MAX32663AGTGFS [MAXIM]
Ultra-Low Power ECG Biometric Sensor Hub;
| 型号： | MAX32663AGTGFS |
| 厂家： | 
MAXIM INTEGRATED PRODUCTS |
| 描述： | Ultra-Low Power ECG Biometric Sensor Hub |
| 文件： | 总16页 (文件大小：165K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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MAX32663A
Ultra-Low Power ECG
Biometric Sensor Hub
General Description
Benefits and Features
The MAX32663A is a low-power sensor hub with embed-
ded firmware and HeartKey ECG algorithms from B-Se-
cur for wearable and medical devices. It enables seam-
less communication with Maxim’s low-power ECG sensors
(e.g., the MAX30003), providing a complete solution that
delivers health information and insights to an application.
● Three Different Versions
®
• Version FS (Full HeartKey Suite)
• Heart Rate, Heart Rate Variability, Stress Level
Index, Energy Expenditure and User
Identification
• Version W (Health and Wellness)
• Heart Rate, Heart Rate Variability, Stress Level
Index and Energy Expenditure
• Version UI (User Identification)
• User Identification
Time to market is faster with this proven ECG solution that
offers low power consumption, accurate and robust health
data, and a tiny form factor, all while removing the licens-
ing burden from the application.
● Biometric Sensor Hub Enables Faster Time to Market
● Removes Software Licensing Burden
● One Slave I C for Communication with a Host
Applications
● Wearable Fitness
● Hearables
● Wearable Medical
● Portable Medical
● Mobile Devices
2
Microcontroller
2
● One Master I C for Communication with Sensors
● Manages the Ultra-Low Power-Hardware for
Increased Efficiency
● First-In First-Out (FIFO) Provides Minimal Host
Interaction
● Easily Integrate with Maxim’s Low-Power ECG AFEs
(e.g., MAX30003)
● Tiny Form Factors for Footprint-Constrained Designs
• 3mm x 3mm TQFN
• 1.6mm x 1.6mm WLP
Ordering Information appears at end of data sheet.
19-100975; Rev 0; 11/20
MAX32663A
Ultra-Low Power ECG
Biometric Sensor Hub
Simplified Block Diagram
MAX32663A
POR,
BROWNOUT
SENSOR_CS
SENSOR_MOSI
TO MAX30003
SENSOR_MISO
RSTN
MONITOR,
SUPPLY VOLTAGE
MONITORS
SPI PORT
SENSOR_SCK
V
CORE
B-SECUR
ECG ALGORITHMS
SLAVE_SCL
TO HOST
SLAVE_SDA
2
SLAVE I C PORT
REGULATOR/
POWER CONTROL
V
DD
V
SS
INT2B
TO MAX30003
32KIN
INTERRUPTS
INTB
RTC
TO HOST
32KOUT
INT
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Maxim Integrated | 2
MAX32663A
Ultra-Low Power ECG
Biometric Sensor Hub
TABLE OF CONTENTS
General Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Benefits and Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Simplified Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Absolute Maximum Ratings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Package Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
24 TQFN-EP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2
Electrical Characteristics—I C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Electrical Characteristics—SPI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Pin Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Detailed Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Three Different Versions of the MAX32663A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Heart Rate (HR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Heart Rate Variability (HRV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Physiological Stress . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Energy Expenditure (EE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
HeartKey User ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Interface to Host. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Interface to the Sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Device Selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Applications Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Typical Application Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
MAX32663A and MAX30003 ECG Patch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
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Maxim Integrated | 3
MAX32663A
Ultra-Low Power ECG
Biometric Sensor Hub
LIST OF FIGURES
2
Figure 1. I C Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 2. SPI Master Mode Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
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Maxim Integrated | 4
MAX32663A
Ultra-Low Power ECG
Biometric Sensor Hub
LIST OF TABLES
Table 1. Evaluation Platforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
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Maxim Integrated | 5
MAX32663A
Ultra-Low Power ECG
Biometric Sensor Hub
Absolute Maximum Ratings
V
...................................................................... -0.3V to +3.63V
Output Current (source) by Any Digital Pin........................ -25mA
Continuous Package Power Dissipation 24 TQFN-EP (multilayer
DD
32KIN, 32KOUT ........................................... -0.3V to V
All Digital Pins .............................................. -0.3V to V
+ 0.3V
+ 0.3V
DD
DD
board) T = +70°C (derate 16.3mW/°C above +70°C)...1305mW
A
Total Current into All Digital Pins Combined (sink) ...........100mA
Operating Temperature Range...........................-40°C to +105°C
Storage Temperature Range ..............................-65°C to +150°C
Soldering Temperature (reflow) ........................................+260°C
V
SS
.................................................................................... 100mA
Output Current (sink) by Any Digital Pin.............................. 25mA
Note: All voltages with respect to V , unless otherwise noted.
