RT1025

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is a registered trademark of Richtek Technology Corporation

www.richtek.com

DS1025-01

July

2022

6

Absolute Maximum Ratings

(Note 1)



Supply Voltage, DVDDIO------------------------------------------------------------------------------------------- –0.3V to 4V



Supply Voltage, DVDD18 ------------------------------------------------------------------------------------------ –0.3V to 4V



Supply Voltage, AVDD28------------------------------------------------------------------------------------------- –0.3V to 4V



Supply Voltage, AVDD_HV ---------------------------------------------------------------------------------------- –0.3V to 4.5V



DC Input Current at VIN < 0V or VIN > VDD, IIN ------------------------------------------------------------- –20mA to 20mA



DC Output Current at VOUT < 0V or VOUT > VDD, IOUT------------------------------------------------- –20mA to 20mA



Power Dissipation, PD @ TA = 25°C

WL-CSP-41B 3.10x3.48 (BS) ------------------------------------------------------------------------------------- 3.75W



Package Thermal Resistance

(Note 2)

WL-CSP-41B 3.10x3.48 (BS),

θJA ------------------------------------------------------------------------------- 26.6°C/W



Lead Temperature (Soldering, 10 sec.)------------------------------------------------------------------------- 260

°C



Junction Temperature ----------------------------------------------------------------------------------------------- 150

°C



Storage Temperature Range --------------------------------------------------------------------------------------

−40°C to 125°C



ESD Susceptibility

(Note 3)

HBM (Human Body Model) ---------------------------------------------------------------------------------------- 2kV

Recommended Operating Conditions

(Note 4)



Ambient Temperature Range -------------------------------------------------------------------------------------

−20°C to 65°C



Junction Temperature Range -------------------------------------------------------------------------------------

−40°C to 125°C



Supply Voltage, DVDDIO------------------------------------------------------------------------------------------- 1.62V to 3.3V



Supply Voltage, DVDD18 ------------------------------------------------------------------------------------------ 1.62V to 1.98V



Supply Voltage, AVDD28------------------------------------------------------------------------------------------- 2.66V to 2.94V



Supply Voltage, AVDD_HV (Note 5, 6) ------------------------------------------------------------------------- 3.4V to 4.5V

Electrical Characteristics

(TA = 25°C, 200kHz I

2C interface)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Power Supply

Digital IO Voltage Input

DVDDIO

1.62

2.8

3.3

V

Digital Core Circuit Voltage

Input

DVDD18

1.62

1.8

1.98

V

Analog Main Voltage Input

AVDD28

2.66

2.8

2.94

V

Analog Secondary Voltage

Input

AVDD_HV

3.4

4

4.5

V

Idle mode current

IIdle

AVDD28 = 2.8V, AVDD_HV = 4V

DVDD18 = 1.8V, DVDDIO = 2.8V

--

< 7

--

µA

ECG mode current

IECG

AVDD28 = 2.8V, AVDD_HV = 4V

DVDD18 = 1.8V, DVDDIO = 2.8V

--

570

--

µA