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ADC0801/ADC0802/ADC0803/ADC0804/ADC0805 8-Bit mP Compatible A/D Converters 8-Bit m
ADC0801/ADC0802/ADC0803/ADC0804/ADC0805 8-Bit mP Compatible A/D Converters 8-Bit m

... Note 4: For VIN( b ) t VIN( a ) the digital output code will be 0000 0000. Two on-chip diodes are tied to each analog input (see block diagram) which will forward conduct for analog input voltages one diode drop below ground or one diode drop greater than the VCC supply. Be careful, during testing a ...
ADC0801 ADC0802 ADC0803 ADC0804 ADC0805 8
ADC0801 ADC0802 ADC0803 ADC0804 ADC0805 8

... Note 4: For VIN( b ) t VIN( a ) the digital output code will be 0000 0000. Two on-chip diodes are tied to each analog input (see block diagram) which will forward conduct for analog input voltages one diode drop below ground or one diode drop greater than the VCC supply. Be careful, during testing a ...
FEATURES APPLICATIONS DESCRIPTION
FEATURES APPLICATIONS DESCRIPTION

... degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those specified is not implied. The THS4500/1 may incorporate a PowerPAD on the underside of the chip. This acts as a heat sink and must be connected to a thermal ...
High Precision, Low Noise OPERATIONAL AMPLIFIERS FEATURES DESCRIPTION
High Precision, Low Noise OPERATIONAL AMPLIFIERS FEATURES DESCRIPTION

... voltage and drift. To achieve highest dc precision, circuit layout and mechanical conditions should be optimized. Connections of dissimilar metals can generate thermal potentials at the op amp inputs which can degrade the offset voltage and drift. These thermocouple effects can exceed the inherent d ...
Octal Channel Protectors ADG467  FEATURES
Octal Channel Protectors ADG467 FEATURES

... directly in the signal path but is used to connect the source of the second PMOS device to its backgate. This has the effect of lowering the threshold voltage and thus increasing the input signal range of the channel for normal operation. The source and backgate of the NMOS devices are connected for ...
Eddy current transducers
Eddy current transducers

... in FIG 6 comprises a coil former on to which three coils are wound.  The primary coil is excited with an AC current, the secondary coils are wound such that when a ferrite core is in the central linear position, an equal voltage is induced in to each coil.  The secondary are connected in opposite ...
MAX3243-EP 数据资料 dataSheet 下载
MAX3243-EP 数据资料 dataSheet 下载

DRV2700 High Voltage Driver with Integrated
DRV2700 High Voltage Driver with Integrated

... The DRV2700 device is a single-chip piezo driver with an integrated 105-V boost switch, integrated power diode, and integrated fully-differential amplifier. This versatile device is capable of driving both high-voltage and lowvoltage piezo loads. The input signal can be either differential or single ...
Kirchoffs Voltage Law
Kirchoffs Voltage Law

... negative of every elements voltage where the minus sign is first met. The loop must start and end at the same point. It does not matter where you start on the loop. R1 Note that a current direction must have been assumed. The assumed current creates10V a voltage across each resistor and fixes the po ...
Fourth Year Engineering Project Final Report Noah Moser i Project
Fourth Year Engineering Project Final Report Noah Moser i Project

... Figure 2: Common-emitter, common-base and common-collector amplifiers..................8 Figure 3: Simplified small signal model of the bipolar transistor.....................................9 Figure 4: Cascode amplifier................................................................................ ...
14-Bit, Dual, Parallel Input, Multiplying Digital-to
14-Bit, Dual, Parallel Input, Multiplying Digital-to

... The DAC8805 dual, multiplying digital-to-analog converter (DAC) is designed to operate from a single 2.7V to 5.5V supply. The applied external reference input voltage VREF determines the full-scale output current. An internal feedback resistor (RFB) provides temperature tracking for the full-scale o ...
Chapter 2 Diode Circuits
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... The input power transformer also provides electrical isolation between the powerline circuit and the electronic circuits to be biased by the rectifier circuit. This isolation reduces the risk of electrical shock. During the positive half of the input voltage cycle, both output voltages v S are posit ...
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UCC28950 数据资料 dataSheet 下载

