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ADS7844E/2K5

ADS7844E/2K5

ADS7844E/2K5

Texas Instruments

12 Bit 0.635mm Gold ADC ADS7844 2.7V 20-SSOP (0.154, 3.90mm Width)

SOT-23

ADS7844E/2K5 Datasheet

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Specifications
Name Value
Type Parameter
Lifecycle Status ACTIVE (Last Updated: 3 days ago)
Factory Lead Time 12 Weeks
Contact Plating Gold
Mounting Type Surface Mount
Package / Case 20-SSOP (0.154, 3.90mm Width)
Surface Mount YES
Number of Pins 20
Operating Temperature -40°C~85°C
Packaging Tape & Reel (TR)
JESD-609 Code e4
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 2 (1 Year)
Number of Terminations 20
ECCN Code EAR99
Subcategory Analog to Digital Converters
Max Power Dissipation 4.5mW
Technology CMOS
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Supply Voltage 2.7V
Terminal Pitch 0.635mm
Base Part Number ADS7844
Pin Count 20
Operating Supply Voltage 5V
Number of Elements 1
Polarity Unipolar
Configuration MUX-S/H-ADC
Interface Serial
Max Supply Voltage 5.25V
Min Supply Voltage 2.7V
Nominal Supply Current 550μA
Power Dissipation 4.5mW
Number of Bits 12
Input Type Differential, Single Ended
Architecture SAR
Number of Inputs 4, 8
Converter Type ADC, SUCCESSIVE APPROXIMATION
Supply Type Single
Reference Type External
Data Interface SPI
Resolution 1.5 B
Sampling Rate 200 ksps
Voltage - Supply, Analog 2.7V~3.6V 5V
Voltage - Supply, Digital 2.7V~3.6V 5V
Number of Analog In Channels 8
Sampling Rate (Per Second) 200k
Output Bit Code BINARY
Linearity Error-Max (EL) 0.0488%
Integral Nonlinearity (INL) 2 LSB
Sample and Hold / Track and Hold SAMPLE
Conversion Rate 200 ksps
Ratio - S/H:ADC 1:1
Signal to Noise Ratio (SNR) 72 dB
Max Supply Voltage (DC) 5.25V
Differential Nonlinearity 0.8 LSB
Min Supply Voltage (DC) 2.7V
Spurious-free dynamic range (SFDR) 76 dB
Height 1.75mm
Length 8.65mm
Width 3.9mm
Thickness 1.5mm
Radiation Hardening No
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Pricing & Ordering
Quantity Unit Price Ext. Price
1 $9.47000 $9.47
500 $9.3753 $4687.65
1000 $9.2806 $9280.6
1500 $9.1859 $13778.85
2000 $9.0912 $18182.4
2500 $8.9965 $22491.25
ADS7844E/2K5 Product Details

ADS7844E/2K5 Overview


The analogue to digital converter is designed with 12 Bits.The AD converter is embedded in the 20-SSOP (0.154, 3.90mm Width) package.The ADC converter is packaged in the way of Tape & Reel (TR).The ADC converter is equipped with 1 Functions .There are 20 terminations in this electrical AD converter, which are the practice of ending a transmission line with a device that matches the characteristic impedance of the line.The analogue to digital converter is powered from a supply voltage of 2.7V.The A/D converter has 8 channels.The is equipped with 20 pin count.The peak reflow temperature (Cel) amounts to 260 to be essentially indestructible.There are ADC, SUCCESSIVE APPROXIMATION converters based on the source input voltage and the output voltage.This electronic AD converter is mounted in the way of Surface Mount.When operating, analogue to digital converter's operating temperature should be kept at -40°C~85°C.The number of samples of audio recorded every second is 200k Hz.The input type of this electronic AD converter is Differential, Single Ended.There are External reference types differentiated on the way by which they are garbage collected. This electronic digital converter is configured in such a way that MUX-S/H-ADC.The Sample/Track and Hold component of this electronic AD converter provides a way to sample a continuously varying analog signal and to hold or freeze its value for SAMPLE time.The architecture that analogue to digital converter's core adopts is SAR.There are 20 pins, which are pronged contacts as part of a signal interface in a computer or other communications device. The supply/analog voltage of this electrical ADC converter is 2.7V~3.6V 5V, which converts alternative voltage (AC voltage) to regulated direct voltage (DC voltage) and provide regulated DC power in order to drive a load.The number of pixels of this electrical AD converter is 1.5 B, which is on a display or in a camera sensor (specifically in a digital image).This analogue to digital converter is included in Analog to Digital Converters.It belongs to ADS7844 family.This electrical digital converter is lead free, which means made without lead, or has no lead added to it.Supply types can be categorized by Single.The supply/digital voltage of this electrical AD converter is 2.7V~3.6V 5V.The ADC converter operates with the maximal supply voltage of 5.25V.4, 8 inputs are employed.It operates with the minimal supply voltage of 2.7V.This electrical digital converter operates from a supply voltage of 5V.As an undesirable derivative of its primary action, The heat (energy loss or waste) that this electronic or electrical digital converter produces is 4.5mW. The maximal heat (energy loss or waste) that this electronic or electrical ADC converter produces is 4.5mW.The conversion rate of this electrical AD converter is calculated as 200 ksps.The ADC converter consists of 1 elements.The digital converter operates with the minimal supply voltage (DC) of 2.7V.The ADC converter operates with the maximal supply voltage (DC) of 5.25V.

ADS7844E/2K5 Features


1 Functions
20 basic kinds of terminations
20 pin count
Minimal supply voltage of 2.7V
1 elements
Maximal supply voltage (DC) of 5.25V


ADS7844E/2K5 Applications


There are a lot of Texas Instruments
ADS7844E/2K5 ADC applications.


  • Digital Multimeters, PLC's (Programming Logic Controllers)
  • RADAR processing, digital oscilloscopes
  • CMOS Image sensors for mobile applications
  • Medical Instrumentation and medical imaging
  • Music recording
  • Digital signal processing
  • Scientific instruments
  • Rotary encoder
  • Displaying
  • Transducer

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