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Differential Input, 555 kSPS 12-Bit ADC in an 8-Lead SOT-23 AD7452
FEATURES
Specified for VDD of 3 V and 5 V Low power at max throughput rate: 3.3 mW max at 555 kSPS with 3 V supplies 7.25 mW max at 555 kSPS with 5 V supplies Fully differential analog input Wide input bandwidth: 70 dB SINAD at 100 kHz input frequency Flexible power/serial clock speed management No pipeline delays High speed serial interface: SPI®/QSPI™/MICROWIRE™/DSP compatible Power-down mode: 1 µA max 8-lead SOT-23 package
FUNCTIONAL BLOCK DIAGRAM
VDD
VIN+ T/H VIN– VREF
12-BIT SUCCESSIVE APPROXIMATION ADC
SCLK
AD7452
SDATA CONTROL LOGIC CS
03154-A-001
APPLICATIONS
Transducer interface Battery-powered systems Data acquisition systems Portable instrumentation Motor control
GND
Figure 1.
AD7452 Datasheet
