AD7490BCPZ ADCs Analog To Digital Converters FH32K144MNT0MLHT
ATMEGA328P-AU Data Converter ICs
FEATURES
Fast throughput rate: 1 MSPS Specified for VDD of 2.7 V to 5.25 V
Low power at maximum throughput rates 5.4 mW maximum at 870 kSPS
with 3 V supplies 12.5 mW maximum at 1 MSPS with 5 V supplies 16
(single-ended) inputs with sequencer Wide input bandwidth: 69.5 dB
SNR at 50 kHz input frequency Flexible power/serial clock speed
management No pipeline delays High speed serial interface,
SPI/QSPI™/MICROWIRE™/ DSP compatible Full shutdown mode: 0.5 µA
maximum 28-lead TSSOP and 32-lead LFCSP packages AEC-Q100 qualified
for automotive applications
APPLICATIONS
Multichannel system monitoring Battery-powered equipment Power line
monitoring Data acquisition, instrumentation, and process control
PRODUCT HIGHLIGHTS
1. The AD7490 offers up to 1 MSPS throughput rates. At maximum
throughput with 3 V supplies, the AD7490 dissipates just 5.4 mW of
power.
2. A sequence of channels can be selected, through which the AD7490
cycles and converts.
3. The AD7490 operates from a single 2.7 V to 5.25 V supply. The
VDRIVE function allows the serial interface to connect directly to
either 3 V or 5 V processor systems independent of VDD.
4. The conversion rate is determined by the serial clock, allowing
the conversion time to be reduced through the serial clock speed
increase. The part also features various shutdown modes to maximize
power efficiency at lower throughput rates. Power consumption is
0.5 µA, maximum, when in full shutdown.
5. The part features a standard successive approximation ADC with
accurate control of the sampling instant via a CS input and once
off conversion control.
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