AD7452 PDF Datasheet
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Description
This is 12-Bit ADC. 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 kH- input frequency Flexible power, serial clock speed management No pipeline delays High speed serial interface: SPI®, QSPI™, MICROWIRE™, DSP compatible Power-down mode: 1 A 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.
GENERAL DESCRIPTION
The AD74521 is a 12-bit, high speed, low power, successive approximation (SAR) analog-to-digital converter that features a fully differential analog input. This part operates from a single 3 V or 5 V po.