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ADS7891IPFBT on a board, in 3D

ADS7891IPFBT

Texas Instruments

-40℃~+85℃ 1 1.5LSB 14 3MHz 4.75V~5.25V Input buffer、Power-on reset Parallel port TQFP-48(7x7) Analog to Digital Converters (ADC) ROHS

Extended
DatasheetJLCPCBLCSCti/ADS7891IPFBT
Category
Analog To Digital Converters (ADC)
Package
TQFP-48(7x7)
Pins
48

Overview

The ADS7891IPFBT is an analog To Digital Converter made by Texas Instruments in a TQFP-48(7x7) package with 48 pins. -40℃~+85℃ 1 1.5LSB 14 3MHz 4.75V~5.25V Input buffer、Power-on reset Parallel port TQFP-48(7x7) Analog to Digital Converters (ADC) ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:ADS7891IPFBT, from EasyEDA) and its footprint (Package_QFP:TQFP-48_7x7mm_P0.5mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C2670040).

Symbol

REFIN1REFOUT2NC3+VA4AGND5+IN6−IN7AGND8+VA9+VA10AGND11AGND12+VA13AGND14AGND15DB1316DB1217DB1118DB1019DB920DB821DB722DB623+VBD24BDGND25DB526DB427DB328DB229DB130DB031NC32NC33+VBD34BDGND35BUSY36A_PWD#37PWD#/RST#38BYTE39CONVST#40RD#41CS#42+VA43AGND44AGND45+VA46REFM47REFM48
EasyEDA_Cloud:ADS7891IPFBTFrom EasyEDA

Footprint

Package_QFP:TQFP-48_7x7mm_P0.5mmFrom KiCad's library

Parameters

14
ADC architecture
SAR
DNL (LSB)
0.75LSB
Features
Power-on reset;Input buffer
Integral non - linearity
1.5LSB
Interface
Parallel port
Operating Temperature
-40℃~+85℃
Quiescent Current (Iq)
2uA
Resolution (Bits)
14
Sampling Rate
3MHz
Signal-to-Noise Ratio
78.5dB
Voltage - Supply
4.75V~5.25V
Voltage Reference
Built-in
differential input
Yes
number of channels
1

Order codes

1

Pinout

48
The pins of the ADS7891IPFBT
PinNameType
1REFINUnspecified
2REFOUTUnspecified
3NCUnspecified
4+VAUnspecified
5AGNDUnspecified
6+INUnspecified
7−INUnspecified
8AGNDUnspecified
9+VAUnspecified
10+VAUnspecified
11AGNDUnspecified
12AGNDUnspecified
13+VAUnspecified
14AGNDUnspecified
15AGNDUnspecified
16DB13Unspecified
17DB12Unspecified
18DB11Unspecified
19DB10Unspecified
20DB9Unspecified
21DB8Unspecified
22DB7Unspecified
23DB6Unspecified
24+VBDUnspecified
25BDGNDUnspecified
26DB5Unspecified
27DB4Unspecified
28DB3Unspecified
29DB2Unspecified
30DB1Unspecified
31DB0Unspecified
32NCUnspecified
33NCUnspecified
34+VBDUnspecified
35BDGNDUnspecified
36BUSYUnspecified
37A_PWD#Unspecified
38PWD#/RST#Unspecified
39BYTEUnspecified
40CONVST#Unspecified
41RD#Unspecified
42CS#Unspecified
43+VAUnspecified
44AGNDUnspecified
45AGNDUnspecified
46+VAUnspecified
47REFMUnspecified
48REFMUnspecified

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Questions

Is there a KiCad symbol and footprint for the ADS7891IPFBT?

Yes. The symbol is EasyEDA_Cloud:ADS7891IPFBT and the footprint Package_QFP:TQFP-48_7x7mm_P0.5mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the ADS7891IPFBT?

TQFP-48(7x7), with 48 pins. Its footprint is drawn on this page.

Where is the ADS7891IPFBT datasheet?

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

Where can I order the ADS7891IPFBT?

JLCPCB lists it as part C2670040, with 0 in stock; the sellers' links on this page open their listings.

What can replace the ADS7891IPFBT?

Parts like it in the library: the AD7671ASTZ by Analog Devices, the ADS7882IPFBR by Texas Instruments, the AD7610BSTZ by Analog Devices and the AD7622BSTZRL by Analog Devices. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8