Datasheets are the primary documentation about components, describing their functionality and electrical properties.

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What is the ALS and BLS pin for on the ISL83204A full-bridge driver chip?

The datasheet for the ISL83204A full-bridge driver chip documents "low sense" pins that connect to the source of the bottom N-channel MOSFETs. As those are typically connected to ground, what is the ...
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1answer
63 views

How these circuit diagrams in the datasheet was made? [on hold]

I've seen so many IC datasheets, and so appreciate the elegant reference circuit diagrams they've made. I'm not meaning the 'function' of the circuit, but the 'beautiful' schematics itself, such as ...
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1answer
57 views

How to use MOSFET thermal data for simulating in software

I have a MOSFET (irfb7434pbf) acting as load switch in a circuit. The usual operation is well within the SOA region, but, on situations where the load would short circuit, the MOSFET is set to limit ...
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1answer
60 views

Help me understand this shift register timing diagram

My basic understanding of using a shift register to convert serial to parallel data is this: On every clock pulse, the state of the serial data pin is read As data is read, it gets shifted in to the ...
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0answers
40 views

Finding/figuring out pin configuration on undocumented components

I recently purchased an assorted set of LCD/LED displays, and inside there were a set of components which I cannot find a datasheet for upon googling the component number. For instance in the ...
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1answer
67 views

How to interpret this data sheet?

I'm really confused understanding the following device manual:https://www.endevco.com/product/prodpdf/136.pdf I don't understand most of what they write. Any one has some idea about these terminology? ...
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4answers
664 views

How to read Scaled Graphs?

Please ignore the graphed lines, those are irrelevant to the question, it's the graph itself that's relevant. I see this type of graph used all the time, between ...
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1answer
57 views

how to calculate Ic as the current through the collector and function of the transistor

I am going through this tutorial, they state that "Ic is the current through the collector and function of the transistor" however I haven't really been able to look at the data sheet and figure out ...
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3answers
99 views

Reference to understand LED data sheet specification, characteristic and way to use them

I'm trying to build my own IR-led light with multiple LEDs. I've bought a TSAL6100 IR led but I'm not sure how to interpret the data sheet, I can't find any reference in internet. Can anybody tell me ...
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1answer
60 views

Understanding 74LVC245 datasheet and current source/sink

I'm using a SN74LVC245A (datasheet) to shift 5V TTL down to 3.3V so I can read the signals with a Raspberry Pi. However I am getting really weird results (a 60Hz input signal is picked up by the Pi ...
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2answers
65 views

Will this relay handle my current and voltage requirements?

I have this relay: SONGLE SRA-24vdc-cl I want to use it to run 240V 11A device. I can see in the datasheet it can be up to 20A (section 7, line 4-5), but the relay is so small and its legs so ...
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1answer
71 views

Where to find I2C register information for MAX21000+?

The datasheet for the MAX21000+ IC contains a table listing all of the registers and their default values but doesn't include any description of each of the register bits. I assume there must be a ...
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3answers
32 views

Find product lead dimensions

I am building a project for a robot on breadboard, and I have come across the need for a voltage regulator. I have an existing voltage regulator, but it will not fit into the holes on my breadboard. ...
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3answers
106 views

How to find info on part efficiently?

I'm not exactly a novice to electronics, but my problem is closely related, and I still feel like a complete newbie at those times. I have no problem sourcing parts for new projects. Part of that is ...
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3answers
47 views

LTC2485 I2C Data Format

I am trying to understand the I2C data format of a 24 bits ACD (LTC2485). The data sheet says it returns 4 bytes (32 bits integer), but is unclear as to where the 24 bits I seek are located. Here is ...
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2answers
49 views

How to connect AFC terminal on Crystal Oscillator

I'm thinking of using a Temperature compensated crystal oscillator in my next project, specifically the TXC 7L-38.400MBS-T This device has an AFC (Automatic Frequency Control) terminal, but no ...
0
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1answer
49 views

Does SAM4S have FPU onboard?

