ADC108S022

·  Eight input channels
·  Variable power management
·  Independent analog and digital supplies
·  SPI/QSPI/MICROWIRE/DSP compatible
·  Packaged in 16-lead TSSOP

·  Automotive Navigation
·  Portable Systems
·  Medical Instruments
·  Mobile Communications
·  Instrumentation and Control Systems

If Military/Aerospace specified devices are required, pleasecontacttheNationalSemiconductorSalesOffice/Distributors for availability and specifications.
Analog Supply Voltage V_A ............................................-0.3V to 6.5V
Digital Supply Voltage V_D ....................-0.3V to V_A + 0.3V, max 6.5V
Voltage on Any Pin to GND ....................................-0.3V to V_A +0.3V
Input Current at Any Pin (Note 3) .........................................±10 mA
Package Input Current(Note 3) .............................................±20 mA
Power Dissipation at T_A = 25 .....................................See (Note 4)
ESD Susceptibility .................................................................(Note 5)
Human Body Model ..................................................................2500V
Machine Model ...........................................................................250V
Soldering Temperature, Infrared,
10 seconds (Note 6) ................................................................260
Junction Temperature ............................................................+150
Storage Temperature ..............................................-65 to +150

The ADC108S022 is a low-power, eight-channel CMOS 10-bit analog-to-digital converter specified for conversion throughput rates of 50 kSPS to 200 kSPS. The converter is based on a successive-approximation register architecture with an internal track-and-hold circuit. It can be configured toaccept up to eight input signals at inputs IN0 through IN7.

The output serial data is straight binary and is compatible with several standards, such as SPI^(TM), QSPI^(TM), MICROW-IRE^(TM), and many common DSP serial interfaces.

The ADC108S022 may be operated with independent ana-log and digital supplies. The analog supply (V_A ) can range from +2.7V to +5.25V, and the digital supply (V_D ) can range from+2.7VtoVA .Normalpowerconsumptionusinga+3Vor +5V supply is 1.1 mW and 6.4 mW, respectively. The power-down feature reduces the power consumption to 0.09 W using a +3V supply and 0.3 W using a +5V supply.

The ADC108S022 is packaged in a 16-lead TSSOP pack-age. Operation over the extended industrial temperature range of -40 to +105 is guaranteed.