ECG AFE Selection

Nivethitha D

Other Parts Discussed in Thread: AFE4960, ADS1291, ADS1294R

Hi,

We are looking for ECG Analog front end which can be used as Single channel(As a ECG Patch) as well as Multi-Channel(As a Holter monitor).

Please suggest the best suitable AFE for our application.

Thanks in advance!!!

AFE4960	Texas Instruments	$8.69	137,353	1-lead ECG,3-lead ECG,5-lead ECG,ECG patch,EEG,Patient monitoring	I2C,SPI	22	DSBGA
ADS1294R	Texas Instruments	$15.99	17,000	3-lead ECG,5-lead ECG,6-lead ECG,Patient monitoring,Respiration	SPI	24	NFBGA
ADS1296R	Texas Instruments	$21.55	26,988	5-lead ECG,6-lead ECG,Patient monitoring,Respiration	SPI	24	NFBGA
ADS1298R	Texas Instruments	$27.67	3,901	12-lead ECG,18-lead ECG,EMG,Patient monitoring,Respiration	SPI	24	NFBGA
ADS1194	Texas Instruments	$9.09	11,844	3-lead ECG,5-lead ECG,6-lead ECG,Patient monitoring	SPI	16	TQFP
ADS1196	Texas Instruments	$11.64	8,834	5-lead ECG,6-lead ECG,Patient monitoring	SPI	16	TQFP
ADS1294	Texas Instruments	$15.23	21,890	3-lead ECG,5-lead ECG,6-lead ECG,Patient monitoring	SPI	24	TQFP
ADS1296	Texas Instruments	$20.52	8,279	5-lead ECG,6-lead ECG,Patient monitoring	SPI	24	TQFP
ADS1198	Texas Instruments	$12.92	13,399	12-lead ECG,18-lead ECG,Patient monitoring	SPI	16	TQFP
ADS1298	Texas Instruments	$26.36	13,801	12-lead ECG,18-lead ECG,Patient monitoring	SPI	24	TQFP

Among these AFE4960 can be used for patch as well as holter monitor.

But what about other AFE's Can we use it for patch (LL and RA without RL - only two electrodes connected)?

over 1 year ago

0 ChienChun Yang over 1 year ago

TI__Mastermind 19815 points

Hi,

The app engineer was out for business travel, shall get back to you around 7/28.

+1 ChienChun Yang over 1 year ago in reply to ChienChun Yang

TI__Mastermind 19815 points

How many electrodes are you planning to place on subject in addition to the RLD?

2 electrodes + 1 RLD => 1291 or AFE4960

no more than 4 electrodes + 1 RLD => 1292 or AFE4960

no more than 6 electrodes + 1 RLD => 1293

no more than 8 electrodes + 1 RLD => 1294

no more than 12 electrodes + 1 RLD => 1296

no more than 16 electrodes + 1 RLD => 1298

Only 2 electrodes + 1 RLD => ADS1291 or AFE4960

Thanks

0 Nivethitha D over 1 year ago in reply to ChienChun Yang

Intellectual 320 points

Hi Chienchun,

Can we use ADS1294R for 1-lead, 3-lead, 5-lead and 6-lead configurations?

1-lead -> LL - RA +(RL electrode)

3-lead ->LL,RA,LA +(RL electrode)

5-lead ->LL,RA,LA,V1+(RL electrode)

6-lead -> LL,RA,LA,V1,V5+(RL electrode).

Please give your comments.

0 ChienChun Yang over 1 year ago in reply to Nivethitha D

TI__Mastermind 19815 points

Hi,

Will you use respiration function? The reason to ask is that once the respiration function is used/enabled, Channel 1 is to be used for respiration, and cannot be used for ECG signal acquisition.

The following is answer based on the assumption if you don't use respiration function -

ADS1294R can do -

LL - RA +(RL electrode)

LL,RA,LA +(RL electrode)

LL, RA, LA, V(1 or x) + (RL electrode) if it's acceptable to do software calculation.

LL, RA, LA, V1, V5 + (RL electrode) if it's acceptable to do software calculation.

Thanks

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ECG AFE Selection