Author Topic: FREE Analog Engineer's Circuit Cookbooks from Texas Instruments  (Read 7144 times)

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Offline Lee LeducTopic starter

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Thought I'd pass this along to the group. Free books from TI.

Analog Engineer's Circuit Cookbooks

Analog-to-Digital Converters (ADCs)
Operational Amplifiers (Op Amps)

http://www.ti.com/analog-circuit/circuit-cookbook.html?HQS=asc-null-null-tlamps_cookbook-asset-lp-null-wwe&DCM=yes
 
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Offline Sudo_apt-get_install_yum

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Re: FREE Analog Engineer's Circuit Cookbooks from Texas Instruments
« Reply #1 on: June 19, 2018, 12:12:19 pm »
Had a friend surprise me this morning with a copy of each printed out!

I already know most of this but it’s a nice refresher, I haven’t done much analog work lately
 

Offline MasterT

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Re: FREE Analog Engineer's Circuit Cookbooks from Texas Instruments
« Reply #2 on: June 19, 2018, 01:45:33 pm »
Circuit Cookbook: ADC's, p.10 & p.16 resistor 200 kOhm seems very high for SAR ADC. Brief search in the ads7042 data sheet shows correct value, p.25 - 200 Ohm.
 
 

Offline Audioguru

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Re: FREE Analog Engineer's Circuit Cookbooks from Texas Instruments
« Reply #3 on: June 20, 2018, 01:47:29 am »
When I clicked on "download" it opened but did not copy it. I needed to find the cookbook in Google to find a link that I could copy the PDF file.
 

Offline Gyro

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Re: FREE Analog Engineer's Circuit Cookbooks from Texas Instruments
« Reply #4 on: June 20, 2018, 08:54:46 am »
A most useful little book on that page is the "The Signal" free ebook, down on the second row. It covers, in an easily accessible form, so many of the opamp questions I've seen in this section.

http://www.ti.com/lit/slyt701

Best Regards, Chris
 

Offline ArthurKay

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Re: FREE Analog Engineer's Circuit Cookbooks from Texas Instruments
« Reply #5 on: June 21, 2018, 08:20:48 pm »
Just a quick comment on the cookbook circuit.  The value of that filter resistor should be different depending on the sampling rate of the converter and the amplifier used.  This circuit example is for a very low power system, so the sampling rate is very low.  When the sampling rate is low, the time to charge the internal sample and hold capacitor is long and a larger time constant can be used.  Also, for a low power amplifier (like the one in the circuit) a large series resistor may be required for stability.  In any case, the transient analysis simulation (page 14) shows that the circuit settles well.  The link below is to a video series that shows how to select the RC circuit and confirm the accuracy using simulation.

https://training.ti.com/ti-precision-labs-adcs
 

Offline MasterT

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Re: FREE Analog Engineer's Circuit Cookbooks from Texas Instruments
« Reply #6 on: June 21, 2018, 09:01:22 pm »
Title says 1-ksps on p.10, and for this specific sampling rate error is very big:
C, pF   F, Hz   R, Ohm                R-lpf           Error, %
15          1000     10610329.5       200000   1.85008236122648

where C - capacitance S/H, and error is calculated as two resistors voltage divider. To get 1/2 LSB sampling rate has to be less than 5 sps.
 

Offline flash2b

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« Last Edit: June 21, 2018, 10:36:40 pm by flash2b »
 
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