The LTC2309HF#PBF is a 8-channel 12-bit SAR Analog-to-digital Converter (ADC) with I²C compatible serial interface. This ADC includes an internal reference and a fully differential sample-and-hold circuit to reduce common mode noise. The ADC operates from an internal clock to achieve a fast 1.3µs conversion time. It operates from a single 5V supply and draws just 300µA at a throughput rate of 1ksps. The ADC enters nap mode when not converting, reducing the power dissipation. The low power consumption and small size make the ADC ideal for battery-operated and portable applications, while the 2-wire I²Ccompatibleserialinterfacemakes this ADC a good match for space-constrained systems.

• Guaranteed no missing codes
• Internal reference
• Internal 8-channel multiplexer
• Internal conversion clock

The AD7328BRUZ is a 8-channel Software-selectable True Bipolar Input 12-bit Plus Sign ADC designed on the iCMOS™ (industrial CMOS) process. iCMOS is a process combining high voltage silicon with submicron CMOS and complementary bipolar technologies. It enables the development of a wide range of high performance analogue ICs capable of 33V operation in a footprint that no previous generation of high voltage parts could achieve. Unlike analogue ICs using conventional CMOS processes, iCMOS components can accept bipolar input signals while providing increased performance, dramatically reduced power consumption and reduced package size. It can accept true bipolar analogue input signals. The successive approximation ADC has four software-selectable input ranges: ±10, ±5, ±2.V and 0 to +10V. Each analogue input channel can be independently programmed to one of the four input ranges.

• 12-bit Plus sign SAR ADC
• True bipolar input ranges
• 1MSPS throughput rate
• 8 Analogue input channels with channel sequencer
• Single-ended, true differential and pseudo differential analogue input capability
• High analogue input impedance
• Low power
• Temperature indicator
• 22MHz Full power signal bandwidth
• High speed serial interface