SS
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the
device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect device reliability.
Package Information
24 TQFN-EP
Package Code
T2433+2C
21-100264
90-100089
Outline Number
Land Pattern Number
Thermal Resistance, Four-Layer Board:
Junction to Ambient (θ
)
61.3°C/W
2.2°C/W
JA
Junction to Case (θ
)
JC
For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a “+”, “#”, or “-” in the package code indicates
RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status.
Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal
considerations, refer to www.maximintegrated.com/thermal-tutorial.
Electrical Characteristics
(Limits are 100% tested at T = +25°C and T = +105°C. Limits over the operating temperature range and relevant supply voltage
A
A
range are guaranteed by design and characterization. Specifications marked GBD are guaranteed by design and not production tested.
Specifications to the minimum operating temperature are guaranteed by design and are not production tested.)
PARAMETER
POWER SUPPLIES
Supply Voltage
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
V
DD
1.71
1.63
1.8
3.63
1.71
V
V
Power-Fail Reset
Voltage
V
RST
Monitors V
Monitors V
DD
DD
Power-On Reset
Voltage
V
POR
1.4
V
V
V
DIGITAL I/O
Input Low Voltage for
RSTN, SLAVE_SCL,
SLAVE_SDA,
SENSOR_MISO, INTB,
INT2B
0.3 ×
V
IL
V
DD
Input High Voltage for
RSTN, SLAVE_SCL,
SLAVE_SDA,
SENSOR_MISO, INTB,
INT2B
0.7 ×
V
IH
V
DD
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MAX32663A
Ultra-Low Power ECG
Biometric Sensor Hub
Electrical Characteristics (continued)
(Limits are 100% tested at T = +25°C and T = +105°C. Limits over the operating temperature range and relevant supply voltage
A
A
range are guaranteed by design and characterization. Specifications marked GBD are guaranteed by design and not production tested.
Specifications to the minimum operating temperature are guaranteed by design and are not production tested.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Output Low Voltage for
SENSOR_MOSI,
V
OL
V
DD
= 1.71V, I = 1mA
0.2
0.4
V
OL
SENSOR_SCK, INT
Output High Voltage for
SENSOR_MOSI,
SENSOR_SCK, INT
V
-
DD
0.4
V
V
V
= 1.71V, I
= 1mA
V
OH
DD
OH
Output Low Voltage for
SLAVE_SDA
V
= 1.71V, I = 2mA
0.2
300
4
0.4
V
OL
DD
OL
Input Hysteresis
(Schmitt)
V
IHYS
mV
pF
nA
nA
kΩ
Input/Output Pin
Capacitance for All Pins
C
IO
Input Leakage Current
Low
I
V
V
= 0V
-500
-500
+500
+500
IL
IN
Input Leakage Current
High
I
= 3.6V
IH
IN
Input Pullup Resistor to
RSTN
R
Pullup to V
= 3.63V
DD
10.5
PU_VDD
CLOCKS
System Clock
Frequency
f
t
96
MHz
kHz
SYS_CLK
32.768kHz watch crystal, C = 6pF, ESR
< 90kΩ, C < 2pF
0
L
RTC Input Frequency
f
32.768
32KIN
RTC Operating Current
RTC Power-Up Time
I
All power modes, RTC enabled
0.45
250
μA
ms
RTC
RTC_ ON
2
Electrical Characteristics—I C
(Limits are 100% tested at T = +25°C and T = +105°C. Limits over the operating temperature range and relevant supply voltage
A
A
range are guaranteed by design and characterization. Specifications marked GBD are guaranteed by design and not production tested.
Specifications to the minimum operating temperature are guaranteed by design and are not production tested.)
