15700 contains the functionality of a 16-bit, 1 MSPS charge redistribution SAR analog-to-digital converter that operates from a 5 V power supply. The high speed 16-bit sampling ADC incorporates a resistor input scaler that allows various input ranges, an internal conversion clock, error correction circuits, and both serial and parallel system interface ports. The AD15700 also contains a 14-bit, serial input, voltage output DAC that operates from a 5 V supply and has a settling time of 1 ms. Two single- or split-supply voltage feedback amplifiers with rail-to-rail input and output characteristics featuring 80 MHz of small signal bandwidth and 10 mV/∞C offset drift provide ADC and DAC buffering capability. The center tapped 3 kW resistors are precision resistor networks with 2 ppm/∞C ratio tracking that provide low gain drift when used for scaling.

The ADC, DAC, and amp functions are electrically isolated from each other to provide maximum design flexibility. Input and output signal conditioning circuits for the converters can be easily configured with short interconnects under the device at the board level. The AD15700 is available in a 10 mm CSPBGA package.

DATA SHEET

REPLACEMENT PARTS

Compatibility: No recommendation for replacement

Availability: This model is Obsolete and all models in the family are Obsolete

Rochester Electronics is the only authorized source of Analog Devices' products that have previously been discontinued or have become obsolete. Product availability should be checked directly with Rochester Electronics.

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