Part Image

ADS7844NB/1K - Texas Instruments

Description: 12-Bit, 8-Channel Serial Output Sampling Analog-To-Digital Converter

Download ADS7844NB/1K Model
Schematic
symbols
Schematic symbol is unavailable for download
PCB
footprints
PCB footprint is unavailable for download
3D
models
3D model is unavailable for download
PCB Footprints
ADS7844NB/1K - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DB0020A
click to zoom
3D Models
ADS7844NB/1K - Texas Instruments  - 3D model - Small Outline Packages - DB0020A
click to zoom

ADS7844NB/1K Details

  • Manufacturer Part Number:

    ADS7844NB/1K

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SSOP

  • Package Description:

    SSOP-20

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.30

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog Input Voltage-Max:

    5.25 V

  • Conversion Time-Max:

    0.75 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    7.2 mm

  • Linearity Error-Max (EL):

    0.0244%

  • Moisture Sensitivity Level:

    2

  • Number of Analog In Channels:

    8

  • Number of Bits:

    12

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.2 MHz

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Seated Height-Max:

    2 mm

  • Supply Voltage-Min:

    1.9 V

  • Supply Voltage-Nom:

    2.7 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    5.3 mm

ADS7844NB/1K Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VCC first, followed by VREF, and then the analog input signal. This ensures proper operation and prevents damage to the device.
  • To optimize the layout, keep the analog and digital grounds separate, use a solid ground plane, and minimize the distance between the ADS7844NB/1K and the analog input signal source. Also, use a low-impedance source for the analog input signal.
  • The maximum sampling rate of the ADS7844NB/1K is 200 kHz. However, the actual sampling rate may be limited by the system's clock frequency and the conversion time of the ADC.
  • The ADS7844NB/1K outputs 12-bit data in a serial format. The output data is in two's complement format, with the most significant bit (MSB) first. The data is clocked out on the SDO pin during the falling edge of the SCLK signal.
  • The CAL pin is used to initiate the calibration sequence of the ADS7844NB/1K. During calibration, the device adjusts its internal offset and gain to ensure accurate conversions. The CAL pin should be tied to a digital output or a switch that can be controlled by the system's microcontroller.

Trust Checks

This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored

ADS7844NB/1K Overview

Use the download button to access the ADS7844NB/1K schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like ADS78, or try a keyword search, such as Analog to Digital Converters

About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

Parts related to ADS7844NB/1K

Showing 0 results

ADS7844NB/1K Alternates

Showing results

Image Part Number Model
Part Image ADS7844NBG4 Texas Instruments

ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Serial Access, CMOS, PDSO20

Part Image ADS7844NB/1K Burr-Brown Corp

ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Serial Access, CMOS, PDSO20

Part Image ADS7844NB/1KG4 Texas Instruments

ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Serial Access, CMOS, PDSO20