LM93 datasheet(83/95 Pages) TI1

83 / 95 page

LM93

www.ti.com

SNAS210E – DECEMBER 2003 – REVISED MARCH 2013

DC Electrical Characteristics (continued)

The following limits apply for +3.0 VDC to +3.6 VDC, unless otherwise noted. Bold face limits apply for TA = TJ over TMIN to

TMAX of the operating range; all other limits TA = TJ = 25°C unless otherwire noted. TA is the ambient temperature of the

LM93; TJ is the junction temperature of the LM93; TD is the junction temperature of the thermal diode.

Typical

Limits

Units

Symbol

Parameter

Conditions

(1)

(2)

(Limits)

ANALOG-TO-DIGITAL VOLTAGE MEASUREMENT CONVERTER CHARACTERISTICS

TUE(1)

Total Unadjusted Error (2)

% of FS

±2

(max)

DNL

Differential Non-Linearity

±1

LSB

PSS

Power Supply (VDD) Sensitivity

%/V (of

±1

FS)

Total Monitoring Cycle Time

100

ms (max)

Input Resistance for Inputs with Dividers

200

140

Ω (min)

AD_IN1- AD_IN3 and AD_IN15 Analog Input Leakage

nA (max)

Current (3)

REFERENCE OUTPUT (VREF) CHARACTERISTICS

Tolerance

±1

% (max)

VREF

Output Voltage (4)

2.525

V (max)

2.500

2.475

V (min)

Load Regulation

ISOURCE = −2 mA

0.1

ISINK = 2 mA

DIGITAL OUTPUTS: PWM1, PWM2

IOL

Current Sink

mA (min)

VOL

Output Low Voltage

IOUT = 8.0 mA

0.4

V (max)

DIGITAL OUTPUTS: ALL

VOL

Output Low Voltage (Note excessive current flow

IOUT = 4.0 mA

0.4

V (min)

causes self-heating and degrades the internal

IOUT = 6 mA

0.55

V (min)

temperature accuracy.)

IOH

High Level Output Leakage Current

VOUT = VDD

0.1

µA (max)

IOTMAX

Maximum Total Sink Current for all Digital Outputs

mA (max)

Combined

Digital Output Capacitance

DIGITAL INPUTS: ALL

VIH

Input High Voltage Except Address Select

2.1

V (min)

VIL

Input Low Voltage Except Address Select

0.8

V (max)

VIH

Input High Voltage for Address Select

90% VDD

V (min)

VIM

Input Mid Voltage for Address Select

43% VDD

V (min)

57% VDD

V (max)

VIL

Input Low Voltage for Address Select

10% VDD

V (max)

VHYST

DC Hysteresis

0.3

IIH

Input High Current

VIN = VDD

−10

µA (min)

IIL

Input Low Current

VIN = 0V

µA (max)

CIN

Digital Input Capacitance

DIGITAL INPUTS: P1_VIDx, P2_VIDx, GPIO_7, GPIO_6, GPIO_5, GPIO_4 (When respective bit set in Register BEh GPI/VID Level

Control)

VIH

Alternate Input High Voltage (AGTL+ Compatible)

0.8

V (min)

VIL

Alternate Input Low Voltage (AGTL+ Compatible)

0.4

V (max)

(1)

TUE (Total Unadjusted Error) includes Offset, Gain and Linearity errors of the ADC.

(2)

Total Monitoring Cycle Time includes all temperature and voltage conversions.

(3)

Leakage current approximately doubles every 20 °C.

(4)

A total digital I/O current of 40mA can cause 6mV of offset in Vref.

Electrical Specifications

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