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ADS7844N

Texas Instruments

-40℃~+85℃ 12 125kHz、200kHz 2.7V~5V 2LSB 2MHz、3.2MHz 3uA 72dB 8 External External Not supported SAR Serial port Yes SSOP-20-208mil Analog to Digital Converters (ADC) ROHS

Extended
DatasheetJLCPCBLCSCti/ADS7844N
Category
Analog To Digital Converters (ADC)
Package
SSOP-20-208mil
Pins
20

Overview

The ADS7844N is an analog To Digital Converter made by Texas Instruments in a SSOP-20-208mil package with 20 pins. -40℃~+85℃ 12 125kHz、200kHz 2.7V~5V 2LSB 2MHz、3.2MHz 3uA 72dB 8 External External Not supported SAR Serial port Yes SSOP-20-208mil Analog to Digital Converters (ADC) ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:ADS8344NB_1K, from EasyEDA) and its footprint (Package_SO:SSOP-20_5.3x7.2mm_P0.65mm, from KiCad's library), ready for a KiCad board. 18 are in stock at JLCPCB (part C52610).

Symbol

CH01CH12CH23CH34CH45CH56CH67CH78COM9SHDN#10VREF11+VCC12GND13GND14DOUT15BUSY16DIN17CS#18DCLK19+VCC20
EasyEDA_Cloud:ADS8344NB_1KFrom EasyEDA

Footprint

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Package_SO:SSOP-20_5.3x7.2mm_P0.65mmFrom KiCad's library

Parameters

17
ADC architecture
SAR
Clock Frequency
2MHz
Clock/Oscillator
External
DNL (LSB)
0.8LSB
Features
Multiplexers
Integral non - linearity
2LSB
Interface
Serial Port
Operating Temperature
-40℃~+85℃
Programmable Gain
Not supported
Quiescent Current (Iq)
3uA
Resolution (Bits)
12
Sampling Rate
125kHz
Signal-to-Noise Ratio
72dB
Voltage - Supply
2.7V~5V
Voltage Reference
External
differential input
Yes
number of channels
8

Order codes

1

Pinout

20
The pins of the ADS7844N
PinNameType
1CH0Unspecified
2CH1Unspecified
3CH2Unspecified
4CH3Unspecified
5CH4Unspecified
6CH5Unspecified
7CH6Unspecified
8CH7Unspecified
9COMUnspecified
10SHDN#Unspecified
11VREFUnspecified
12+VCCUnspecified
13GNDUnspecified
14GNDUnspecified
15DOUTUnspecified
16BUSYUnspecified
17DINUnspecified
18CS#Unspecified
19DCLKUnspecified
20+VCCUnspecified

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Questions

Is there a KiCad symbol and footprint for the ADS7844N?

Yes. The symbol is EasyEDA_Cloud:ADS8344NB_1K and the footprint Package_SO:SSOP-20_5.3x7.2mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the ADS7844N?

SSOP-20-208mil, with 20 pins. Its footprint is drawn on this page.

Where is the ADS7844N datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the ADS7844N?

JLCPCB lists it as part C52610, with 18 in stock; the sellers' links on this page open their listings.

What can replace the ADS7844N?

Parts like it in the library: the ADS7844EB/2K5 by Texas Instruments, the ADS7844NB/1K by Texas Instruments, the TLC7135CDW by Texas Instruments and the MCP3204-CI/ST by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8