ADS7884SDBVT ,2.7V-5.5V, 10 Bit, 3MSPS, Serial ADC 6-SOT-23 -40 to 125FEATURES APPLICATIONS• Base Band Converters in Radio• 3-MHz Sample Rate Serial DeviceCommunication• ..
ADS7886SBDBVR ,2.35V-5.25V, 12 bit, 1MSPS, Serial ADC 6-SOT-23 -40 to 125 SLAS492B–SEPTEMBER 2005–REVISED AUGUST 20165 Device Comparison TableTable 1. Micro-Power Miniature ..
ADS7886SDBVT ,2.35V-5.25V, 12 bit, 1MSPS, Serial ADC 6-SOT-23 -40 to 125Block Diagram... 14Information..... 204 Revision HistoryNOTE: Page numbers for previous revisions m ..
ADS7886SDCKT ,2.35V-5.25V, 12 bit, 1MSPS, Serial ADC 6-SC70 -40 to 125Features 3 DescriptionThe ADS7886 is a 12-bit, 1-MSPS analog-to-digital1• 1-MHz Sample Rate Serial ..
ADS7887SDBVT ,10-/8-Bit, 1.25-MSPS, MICRO-POWER, MINIATURE SAR ANALOG-TO-DIGITAL CONVERTERSFeatures 3 DescriptionThe ADS7887 device is a 10-bit, 1.25-MSPS, analog-1• 1.25-MHz Sample Rate Ser ..
ADS7888SDBVR ,10-/8-Bit, 1.25-MSPS, MICRO-POWER, MINIATURE SAR ANALOG-TO-DIGITAL CONVERTERSFeatures 3 DescriptionThe ADS7887 device is a 10-bit, 1.25-MSPS, analog-1• 1.25-MHz Sample Rate Ser ..
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ADS7884SDBVT
2.7V-5.5V, 10 Bit, 3MSPS, Serial ADC
DESCRIPTION
ADS7884
ADS7885SLAS567–MARCH 2008
10-/8-BIT, 3-MSPS, MICRO-POWER, MINIATURE
SAR ANALOG-TO-DIGITAL CONVERTERS •
Motor Current/Bus Voltage Sensorsin Digital•
8-Bit Resolution– ADS7885 Drives•
Zero Latency •
Optical Networking (DWDM, MEMS Based•
48-MHz Serial Interface Switching) Supply Range: 2.7Vto 5.5V •
Optical Sensors Battery Powered Systems•
Low Power Dissipation: Medical Instrumentations– 6.8 mWat 3-V VDD, 2.5 MSPS High-Speed Data Acquisition Systems– 15 mwat 5-V VDD,3 MSPS High-Speed Closed-Loop Systems•
±0.3 LSB INL, ±0.3 LSB DNL– ADS7884 ±0.15 LSB INL, ±0.1 LSB DNL– ADS7885 61.7 dB SINAD, –81 dB THD– ADS7884 49.8 dB SINAD, –68 dB THD– ADS7885 Unipolar Input Range:0Vto VDD Powerdown Current:1 µA Wide Input Bandwidth:30 MHzat3 dB 6-Pin SOT23 PackageThe ADS7884isa 10-bit, 3-MSPS analog-to-digital converter (ADC), and the ADS7885isa 8-bit, 3-MSPS ADC.
The devices includea capacitor based SAR A/D converter with inherent sample and hold. The serial interfacein
each deviceis controlledby the CS and SCLK signals for glueless connections with microprocessors and DSPs.
The input signalis sampled with the falling edgeof CS, and SCLKis used for conversion and serial data output.
The devices operate froma wide supply range from 2.7Vto 5.5V. The low power consumptionof the devices
make them suitable for battery-powered applications. The devices also includea power saving powerdown
featurefor when the devices are operatedat lower conversion speeds.
The high levelof the digital inputto the deviceis not limitedto device VDD. This means the digital input cangoas
high as 5.5V when device supplyis 2.7V. This featureis useful when digital signals are coming from other
circuit with different supply levels. Also this relaxes restrictionon powerup sequencing.
The ADS7884 and ADS7885 are availableina 6-pin SOT23 package and are specified for operation from –40°C 125°C.
Micro-Power Miniature SAR Converter Family
BIT < 300 KSPS 300 KSPS– 1.25 MSPS 3 MSPS12-Bit ADS7866 (1.2 VDDto3.6 VDD) ADS7886 (2.35 VDDto 5.25 VDD) —
10-Bit ADS7867 (1.2 VDDto3.6 VDD) ADS7887 (2.35 VDDto 5.25 VDD) ADS7884 (2.7 VDDto5.5 VDD)
8-Bit ADS7868 (1.2 VDDto3.6 VDD) ADS7888 (2.35 VDDto 5.25 VDD) ADS7885 (2.7 VDDto5.5 VDD)