While trying to use Atmel's ASF library, they say __FPU_PRESENT: Initialize macro __FPU_PRESENT = 1 when building on FPU supported Targets. Enable this macro for M4bf and M4lf libraries ...
6
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2answers
180 views

MOSFET Difference between Normalised On Resistance and Output characteristics

In the datasheet for STP36NE06, it has two graphs which seem to contradict each other: In the graph on the left, for Vgs=10v and ...
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3answers
94 views

I need a basic primer on interpreting vacuum tube datasheets

I am building a prop for a film that needs to have a bunch of glowing vacuum tubes on it. Unfortunately, beyond basic "valve theory", I'm not finding a lot of information about how to interpret the ...
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0answers
116 views

Does anyone have a datasheet for this Arira LCD?

I emailed the manufacturer but they haven't responded to my email. I received this LCD screen in a grab bag from Jameco. Googled for a while and couldn't find anything related to the pinouts of this ...
2
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1answer
119 views

Is there a difference between TI brand of the 74HC595 and the NXP brand?

I have been trying to figure out the functional differences between TI's version of 74HC595 and NXP's version. I've been looking at the function tables in the datasheet for TI and the datasheet for ...
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1answer
68 views

transistor characteristics - Ube0 number meaning

i'm trying to guess meaning of value marked as Ube0 in datasheets. (datasheet adress: http://www.datasheetarchive.com/dlmain/Datasheets-36/DSA-700258.pdf, the transistor I want to use is Tesla ...
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1answer
320 views

Where can I find the datasheet for an DGL-0401YG-4EH LCD display

I recently bought a "goodie bag" or whatever it is called with a lot of different displays in the bag. I figured it could be useful someday or just to play around with. However it seems that the ...
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3answers
138 views

Why are EEPROM sizes measured in “k” or kbit and not kbyte or byte?

I keep seeing EEPROM datasheets using terms such as 4k, 16k, etc. and they're referring to 4 kilobit and 16 kilobit, bits, megabits, and kilobits are often used. Very seldom do they use byte prefixes. ...
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3answers
112 views

Opamp operation with “unbalanced” power supplies

Usually the way to operate an opamp is to feed a +V and a -V of the same magnitude but opposed polarity. Or, just +V and GND. But now, I need an opamp's output to be In a different range. About ...
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1answer
60 views

NTE912 Pinout Confusion

The NTE912 contains three standalone BJT transistors and two configured as a differential pair. The datasheet can be found at http://www.nteinc.com/specs/900to999/pdf/nte912.pdf and gives a pin ...
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1answer
63 views

DM631 16 channel LED driver

After a bit of advice as reading a datasheet on the DM631, this is a 16 channel constant current LED driver, datasheet can be found here http://www.siti.com.tw/product/spec/LED/DM631.pdf Now the ...
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1answer
69 views

What is a mutli-bit port (4-bit, 8-bit, ..etc.)

I've been researching XMOS multicore microcontrollers lately so that I can use them soon. I've worked with many development boards, even made a few of my own, although there is one thing that I don't ...
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2answers
454 views

What is the difference between TCCR1A and TCCR1B [closed]

I had an error in the configuration of PWM for the atmega8 because I didn't set my register properly. But I thought that Timer 1 is timer 1, no matter is TCCR1A or TCCR1B. Why can I set all the timer ...
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2answers
100 views

Need help with finding the electronic schematics

I'm trying to find what kind of circuitry(circuit components or schematics) is used in this anemometer: http://www.nrgsystems.com/sitecore/content/Products/5966.aspx There are a lot of details about ...
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1answer
61 views

Doubts related to SIM300 power rating and its configuration?

I just started reading SIM300 data sheet (http://probots.co.in/Manuals/SIM300.pdf). Under the section 5.3 Power supply ratings.I have few following doubts i) peak supply current transmission is ...
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2answers
93 views

Defining the pins of Realtek TX2 IC

Can anyone explain clearly what is the purpose of SC and SO pins of TX2 encoder? Why SC isn't connected anywhere?
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1answer
37 views

Differential Voltage Range vs. Clipping Level

The data sheet for the AD835 analog multiplier mentions that its inputs have a "Differential Voltage Range" of ±1V and a "Differential Clipping Level" of at least ±1.2V (typ. ±1.4V). What is the ...
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5answers
97 views

Understanding a datasheet

Studying an IC component's datasheet, somewhere you meet electrical characteristics for the device. Device is tested under specific conditions (e.g. Vs). How electrical characteristics are affected ...
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2answers
75 views

Input current in an ic

I know that measuring amperage in a circuit, makes sense when you have load, but what if you have an ic component? I want to power supply operational amplifier LM741 ...
2
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2answers
120 views

How to calculate open-loop input impedance of an opamp if it is not explicitly given in the datasheet?

