20 V, 500 mA, Low Noise, CMOS LDO
The ADP7104 is available in seven fixed output voltage options and an adjustable version, which allows output voltages that range from 1.22 V to VIN − VDO via an external feedback divider.
The ADP7104 output noise voltage is 15 μV rms and is independent of the output voltage. A digital power-good output allows power system monitors to check the health of the output voltage. A user programmable precision undervoltage lockout function facilitates sequencing of multiple power supplies.
The ADP7104 is available in 8-lead, 3 mm × 3 mm LFCSP and 8-lead SOIC packages. The LFCSP offers a very compact solution and also provides excellent thermal performance for applications requiring up to 500 mA of output current in a small, low-profile footprint.
- Regulation to noise sensitive applications:
ADC, DAC circuits, precision amplifiers, high frequency oscillators, clocks and PLLs
- Communications and Infrastructure
- Medical and Healthcare
- Industrial and Instrumentation
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This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
Simple device measurements such as line and load regulation, dropout, and ground current can be demonstrated with just a single voltage supply, a voltmeter, a current meter, and load resistors.
The EVAL-AD7928SDZ is a full featured evaluation board that allows the user to easily evaluate all the features of the AD7928 analog-to-digital converter (ADC). The evaluation board can be controlled by theEVAL-SDP-CB1Z SDP board via a 120-way SDP connector (J102). The SDP board allows the evaluation board to be controlled through the USB port of a PC using the AD7928 evaluation software, which is available for download from the product page or from the installer CD included in the evaluation board kit.
On-board components include the following:
- ADP1613: 20 V, 2 A, step up, dc-to-dc regulator
- ADP7104ARDZ-5.0: 5 V, low noise LDO
- AD780: high precision, band gap voltage reference
- ADG3308: bidirectional logic level translator
- AD8022: dual high speed, low noise operational amplifier
- AD8066: dual FastFET™, low noise operational amplifier
- ADA4000-2: dual low cost, precision JFET input operational amplifier
- ADM1185: quad voltage monitor and sequencer
- ADP3303: high accuracy anyCAP®, 200 mA, low dropout linear regulator
Evaluation Kit Contents
EVAL-AD7928SDZ evaluation board
Evaluation software CD for the AD7928
Mains power supply adapter
Additional Equipment Needed
EVAL-SDP-CB1Z system demonstration platform
PC running Windows Vista or Windows 7 with USB 2.0 port
AD7928 data sheet
EVAL-AD7928SDZ user guide
AD7928 evaluation software
Design and Integration Files
Schematics, layout files, bill of materials
This will create a template email that will request from us the proper blank evaluation board for that ADI part and your application's power parameters.
Note: Some parts have multiple blank boards for high/low current or for different topologies (Boost, SEPIC, SEPIC-Cuk), while other blank boards support multiple ADI parts. This is why it is important to run the design tool with your parameters before making your email request from the tool.
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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.