PARAMETER
FAST MODE
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Output Fall Time
t
From V
to V
OL(MAX)
150
75
ns
ns
OF
OH(MIN)
Pulse Width Suppressed
by Input Filter
t
SP
SCL Clock Frequency
Low Period SCL Clock
High Time SCL Clock
f
0
400
kHz
μs
SCL
t
1.3
0.6
LOW
t
μs
HIGH
Setup Time for
Repeated Start
Condition
t
0.6
μs
SU;STA
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MAX32663A
Ultra-Low Power ECG
Biometric Sensor Hub
2
Electrical Characteristics—I C (continued)
(Limits are 100% tested at T = +25°C and T = +105°C. Limits over the operating temperature range and relevant supply voltage
A
A
range are guaranteed by design and characterization. Specifications marked GBD are guaranteed by design and not production tested.
Specifications to the minimum operating temperature are guaranteed by design and are not production tested.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Hold Time for Repeated
Start Condition
t
t
0.6
μs
HD;STA
Data Setup Time
Data Hold Time
125
10
ns
ns
SU;DAT
HD;DAT
t
Rise Time for SDA and
SCL
t
30
30
ns
ns
μs
R
Fall Time for SDA and
SCL
t
F
Setup Time for a Stop
Condition
t
t
0.6
1.3
SU;STO
Bus Free Time Between
a Stop and Start
Condition
t
μs
BUS
Data Valid Time
0.9
0.9
μs
μs
VD;DAT
VD;ACK
Data Valid Acknowledge
Time
t
Electrical Characteristics—SPI
(TIming specifications are guaranteed by design and not production tested.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MASTER MODE
SPI Master Operating
Frequency
f
t
48
MHz
ns
MCK
MCK
SPI Master SCK Period
1/f
MCK
SCK Output Pulse-
Width High/Low
t
, t
t
t
t
/2
ns
MCH MCL
MCK
MCK
MCK
MOSI Output Hold Time
After SCK Sample Edge
t
/2
/2
ns
ns
MOH
MOSI Output Valid to
Sample Edge
t
MOV
MISO Input Valid to
SCK Sample Edge
Setup
t
5
ns
ns
MIS
MISO Input to SCK
Sample Edge Hold
t
t
/2
MCK
MIH
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MAX32663A
Ultra-Low Power ECG
Biometric Sensor Hub
STOP
START
START
REPEAT
START
t
BUS
SDA
SCL
t
OF
t
R
t
SU;STO
t
SP
t
t
SU;STA
HIGH
t
SU;DAT
t
HD;STA
t
t
HD;DAT
t
LOW
t
VD;ACK
VD;DAT
2
Figure 1. I C Timing Diagram
SHIFT SAMPLE SHIFT SAMPLE
SSx
(SHOWN ACTIVE LOW)
t
MCK
SCK
CKPOL/CKPHA
0/1 OR 1/0
t
MCH
t
MCL
SCK
CKPOL/CKPHA
0/0 OR 1/1
t
MOH
t
MOV
t
MLH
MOSI/SDIOx
(OUTPUT)
MSB
MSB-1
LSB
t
MIS
t
MIH
MISO/SDIOx
(INPUT)
MSB
MSB-1
LSB
Figure 2. SPI Master Mode Timing Diagram
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Maxim Integrated | 9
MAX32663A
Ultra-Low Power ECG
Biometric Sensor Hub
Pin Configuration
TOP VIEW
24 23 22 21 20
1
19
D.N.C
SENSOR_SCK
+
D.N.C
NC
2
3
4
5
6
18 SENSOR_CS
17 D.N.C
16 D.N.C
15 NC
INT
MAX32663A
D.N.C
RSTN
14 INT2B
EP*
7
13
INTB
V
SS
8
9
10 11 12
24 TQFN-EP
3mm x 3mm
*EP = EXPOSED PAD
Pin Description
FUNCTION MODE
PIN
NAME
FUNCTION
Signal Name
POWER
This pin must be bypassed to V with a 1.0μF capacitor as close
SS
11, 22
V
DD
Digital Supply Voltage as possible to the package. The device operates solely from this
one power supply pin.
V
CORE
must always be bypassed to V with a 1.0μF capacitor as
SS
12
7, 10
EP
V
Core Supply Voltage
Digital Ground
close as possible to the package. Do not connect this device pin to
any other circuits.
CORE
V
SS
—
Exposed Pad (TQFN Only). This pad must be connected to V
.
SS
EP
Exposed Pad
Refer to Application Note 3273: Exposed Pads: A Brief Introduction
for additional information.
