(Internal bandgap reference selected and ADC_SCALE = ADC_REFSCL = 1 unless otherwise specified. Specifications marked GBD

are guaranteed by design and not production tested.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

AIN0/AIN1 Resistor Divider

Error

ADC_CHSEL = 4 or 5, not including ADC

offset/gain error

±2

LSB

Full-Scale Voltage

ADC code = 0x3FF

1.2

V

Bandgap Temperature

Coefficient

Box method

30

ppm/°C

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

USB PHY Supply Voltage

3.3

V

Single-Ended Input High

Voltage DP, DM

2

V

Single-Ended Input

Low Voltage DP, DM

0.8

V

Output Low Voltage DP, DM

0.3

V

Output High Voltage DP, DM

2.8

V

Differential Input

Sensitivity DP, DM

DP to DM

0.2

V

Common-Mode Voltage

Range

0.8

2.5

V

Single-Ended Receiver

Threshold

0.8

2

V

Single-Ended Receiver

Hysteresis

200

mV

Differential Output Signal

Cross-Point Voltage

1.3

2

V

DP, DM Off-State Input

Impedance

300

kΩ

Driver Output Impedance

Steady-state drive

28

44

Ω

DP Pull-up Resistor

Idle

0.9

1.575

kΩ

DP Pullup Resistor

Receiving

1.425

3.09

kΩ

USB TIMING

DP, DM Rise Time (Transmit)

4

20

ns

DP, DM Fall Time (Transmit)

4

20

ns

Rise/Fall Time Matching

(Transmit)

90

110

%

Electrical Characteristics - ADC (continued)

Electrical Characteristics - USB

MAX32625/MAX32626

Ultra-Low Power, High-Performance

ARM Cortex-M4F Microcontroller for Wearables

www.maximintegrated.com

Maxim Integrated │ 11