I would like to know input impedance of opamps I'm using in the circuit, so that I can choose input stage resistors optimally. However, opamp datasheets usually don't give the imput impedance value ...
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0answers
55 views

Figure out an H-bridge's datasheet [part 2]

[1]Except voltage supply, output current, output peak current and logic input voltage/current, is there anything else I should notice, for controlling a DC motor? [2]Ιn L6205N (PowerDIP20) datasheet ...
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1answer
277 views

Undestanding LIS3DSH datasheet and AN339 Application Note - Intepreting accelerometer data

I am reading LIS3DSH accelerometer datasheet and I have some questions regarding following text: 2.2 Understanding acceleration data The measured acceleration data are sent to OUT_X_H, ...
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2answers
100 views

What does “injection current” mean in the context of a microcontroller datasheet?

What does "injection current" mean in the context of a microcontroller datasheet? Specifically, I have the following on a dsPIC:
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1answer
64 views

Figure out an H-bridge's datasheet

As I am a beginner at electrical engineering, I try to figure out the reccomended operation conditions for H-bridge SN754410 (http://www.ti.com/lit/ds/slrs007b/slrs007b.pdf). I intend to supply with: ...
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0answers
58 views

Datasheet or other info on camera module of Samsung Galaxy S WiFi 3.6

I got a couple of dead (water damage, broken) Samsung Galaxy S WiFi 3.6, so I'd like to use some of the parts of them. Especially I hoped to use the camera modules for some µC-Projects, but I can't ...
2
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2answers
148 views

Can someone verify the hole diameter is correct?

I'm looking at this current sensor (datasheet) I'm a little confused at this notation for hole size. Pin 5 and 6 have a diameter of 0.6mm while pin 1, 2, 3, 4 have a diameter of 0.25mm ? Is that ...
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1answer
35 views

MTD2955V P-Channel positive voltages

I'm planning to use this MOSFET to switch about 1.5A at 5 Volts. But the datasheet is a bit confusing. All voltages are positive, even though they should be negative, shouldn't they? This confuses me ...
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1answer
166 views

AVR: overclocking ADC

This is a quote from ATmega32 datasheet: ...
4
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2answers
133 views

Why did the datasheet mention this interface?

I have a ST32F103RET6 MCU. I got the datasheet(and refrence manual). When i saw in the datasheet(and refrence manual), i saw this part: i have several questions now: I don't know, why did the ...
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0answers
41 views

SDRAM timing requirements

I am interfacing a Micron MT48H16M32LFCM-75 SDRAM with an Atmel AT91SAM9G20 and I need to verify on paper (as far as possible), that the timing specifications between those two devices are compatible. ...
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1answer
349 views

everything I need to know about IC 74LS14?

My teacher asked for us (max until next 5 days) to tell her: General details about this IC (7414), Its features and benefits, Its application, Its important electrical characteristics, and ...
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2answers
131 views

What does this symbols means on the LCD pin outs?

I am trying to understand this product : NHD-C0220BIZ-FS(RGB)-FBW-3VM It is a LCD with back light in reg, green, blue (not clear for me if they are mixed or you can only choose one) What do you ...
0
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1answer
203 views

Datasheet for this processor(M3329 CPU (MIPS architecture))

Where can i find datasheet for this processor? Look: Also, I could found some information of this link: Acer Laboratories Incorporated but it's not enough.
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1answer
327 views

How can I understand a servo well enough to build one?

I am trying to understand exactly how a servo works, so that I can build one. I bought and built a small robot arm kit, and it has five geared DC motors to actuate it. I would like to control the ...