Datasheet A/D Converter Series Successive Approximation A/D Converter 12 bit, 0.5 MSPS to 1 MSPS, 2.7 V to 5.25 V, 1-channel, SPI Interface BU79100G-LA General Description Key Specifications This is the product guarantees long time support in Supply Voltage Range: 2.70 V to 5.25 V industrial market. Sampling Rate: 0.5 MSPS to 1.0 MSPS The BU79100G-LA is a general purpose, 12 bit Power Consumption: 1-channel successive approximation AD converter. The (In 1MSPS Operation) 8 mW V = 5 V (Typ) A sampling rate of BU79100G-LA ranges from 0.5 MSPS to 1.5 mW V = 3 V (Typ) A 1 MSPS. INL: -1.1 LSB to +1.0 LSB DNL: -1.0 LSB to +1.0 LSB SNR: 71.5 dB V = 3 V (Typ) Features A SINAD: 71.0 dB VA = 3 V (Typ) Long Time Support Product for Industrial Applications Operating Temperature Range: -40 C to +85 C Maximum 1 MSPS Sampling Rate Low Power Consumption Small SSOP6 Package Compatible with SOT23-6 Package W (Typ) x D (Typ) x H (Max) Serial Interface Compatible with SSOP6 2.9 mm x 2.8 mm x 1.25 mm SPI/QSPI/MICROWIRE Operational Supply Voltage Range: 2.7 V to 5.25 V Single-ended Input Output Code in Straight Binary Format Applications Industrial Equipment Instrumentation and Control Systems Motor Control Systems Data Acquisition Systems Typical Application Circuit VOLTAGE REFERENCE VA 10F 0.1F CSB BU1S12S1BG-M 330 BU79100G-LA MICROPROCESSOR or ANALOG SCLK DSP SIGNAL 330 VIN SOURCE 22 SDATA GND 100 1000pF to 0.1F Product structure : Silicon integrated circuit This product has no designed protection against radioactive rays. www.rohm.com TSZ02201-0M2M0G720020-1-2 2021 ROHM Co., Ltd. All rights reserved. 1/20 TSZ22111 14 001 05.Feb.2021 Rev.001 BU79100G-LA Contents General Description ........................................................................................................................................................................ 1 Features.......................................................................................................................................................................................... 1 Applications .................................................................................................................................................................................... 1 Key Specifications .......................................................................................................................................................................... 1 Package .......................................................................................................................................................................................... 1 Typical Application Circuit ............................................................................................................................................................... 1 Pin Configuration ............................................................................................................................................................................ 3 Pin Descriptions .............................................................................................................................................................................. 3 Block Diagram ................................................................................................................................................................................ 3 Absolute Maximum Ratings ............................................................................................................................................................ 4 Thermal Resistance ........................................................................................................................................................................ 4 Recommended Operating Conditions ............................................................................................................................................. 5 Electrical Characteristics................................................................................................................................................................. 6 Timing Specifications ...................................................................................................................................................................... 7 Term Definitions .............................................................................................................................................................................. 8 Typical Performance Curves ........................................................................................................................................................... 9 Description of Functions ............................................................................................................................................................... 12 Application Example ..................................................................................................................................................................... 15 I/O Equivalence Circuit ................................................................................................................................................................. 16 Operational Notes ......................................................................................................................................................................... 17 Ordering Information ..................................................................................................................................................................... 18 Marking Diagram .......................................................................................................................................................................... 18 Physical Dimension and Packing Information ............................................................................................................................... 19 Revision History ............................................................................................................................................................................ 20 www.rohm.com TSZ02201-0M2M0G720020-1-2 2021 ROHM Co., Ltd. All rights reserved. 2/20 TSZ22111 15 001 05.Feb.2021 Rev.001