
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
Footprint
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- ADS7891IPFBTLCSC C2670040
Pinout
48| Pin | Name | Type |
|---|---|---|
| 1 | REFIN | Unspecified |
| 2 | REFOUT | Unspecified |
| 3 | NC | Unspecified |
| 4 | +VA | Unspecified |
| 5 | AGND | Unspecified |
| 6 | +IN | Unspecified |
| 7 | −IN | Unspecified |
| 8 | AGND | Unspecified |
| 9 | +VA | Unspecified |
| 10 | +VA | Unspecified |
| 11 | AGND | Unspecified |
| 12 | AGND | Unspecified |
| 13 | +VA | Unspecified |
| 14 | AGND | Unspecified |
| 15 | AGND | Unspecified |
| 16 | DB13 | Unspecified |
| 17 | DB12 | Unspecified |
| 18 | DB11 | Unspecified |
| 19 | DB10 | Unspecified |
| 20 | DB9 | Unspecified |
| 21 | DB8 | Unspecified |
| 22 | DB7 | Unspecified |
| 23 | DB6 | Unspecified |
| 24 | +VBD | Unspecified |
| 25 | BDGND | Unspecified |
| 26 | DB5 | Unspecified |
| 27 | DB4 | Unspecified |
| 28 | DB3 | Unspecified |
| 29 | DB2 | Unspecified |
| 30 | DB1 | Unspecified |
| 31 | DB0 | Unspecified |
| 32 | NC | Unspecified |
| 33 | NC | Unspecified |
| 34 | +VBD | Unspecified |
| 35 | BDGND | Unspecified |
| 36 | BUSY | Unspecified |
| 37 | A_PWD# | Unspecified |
| 38 | PWD#/RST# | Unspecified |
| 39 | BYTE | Unspecified |
| 40 | CONVST# | Unspecified |
| 41 | RD# | Unspecified |
| 42 | CS# | Unspecified |
| 43 | +VA | Unspecified |
| 44 | AGND | Unspecified |
| 45 | AGND | Unspecified |
| 46 | +VA | Unspecified |
| 47 | REFM | Unspecified |
| 48 | REFM | Unspecified |
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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.
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