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Texas Instruments SN6501DBVR | Demoboard TIDA-00106
16-Bit 1-MSPS Data Acquisition Reference Design, Isolated for High-Voltage Common-Mode Rejection
Overview
| Topology | Other Topology |
| Input voltage | 3-5.5 V |
| Switching frequency | 620 kHz |
| Output 1 | 11 V |
Description
The circuit represents a high-performance dataacquisition (DAQ) solution suitable for processing inputsignals (up to ±12 V) superimposed on large commonmodeoffsets (tested up to 155 Vp-p from dc toapproximately 15 kHz) relative to the ground potentialof the systems main power supply. Common-moderejection is achieved by generating an isolated powersupply to allow the analog signal chain to float with theinput common-mode signal. The analog signal chainconsists of a high-performance, 16-bit, 1-MSPS SARADC with an integrated analog front end (AFE) offeringhigh input impedance and a wide ±12-V input voltagerange. Relevant application areas include PLC analoginput modules with channel-to-channel isolation,automotive battery pack monitoring, power monitoringin ac motor drives, thermocouple measurements, andso forth.
Features
REMARK:~ SCHEMATIC IS ADDED WITH EVAL BOARD PDF
Provides 16-bit, 1-MSPS, 120-dB CMRR, 108-dB THD, performance via IsolationIsolated data acquisition to allow for high-voltage common-mode rejectionIsolated power supply designDesign facilitates injecting high common-mode voltages for testing
More information
Products
Order Code | Datasheet | Downloads | Status | Product series | VIN | VOut1(V (DC)) | IOut1(A) | Type of Insulation | fswitch(kHz) | ∫Udt(Vµs) | NPRI : NSEC | L(µH) | VT(V (AC)) | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PPTI Push-Pull Transformers, 5 V (DC), 5 V (DC) | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PPTI Push-Pull Transformers | Input Voltage 5 V (DC) | Output Voltage 15 V (DC) | Output Current 10.6 A | Type of InsulationFunctional | Switching Frequency 300 - 620 | Voltage-µSecond11 Vµs | Turns Ratio1:1.3 | Inductance475 µH | Insulation Test Voltage2500 V (AC) | Length6.73 mm | Width10.2 mm | Height4.19 mm | MountSMT |