AFE4400RHAT

Texas Instruments

0.75V 0℃~+70℃ 20000Hz 22 2V~3.6V 4MHz、8MHz 5000Hz 95dB SPI VQFN-40-EP(6x6) Analog Front End (AFE) ROHS

Extended

Datasheetti/AFE4400RHAT

Category: Analog Front End (AFE)
Package: VQFN-40-EP(6x6)
Pins: 41

Overview

The AFE4400RHAT is an analog Front End made by Texas Instruments in a VQFN-40-EP(6x6) package with 41 pins. 0.75V 0℃~+70℃ 20000Hz 22 2V~3.6V 4MHz、8MHz 5000Hz 95dB SPI VQFN-40-EP(6x6) Analog Front End (AFE) ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:AFE4400RHAT, from EasyEDA) and its footprint (EasyEDA_Cloud:VQFN-40_L6.0-W6.0-P0.50-TL-EP4.2, from EasyEDA), ready for a KiCad board. 6 are in stock at JLCPCB (part C2651560). 1 open-source board in 1 repository on GitHub use it.

Symbol

EasyEDA_Cloud:AFE4400RHATFrom EasyEDA

Footprint

EasyEDA_Cloud:VQFN-40_L6.0-W6.0-P0.50-TL-EP4.2From EasyEDA

Parameters

Clock Frequency: 8MHz
Data rate: 5000Hz
Features: Fault detection
Interface: SPI
Number of channels: 1
Operating Temperature: 0℃~+70℃
Resolution(Bits): 22
S/N Ratio: 95dB
Sampling Rate: 20000Hz
Voltage - Supply: 2V~3.6V
Voltage Reference Value: 0.75V

Order codes

AFE4400RHATLCSC C2651560

Pinout

The pins of the AFE4400RHAT
Pin	Name	Type
1	INN	Unspecified
2	INP	Unspecified
3	RX_ANA_GND	Unspecified
4	VCM	Unspecified
5	DNC	Unspecified
6	DNC	Unspecified
7	BG	Unspecified
8	VSS	Unspecified
9	TX_REF	Unspecified
10	DNC	Unspecified
11	TX_CTRL_SUP	Unspecified
12	LED_DRV_GND	Unspecified
13	LED_DRV_GND	Unspecified
14	TXN	Unspecified
15	TXP	Unspecified
16	LED_DRV_GND	Unspecified
17	LED_DRV_SUP	Unspecified
18	LED_DRV_SUP	Unspecified
19	RX_DIG_GND	Unspecified
20	AFE_PDN#	Unspecified
21	DIAG_END	Unspecified
22	LED_ALM	Unspecified
23	PD_ALM	Unspecified
24	SCLK	Unspecified
25	SPISOMI	Unspecified
26	SPISIMO	Unspecified
27	SPISTE	Unspecified
28	ADC_RDY	Unspecified
29	RESET#	Unspecified
30	CLKOUT	Unspecified
31	RX_DIG_SUP	Unspecified
32	RX_DIG_GND	Unspecified
33	RX_ANA_SUP	Unspecified
34	DNC	Unspecified
35	DNC	Unspecified
36	RX_ANA_GND	Unspecified
37	XOUT	Unspecified
38	XIN	Unspecified
39	RX_ANA_SUP	Unspecified
40	RX_ANA_GND	Unspecified
41	EP	Unspecified

Open-source boards using it

All 1

6 layers120 × 70 mm
Healthypi 6 v5
Protocentral/protocentral_healthypi6_hardware
Open hardware design files for HealthyPi 6 — STM32H757 vital-signs monitor with the HealthyLink modular expansion bus
247 parts2CERN-OHL-P-2.0

Show this part on your page

A live frame, for any web page

<iframe src="https://pcbkit.io/embed/parts/ti/AFE4400RHAT" title="AFE4400RHAT in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>

A picture

<img src="https://pcbkit.io/embed/parts/ti/AFE4400RHAT.jpg" alt="AFE4400RHAT" width="1200" height="900">

A picture that opens the part, for a README

[![AFE4400RHAT](https://pcbkit.io/embed/parts/ti/AFE4400RHAT.jpg?size=s)](https://pcbkit.io/parts/ti/AFE4400RHAT)

Questions

Is there a KiCad symbol and footprint for the AFE4400RHAT?

Yes. The symbol is EasyEDA_Cloud:AFE4400RHAT and the footprint EasyEDA_Cloud:VQFN-40_L6.0-W6.0-P0.50-TL-EP4.2, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the AFE4400RHAT?

VQFN-40-EP(6x6), with 41 pins. Its footprint is drawn on this page.

Where is the AFE4400RHAT datasheet?

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

Where can I order the AFE4400RHAT?

JLCPCB lists it as part C2651560, with 6 in stock; the sellers' links on this page open their listings.

What can replace the AFE4400RHAT?

Parts like it in the library: the AFE4490RHAT by Texas Instruments, the AFE4403YZP by Texas Instruments, the AD4110-1BCPZ-RL by Analog Devices and the AD4110-1BCPZ-RL7 by Analog Devices. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the AFE4400RHAT?

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