4 layers33 × 34.7 mm
EIS PCB
akshayshivkumar/EIS-PCB
PCB for Electrochemical Impedance Spectroscopy with the AD5941
54 parts1
AD5941BCPZ
Analog DevicesExtended
-40℃~+85℃ 1 16 16MHz、32MHz 1uA 2.5V 2.8V~3.6V 80dB Programmable gain、Multiplexers、Input buffering、Internal reference source、Power-on reset SPI LFCSP-48 Analog Front End (AFE) ROHS
- Part id
- adi/AD5941BCPZ
- Category
- Analog Front End (AFE)
- Package
- LFCSP-48
- Pins
- 49
- In stock
- 10 at JLCPCB (C503573)
- Used on
- 3 open-source boards
Overview
The AD5941BCPZ is an analog Front End made by Analog Devices in a LFCSP-48 package with 49 pins. -40℃~+85℃ 1 16 16MHz、32MHz 1uA 2.5V 2.8V~3.6V 80dB Programmable gain、Multiplexers、Input buffering、Internal reference source、Power-on reset SPI LFCSP-48 Analog Front End (AFE) ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:AD5941BCPZ, from EasyEDA) and its footprint (EasyEDA_Cloud:LFCSP-48_L7.0-W7.0-P0.50-BL-EP5.1, from EasyEDA), ready for a KiCad board. 10 are in stock at JLCPCB (part C503573). 3 open-source boards in 3 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
18- Supply, least
- 2.8 V · AVDD, recommended operating, min · p. 15
- Supply, most
- 3.6 V · AVDD, recommended operating, max · p. 15
- Supply, least
- 2.8 V · DVDD, recommended operating, min · p. 15
- Supply, most
- 3.6 V · DVDD, recommended operating, max · p. 15
- Supply, least
- 2.8 V · IOVDD, recommended operating, 3.3 V operation, min · p. 15
- Supply, most
- 3.6 V · IOVDD, recommended operating, 3.3 V operation, max · p. 15
- Supply, least
- 1.62 V · IOVDD, recommended operating, 1.8 V operation, min · p. 15
- Supply, most
- 1.98 V · IOVDD, recommended operating, 1.8 V operation, max · p. 15
- Supply, absolute maximum
- 3.9 V · AVDD to AGND, absolute maximum · p. 18
- Supply, absolute maximum
- 3.9 V · DVDD to DGND, absolute maximum · p. 18
- Supply, absolute maximum
- 3.9 V · IOVDD to DGND, absolute maximum · p. 18
- Works from
- -40 °C · operating ambient, AD5941, min · p. 18
- Works up to
- 85 °C · operating ambient, AD5941, max · p. 18
- Junction, hottest
- 150 °C · junction temperature, absolute maximum · p. 18
- Takes working
- 9.1 mA · impedance spectroscopy, ac impedance engine, ADC and sequencer active, typical · p. 15
- Takes asleep
- 1.82 µA · AVDD, lowest power mode, only wake-up timer active, typical · p. 15
- Junction to air (CP-48-4)
- 32.03 K/W · junction to ambient, JEDEC 2S2P board, simulated · p. 18
- Junction to case (CP-48-4)
- 2.85 K/W · junction to case, JEDEC 2S2P board, simulated · p. 18
Open-source boards using it
3- 4 layers41.8 × 49.6 mm
- 4 layers85 × 50 mm
OpenHap
kenyattaejones32-boop/AQM
Open-source hardware design for OpenHAP, an ESP32-based air quality monitor with CO sensing, thermistor temperature input, USB-C charging, and cellular data upload.
269 parts
Parts like it
3
AD5940BCBZ-RL7
WLCSP-56(3.6x4.2)-40℃~+85℃ 1.82V 16MHz、32MHz 2.8V~3.6V 400kHz 6.5uA 800kHz 80dB Programmable gain、Multiplexers、Input buffering、Internal reference source、Power-on reset、Built-in temperature sensor SPI WLCSP-56(3.6x4.2) Analog Front End (AFE) ROHSAnalog DevicesAnalog Front End (AFE)
ADBT1002BSWZ
LQFP-100-EP(14x14)-3LSB~+3LSB 0℃~+85℃ 10ppm/℃ 11ppm/℃ 14 16MHz 1MHz 1MHz 2.5V 3.3V~3.6V 70dB SPI LQFP-100-EP(14x14) Analog Front End (AFE) ROHSAnalog DevicesAnalog Front End (AFE)
PGA450TPWRQ1
TSSOP-28-40℃~+105℃ 1 12 16MHz 19200Hz 3V 7.5mA 7V~18V Programmable gain、Power-on reset、Fault detection、Built-in temperature sensor SPI TSSOP-28 Analog Front End (AFE) ROHSTexas InstrumentsAnalog Front End (AFE)
Questions
Is there a KiCad symbol and footprint for the AD5941BCPZ?
Yes. The symbol is EasyEDA_Cloud:AD5941BCPZ and the footprint EasyEDA_Cloud:LFCSP-48_L7.0-W7.0-P0.50-BL-EP5.1, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the AD5941BCPZ?
LFCSP-48, with 49 pins. Its footprint is drawn on this page.
Where is the AD5941BCPZ datasheet?
Analog Devices publishes it: the Datasheet link on this page opens it.
Where can I order the AD5941BCPZ?
JLCPCB lists it as part C503573, with 10 in stock; the sellers' links on this page open their listings.
What can replace the AD5941BCPZ?
Parts like it in the library: the AD5940BCBZ-RL7 by Analog Devices, the ADBT1002BSWZ by Analog Devices and the PGA450TPWRQ1 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the AD5941BCPZ?
3 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.