CLOCK
9
Connect a 32.768kHz crystal between 32KIN and 32KOUT for RTC
operation. Optionally, an external clock source can be driven on
32KIN if the 32KOUT pin is left unconnected.
32.768kHz Crystal
Oscillator Input
32KIN
32.768kHz Crystal
Oscillator Output
8
32KOUT
—
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MAX32663A
Ultra-Low Power ECG
Biometric Sensor Hub
FUNCTION MODE
PIN
NAME
FUNCTION
Signal Name
RESET
External System Reset (Active-Low) Input. The device remains in
reset while this pin is in its active state. When the pin transitions to
its inactive state, the device performs a reset (resetting all logic on
all supplies except for real-time clock circuitry) and begins
6
RSTN
Reset
execution. This pin is internally connected with an internal pullup to
the V
supply as indicated in the Electrical Characteristics table.
DD
Add and place a noise snubber circuit as close as possible to the
device with component values shown in the Typical Application
Circuit.
SPI
SPI Master Clock for
Sensors
This is the SPI master clock output that should be connected to the
MAX30003 SCLK input.
19
21
20
18
SENSOR_SCK
SENSOR_MISO
SENSOR_MOSI
SENSOR_CS
SPI Master In Slave
Out
This is the SPI master-in, slave-out that should be connected to the
MAX30003 SDO pin.
SPI Master Out Slave This is the SPI master-out, slave-in that should be connected to the
In
MAX30003 SDI pin.
This is the SPI master chip select output that should be connected
to the MAX30003 CSB input.
Sensor Chip Select
2
I C
2
2
This is the I C slave SCL that should be connected to the host I C
master SCL.
2
24
23
SLAVE_SCL
SLAVE_SDA
I C Slave Clock
2
2
This is the I C slave SDA that should be connected to the host I C
master SDA.
2
I C Slave Data
INTERRUPTS
This pin is an active-low interrupt input. It connects to the INT2B
interrupt output of the MAX30003.
14
INT2B
INTB
INT
MAX30003 INT2B
MAX30003 INTB
Interrupt Output
This pin is an active-low interrupt input. It connects to the INTB
interrupt output of the MAX30003.
13
4
This pin is asserted low by the MAX32663A when the device
2
requires servicing through the I C interface.
DO NOT CONNECT
1, 2, 5, 16,
17
This pin is internally connected. Do not make any electrical
connection, including V , to this pin.
SS
D.N.C.
NC
Do Not Connect
NOT CONNECTED
Not Connected. This
pin is not connected to
the die and can be
used to route any
signal.
This pin is not connected to the die and can be used to route any
signal.
3, 15
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Maxim Integrated | 11
MAX32663A
Ultra-Low Power ECG
Biometric Sensor Hub
Detailed Description
Three Different Versions of the MAX32663A
● Version FS (Full HeartKey Suite) includes all available ECG measurements in a single sensor hub.
• Heart Rate, Heart Rate Variability, Stress Level Index, Energy Expenditure, and User Identification
● Version W (Health and Wellness) excludes the security portion to aim applications where the security portion of a
design is not needed, and instead focuses on the health and wellness measurements.
• Heart Rate, Heart Rate Variability, Stress Level Index, and Energy Expenditure
● Version UI (User Identification) is ideal when you need a method of identifying users before giving access to your end
product.
• User Identification
Heart Rate (HR)
Heart rate provides one of the most common base insights into your body’s health. The HeartKey Heart Rate algorithm
is as accurate on dry electrodes as a medical Holter monitor using wet electrodes. When the signal quality is sufficient,
an estimated heart rate is displayed after three intervals with medical-grade accuracy available after nine intervals.
Heart Rate Variability (HRV)
HRV is a key indicator of heart health and is increasingly used as a metric for wellness as well. By calculating a
quantitative measurement into the autonomous nervous system (ANS), it can provide insight into a user's health,
including overtraining in athletes and as an input into stress measurements.
Physiological Stress
In the U.S. alone, stress is estimated to cost 2.6% of the US GDP, which is equivalent to $300 billion. The Stress
algorithm allows a user to monitor their state in real time and take appropriate action. The Stress algorithm calculates a
stress score between 0 to 100 on 30 interval windows, updating every 15 intervals.
