AD573: 10-bit successive approximation ADC

The AD573 is a complete 10-bit successive approximation analog-to-digital converter consisting of a DAC, voltage reference, clock, comparator, successive approximation register (SAR) and three state output buffers- all fabricated on a single chip. No external components are required to perform a full accuracy 10-bit conversion in 20 us.

The AD573 incorporates advanced integrated circuit design and processing technologies. The successive approximation function is implemented with I2L (integrated injection logic). Laser trimming of the high stability SiCr thin-film resistor ladder network insures high accuracy, which is maintained with a temperature compensated subsurface Zener reference.

Operating on supplies of +5 V and -12 V to -15 V, the AD573 will accept analog inputs of 0 V to +10 V or -5 V to +5 V. The trailing edge of a positive pulse on the CONVERT line initiates the 20us conversion cycle. DATA READY indicates completion of the conversion. HIGH BYTE ENABLE (HBE) and LOW BYTE ENABLE (LBE) control the 8-bit and 2-bit three state output buffers.

The AD573 is available in two versions for the 0°C to +70°C temperature range, the AD573J and AD573K. The AD573S guarantees ±1 LSB relative accuracy and no missing codes from -55°C to +125°C.

Three package configurations are offered. All versions are offered in a 20-pin hermetically sealed ceramic DIP. The AD573J and AD573K are also available in a 20-pin plastic DIP or 20-pin leaded chip carrier.

AD573 特点

Complete 10-Bit A/D Converter with Reference, Clock and Comparator
Full 8- or 16-Bit Microprocessor Bus Interface
Fast Successive Approximation Conversion-20 us typ
No Missing Codes Over Temperature
Operates on +5 V
and –12 V to –15 V Supplies
Low Cost Monolithic Construction

AD573 功能框图

AD573 芯片订购指南

产品型号	产品状态	封装	引脚	温度范围
5962-8850501RA	量产	20 ld Side-Brazed CerDIP	20	军用
AD573JD	量产	20 ld Side-Brazed CerDIP	20	商业
AD573JN	量产	20 ld PDIP	20	商业
AD573JNZ	量产	20 ld PDIP	20	商业
AD573JP	量产	20 ld PLCC	20	商业
AD573JPZ	量产	20 ld PLCC	20	商业
AD573KD	量产	20 ld Side-Brazed CerDIP	20	商业
AD573KN	量产	20 ld PDIP	20	商业
AD573KNZ	量产	20 ld PDIP	20	商业
AD573SD	量产	20 ld Side-Brazed CerDIP	20	军用
AD573SD/883B	量产	20 ld Side-Brazed CerDIP	20	军用