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FEATURES

23? Eight Input Channels

? Variable Power Management

? Independent Analog and Digital Supplies

? SPI?/ QSPI?/MICROWIRE/DSP Compatible

? Packaged in 16-Lead TSSOP

APPLICATIONS

? Automotive Navigation

? Portable Systems

? Medical Instruments

? Mobile Communications

? Instrumentation and Control Systems

KEY SPECIFICATIONS

? Conversion Rate: 50 ksps to 200 ksps

? DNL (VA = VD = 2.7V to 5.25V): ±0.2 LSB (Max)

? INL (VA = VD = 2.7V to 5.25V): ±0.2 LSB (Max)

? Power Consumption

– 3V Supply: 0.9 mW (Typ)

– 5V Supply: 5.5 mw (Typ)

DESCRIPTION

The ADC088S022 is a low-power, eight-channel

CMOS 8-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 to accept 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?,

QSPI?, MICROWIRE, and many common DSP

serial interfaces.

The ADC088S022 may be operated with independent

analog and digital supplies. The analog supply (VA)

can range from +2.7V to +5.25V, and the digital

supply (VD) can range from +2.7V to VA. Normal

power consumption using a +3V or +5V supply is 0.9 mW and 5.5 mW, respectively. The power-down

feature reduces the power consumption to 0.03 μW

using a +3V supply and 0.15 μW using a +5V supply.

The ADC088S022 is packaged in a 16-lead TSSOP

package. Operation over the extended industrial

temperature range of ?40°C to +105°C is ensured.