... • VDD voltage exceeds rising UVLO threshold 7.3 V typical. • The 5-V reference voltage is available. • Junction temperature is below the thermal shutdown threshold of 140°C. • The voltage on the soft-start capacitor is not below 0.55 V typical. If all those conditions are met, an internal enable sig ...
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MAX1533/MAX1537 High-Efficiency, 5x Output, Main Power
MAX1533/MAX1537 High-Efficiency, 5x Output, Main Power

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High-Speed EMC Optimized Can Transceiver

... If a high logic level is applied to the S pin of the SN65HVD1050, the device enters a listen-only silent mode during which the driver is switched off while the receiver remains fully functional. In silent mode, all bus activity is passed by the receiver output to the local protocol controller. When ...
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dc-ac inverter unit - Mikrocontroller.net

... to support battery voltages of approximately 5 to 15 V. When an AC adapter is used, however, even higher voltages are present. In some cases, the input voltages range more than 4 to 1. A wide range of brightness control Since we assume portable use, the required brightness needs to be adjusted depen ...
AN2950
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... The power supply is set-up in a flyback topology. Its schematic is shown in Figure 2. The input section includes the protection elements (fuse and NTC for inrush current limiting), a filter for EMC suppression (C1, T2, C13), a diode bridge (BR1) and an electrolytic bulk capacitor (C3) as the front-e ...
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... offset-voltage stability far exceeding the stability available with conventional metal-gate processes. Three offset-voltage grades are available (C-suffix and I-suffix types), ranging from the low-cost TLC27L1 (10 mV) to the TLC27L1B (2 mV) low-offset version. The extremely high input impedance and ...
AN-912: Driving a Center-Tapped Transformer with a Balanced Current-Output DAC
AN-912: Driving a Center-Tapped Transformer with a Balanced Current-Output DAC

VCA820 Wideband, > 40-dB Adjust Range, Linear in dB Variable
VCA820 Wideband, > 40-dB Adjust Range, Linear in dB Variable

... linearity. For a 20-dB maximum gain, and a gaincontrol input voltage varying between 1 V and 2 V, the gain does not deviate by more than ±0.4dB (maximum at +25°C). Device Information(1) ...
MAX1645B Advanced Chemistry-Independent, Level 2 Battery Charger with Input Current Limiting General Description
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... General Description The MAX1645B is a high-efficiency battery charger capable of charging batteries of any chemistry type. It uses the Intel System Management Bus (SMBus) to control voltage and current-charge outputs. When charging lithium-ion (Li+) batteries, the MAX1645B automatically transitions ...
Wideband, Low-Distortion Fully Differential Amplifiers (Rev. D)
Wideband, Low-Distortion Fully Differential Amplifiers (Rev. D)

... may degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those specified is not implied. (2) The THS450x may incorporate a PowerPAD on the underside of the chip. This acts as a heatsink and must be connected to a th ...
Host-Controlled Li-Ion and Li-Polymer Battery Charger, Low Iq
Host-Controlled Li-Ion and Li-Polymer Battery Charger, Low Iq

... The bq24753A controls external switches to prevent battery discharge back to the input, connect the adapter to the system, and to connect the battery to the system using 6-V gate drives for better system efficiency. For maximum system safety, inrush-power limiting provides instantaneous response to ...
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MXL1543 +5V Multiprotocol, 3Tx/3Rx, Software- Selectable Clock/Data Transceivers General Description

... The MXL1543 is a three-driver/three-receiver multiprotocol transceiver that operates from a +5V single supply. The MXL1543, along with the MXL1544/MAX3175 and the MXL1344A, form a complete software-selectable data terminal equipment (DTE) or data communication equipment (DCE) interface port that sup ...
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Wilson current mirror



A Wilson current mirror is a three-terminal circuit (Fig. 1) that accepts an input current at the input terminal and provides a ""mirrored"" current source or sink output at the output terminal. The mirrored current is a precise copy of the input current. It may be used as a Wilson current source by applying a constant bias current to the input branch as in Fig. 2. The circuit is named after George R. Wilson, an integrated circuit design engineer who worked for Tektronix. Wilson devised this configuration in 1967 when he and Barrie Gilbert challenged each other to find an improved current mirror overnight that would use only three transistors. Wilson won the challenge.
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