Energy Expenditure (EE)
Obesity is a leading contributor to health issues in a variety of areas. In 2015/2016 it was estimated that one in three
adults in the USA were obese. One of the most effective ways of weight loss is through the tracking and management of
calories. The EE algorithm uses physiological metadata and the ECG to calculate the amount of energy a user is using
in real time.
HeartKey User ID
The HeartKey User ID uses your ECG to identify you, give early insight of cardiac conditions, protecting your
physiological data and personalizing wellness insights. Accuracy in real-world applications is 1:1000 and can be used as
part of a multimodal approach to improve system security. Subjects can be identified in less than five beats where there
is sufficient quality signal capture.
Interface to Host
2
The interface to the host is the I C interface The devices support one slave interface with an address of 0x55. The
features for this interface are as follows:
● One slave for communication with a host
● RESTART condition
● Fast mode: 400kbps
● Internal filter to reject noise spikes
● Receiver FIFO depth of 8 bytes
● Transmitter FIFO depth of 8 bytes
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Maxim Integrated | 12
MAX32663A
Ultra-Low Power ECG
Biometric Sensor Hub
● Firmware bootloader
Interface to the Sensor
The interface to the MAX30003 is a master SPI.
Device Selection
See the Ordering Information table at the end of this data sheet for device selection by interface type.
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Maxim Integrated | 13
MAX32663A
Ultra-Low Power ECG
Biometric Sensor Hub
Applications Information
Table 1. Evaluation Platforms
DEVICE
PLATFORM
MAX30003WING2#
MAX32663A
Typical Application Circuits
MAX32663A and MAX30003 ECG Patch
1.8V
1.8V
1µF
10µF
1µF
10µF
10µF
0.1µF
0.1µF
1.8V
AVDD DVDD OVDD
V
V
REF BG
V
DD
49.9kΩ
INTB
INTB
ECGP
4.7kΩ
4.7kΩ
INT2B
INT2B
10pF
10pF
1000pF
SLAVE_SCL
SLAVE_SDA
MAX30003
ECG, R-TO-R DETECTION
AFE
SENSOR_CS
SENSOR_SCK
CSB
SCLK
SDI
TO HOST
MICRO
ECGN
CAPN
CAPP
SENSOR_MOSI
SENSOR_MISO
49.9kΩ
INT
SDO
RSTN
1µF
FCLK
1nF
100nF
10Ω
NOISE
SNUBBER
CPLL
AGND
DGND
V
CM
MAX32663A
BIOMETRIC
SENSOR HUB
10µF
1.8V
32kHz
OSCILLATOR
V
V
CORE
1µF
32KOUT
N.C.
32KIN
SS
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Maxim Integrated | 14
MAX32663A
Ultra-Low Power ECG
Biometric Sensor Hub
Ordering Information
PART
VERSION
PIN-PACKAGE
24 TQFN-EP
MAX32663AGTGFS+
MAX32663AGTGFS+T
MAX32663AGTGW+*
MAX32663AGTGW+T*
MAX32663AGTGUI+*
MAX32663AGTGUI+T*
FS (Full HeartKey Suite)
(3mm x 3mm x 0.75mm, 0.4mm
pitch)
24 TQFN-EP
(3mm x 3mm x 0.75mm, 0.4mm
pitch)
FS (Full HeartKey Suite)
W (Health and Wellness)
W (Health and Wellness)
UI (User Identification)
UI (User Identification)
24 TQFN-EP
(3mm x 3mm x 0.75mm, 0.4mm
pitch)
24 TQFN-EP
(3mm x 3mm x 0.75mm, 0.4mm
pitch)
24 TQFN-EP
(3mm x 3mm x 0.75mm, 0.4mm
pitch)
24 TQFN-EP
(3mm x 3mm x 0.75mm, 0.4mm
pitch)
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel. Full reel.
*Future product—contact factory for availablity.
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Maxim Integrated | 15
MAX32663A
Ultra-Low Power ECG
Biometric Sensor Hub
Revision History
REVISION REVISION
PAGES
CHANGED
DESCRIPTION
NUMBER
DATE
0
11/20
Initial release
—
For pricing, delivery, and ordering information, please visit Maxim Integrated’s online storefront at https://www.maximintegrated.com/en/storefront/storefront.html.
Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent
licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max
limits) shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.
Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc.
© 2020 Maxim Integrated Products, Inc.
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