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AD7771BCPZ, in 3D

AD7771BCPZ

Analog Devices

-40℃~+125℃ 107dB 10ppm/℃ 128kHz 128kHz 24 312.5mV、625mV、1.25V、2.5V 3V~3.6V 8 8.192MHz Built-in SPI Sigma-Delta Support Yes LFCSP-64(9x9) Analog to Digital Converters (ADC) ROHS

Extended
DatasheetJLCPCBLCSCadi/AD7771BCPZ
Category
Analog To Digital Converters (ADCs)
Package
LFCSP-64(9x9)
Pins
65

Overview

The AD7771BCPZ is an analog To Digital Converter made by Analog Devices in a LFCSP-64(9x9) package with 65 pins. -40℃~+125℃ 107dB 10ppm/℃ 128kHz 128kHz 24 312.5mV、625mV、1.25V、2.5V 3V~3.6V 8 8.192MHz Built-in SPI Sigma-Delta Support Yes LFCSP-64(9x9) Analog to Digital Converters (ADC) ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:AD7771BCPZ, from EasyEDA) and its footprint (EasyEDA_Cloud:LFCSP-64_L9.0-W9.0-P0.50-BL-EP7.6, from EasyEDA), ready for a KiCad board. 29 are in stock at JLCPCB (part C578517). 1 open-source board in 1 repository on GitHub use it.

Symbol

AIN0-1AIN0+2AIN1-3AIN1+4AVSS1A5AVDD1A6REF1-7REF1+8AIN2-9AIN2+10AIN3-11AIN3+12MODE0/GPIO013MODE1/GPIO114MODE2/GPIO215MODE3/ALERT16CONVST_SAR17ALERT/CS#18DCLK2/SCLK19DCLK1/SDI20DCLK0/SDO21DGND22DREGCAP23IOVDD24DOUT325DOUT226DOUT127DOUT028DCLK29DRDY#30XTAL131XTAL2/MCLK32START#33SYNC_OUT#34SYNC_IN#35RESET#36AIN7+37AIN7-38AIN6+39AIN6-40REF2+41REF2-42AVDD1B43AVSS1B44AIN5+45AIN5-46AIN4+47AIN4-48REF_OUT49AVSS2B50AREG2CAP51AVDD2B52AVSS353FORMAT154FORMAT055CLK_SEL56VCM57AVDD2A58AREG1CAP59AVSS2A60AVSS461AVDD462AUXAIN+63AUXAIN-64EP65
EasyEDA_Cloud:AD7771BCPZFrom EasyEDA

Footprint

65
EasyEDA_Cloud:LFCSP-64_L9.0-W9.0-P0.50-BL-EP7.6From EasyEDA

Parameters

14
ADC architecture
Sigma-Delta
Clock Frequency
8.192MHz
Clock/Oscillator
External
Features
Integrated modulator
Interface
SPI
Operating Temperature
-40℃~+125℃
Programmable Gain
Support
Resolution (Bits)
24
Sampling Rate
128kHz
Signal-to-Noise Ratio
107dB
Voltage - Supply
3V~3.6V
Voltage Reference
Built-in
differential input
Yes
number of channels
8

Order codes

1

Pinout

65
The pins of the AD7771BCPZ
PinNameType
1AIN0-Unspecified
2AIN0+Unspecified
3AIN1-Unspecified
4AIN1+Unspecified
5AVSS1AUnspecified
6AVDD1AUnspecified
7REF1-Unspecified
8REF1+Unspecified
9AIN2-Unspecified
10AIN2+Unspecified
11AIN3-Unspecified
12AIN3+Unspecified
13MODE0/GPIO0Unspecified
14MODE1/GPIO1Unspecified
15MODE2/GPIO2Unspecified
16MODE3/ALERTUnspecified
17CONVST_SARUnspecified
18ALERT/CS#Unspecified
19DCLK2/SCLKUnspecified
20DCLK1/SDIUnspecified
21DCLK0/SDOUnspecified
22DGNDUnspecified
23DREGCAPUnspecified
24IOVDDUnspecified
25DOUT3Unspecified
26DOUT2Unspecified
27DOUT1Unspecified
28DOUT0Unspecified
29DCLKUnspecified
30DRDY#Unspecified
31XTAL1Unspecified
32XTAL2/MCLKUnspecified
33START#Unspecified
34SYNC_OUT#Unspecified
35SYNC_IN#Unspecified
36RESET#Unspecified
37AIN7+Unspecified
38AIN7-Unspecified
39AIN6+Unspecified
40AIN6-Unspecified
41REF2+Unspecified
42REF2-Unspecified
43AVDD1BUnspecified
44AVSS1BUnspecified
45AIN5+Unspecified
46AIN5-Unspecified
47AIN4+Unspecified
48AIN4-Unspecified
49REF_OUTUnspecified
50AVSS2BUnspecified
51AREG2CAPUnspecified
52AVDD2BUnspecified
53AVSS3Unspecified
54FORMAT1Unspecified
55FORMAT0Unspecified
56CLK_SELUnspecified
57VCMUnspecified
58AVDD2AUnspecified
59AREG1CAPUnspecified
60AVSS2AUnspecified
61AVSS4Unspecified
62AVDD4Unspecified
63AUXAIN+Unspecified
64AUXAIN-Unspecified
65EPUnspecified

Open-source boards using it

All 1
  • 2 layers60 × 80 mmEEG, the printed circuit board in 3D

    EEG

    Raigetix/EEG_EMT_32

    122 parts

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Questions

Is there a KiCad symbol and footprint for the AD7771BCPZ?

Yes. The symbol is EasyEDA_Cloud:AD7771BCPZ and the footprint EasyEDA_Cloud:LFCSP-64_L9.0-W9.0-P0.50-BL-EP7.6, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the AD7771BCPZ?

LFCSP-64(9x9), with 65 pins. Its footprint is drawn on this page.

Where is the AD7771BCPZ datasheet?

Analog Devices publishes it: the Datasheet link on this page opens it.

Where can I order the AD7771BCPZ?

JLCPCB lists it as part C578517, with 29 in stock; the sellers' links on this page open their listings.

What can replace the AD7771BCPZ?

Parts like it in the library: the AD7779ACPZ by Analog Devices and the ADAS1000BSTZ by Analog Devices. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the AD7771BCPZ?

1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

2