Datasheet A/D Converter Series Successive Approximation A/D Converter 10bit, 50k to 220kSPS, 2.7 to 5.25V, TM 8-channel, SPI Interface BH2715FV General Description Key Specifications The BH2715FV is a general purpose, 10-bit 8-channel Supply Voltage Range: 2.7V to 5.25V successive approximation A/D converter. The sampling Resolution: 10bit rate of BH2715FV ranges from 50kSPS to 220kSPS. INL: 1.5 LSB DNL: 1.2 LSB Sampling Rate: 220kSPS(Max) Features Power Consumption Successive Approximation A/D Converter with a In 220kSPS Operation: 1.2mW at V =3V(Typ) Built-in Track/Hold Circuit DD 6.5mW at V =5V(Typ) DD 8 Input Channels Supply Current In Power Down: 0A (Typ) Separate Analog and Digital Power Supplies Operational Temperature Range: -40C to +85C Serial Interface Compatible with TM TM TM SPI /DSP /MICROWIRE Low Power Consumption Package W(Typ) x D(Typ) x H(Max) Power Down Mode SSOP-B16 5.00mm x 6.40mm x 1.35mm Applications Sensors / Scanners Battery Monitors and Power Supply Monitors Control of the Various Types of FA Equipment Typical Application Circuit SSOP-B16 LDO LDO 0.1F 0.1F R IN AVDD DVDD Vconv INx CSB MICROPROCESSOR SCLK or BH2715FV SDIN C DSP IN SDOUT AGND DGND R PD Product structure : Silicon monolithic integrated circuit This product has no designed protection against radioactive rays www.rohm.com TSZ02201-0RCR1N300010-1-2 2016 ROHM Co., Ltd. All rights reserved. 1/14 TSZ22111 14 001 25.Feb.2016 Rev.002 BH2715FV Pin Configuration SSOP-B16 (TOP VIEW) 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 Pin Descriptions Pin No. Pin Name Description Chip select input terminal. Logic input in active-low. The falling edge of CSB starts A/D 1 CSB conversion. 2 AVDD Analog power supply terminal. 3 AGND Analog ground terminal. 4 IN0 Analog input terminal. Input range : 0 to VA V . 5 IN1 Analog input terminal. Input range : 0 to VA V . 6 IN2 Analog input terminal. Input range : 0 to VA V . 7 IN3 Analog input terminal. Input range : 0 to VA V . 8 IN4 Analog input terminal. Input range : 0 to VA V . 9 IN5 Analog input terminal. Input range : 0 to VA V . 10 IN6 Analog input terminal. Input range : 0 to VA V . 11 IN7 Analog input terminal. Input range : 0 to VA V . 12 DGND Digital ground terminal. 13 DVDD Digital power supply terminal. 14 SDIN Serial data input terminal to set a register. Serial data output terminal. SDOUT outputs serial data synchronously to the falling 15 SDOUT edge of SCLK. In the 16-bit serial data, the first 4 bits are zeros, the following 10-bit data is an A/D conversion result in MSB first and the last 2 bits are zeros. 16 SCLK Clock input terminal. Controlling serial data output and A/D conversion processing. www.rohm.com TSZ02201-0RCR1N300010-1-2 2016 ROHM Co., Ltd. All rights reserved. 2/14 TSZ2211115001 25.Feb.2016 Rev.002