30.3USB TRANSCEIVER ELECTRICAL CHARACTERISTICS (Temperature: -40°CTA +85°C)

Symbol

Parameter

Conditions

Min

Max

Units

 

 

 

 

 

 

VDI

Differential Input Sensitivity

(D+) - (D-)

-0.2

0.2

V

VCM

Differential Common Mode Range

 

0.8

2.5

V

VSE

Single-Ended Receiver Threshold

 

0.8

2.0

V

VOL

Output Low Voltage

RL = 1.5 kohm to 3.6V

 

0.3

V

VOH

Output High Voltage

 

2.8

 

V

VOZ

TRI-STATE Data Line Leakage

0V < VIN < 3.3V

-10

10

µA

CTRN

Transceiver Capacitance

 

 

20

pF

30.4ADC ELECTRICAL CHARACTERISTICS (Temperature: -40°CTA +85°C)

Symbol

Parameter

Conditions

Min

Typ

Max

Units

 

 

 

 

 

 

 

VPREF

ADC Positive Reference Input

 

2

 

2.75

V

VNREF

ADC Negative Reference Input

 

0

 

0.25

V

 

ADC Input Range

 

VNREF

 

VPREF

V

 

Clock Frequency

 

 

12

 

MHz

 

 

 

 

 

 

 

tC

Conversion Time (12-bit result)

 

 

14

 

µs

INL

Integral Non-Linearity

 

 

 

±2

LSB

 

 

 

 

 

 

 

DNL

Differential Non-Linearity

 

 

 

±0.7

LSB

 

 

 

 

 

 

 

CADCIN

Total Capacitance of ADC Input

 

9

 

20

pF

CADCINS

Switched Capacitance of ADC Input

 

8

 

10

pF

RADCIN

Resistance of ADC Input Path

 

0.1

 

12

kohm

CADCIN

Total Capacitance of ADC Reference Input

 

50

 

100

pF

CADCINS

Switched Capacitance of ADC Reference Input

 

8

 

10

pF

RADCIN

Resistance of ADC Reference Input Path

 

0.2

 

0.6

kohm

CP3BT26

245

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Page 245
Image 245
National CP3BT26 manual Symbol Parameter Conditions Min Typ Max Units, Inl, Lsb, Dnl