AD7441 PDF Datasheet
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Description
This is 10-/12-Bit ADCs. Pseudo Differential Input, 1 MSPS, 10-, 12-Bit ADCs in an 8-Lead SOT-23 AD7441, AD7451
FEATURES
Fast throughput rate: 1 MSPS Specified for VDD of 2.7 V to 5.25 V Low power at maximum throughput rate: 4 mW maximum at 1 MSPS with VDD = 3 V 9.25 mW maximum at 1 MSPS with VDD = 5 V Pseudo 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 μA maximum 8-lead SOT-23 and MSOP packages
FUNCTIONAL BLOCK DIAGRAM
VDD
VIN+ VIN VREF T, H
12-BIT SUCCESSIVE APPROXIMATION ADC
SCLK
AD7441, AD7451
CONTROL LOGIC
SDATA CS
APPLICATIONS
Transducer interface Battery-powered systems Data acquisition systems Portable instrumentation
GND
Figure 1.
GENERAL DESCRIPTION
The AD7441, AD7451 1 are, respectively, 10-, 12-bit high speed, low power, single-supply, successive approximation (SAR), analog-to-digital convert.