MIC3000_07 datasheet(8/68 Pages) MICREL

8 / 68 page

MIC3000

Micrel

M9999-101204

October 2004

Electrical Characteristics

Symbol

Parameter

Condition

Min

Typ

Max

Units

Voltage-to-Digital Converter Characteristics (VRX, VAUX, VBIAS, VMPD, VILD+/–)

Voltage Measurement Error

–40°C - TA - +105°C(6)

±1

±2.0

% fs

tCONV

Conversion Time

Note 4

tSAMPLE

Sample Period

Note 4

100

Voltage Input, VIN (Pin 14 used as an ADC Input)

VIN

Input Voltage Range

–0.3 - VDD - 3.6V

GNDA

5.5

ILEAK

Input Current

VIN = VDD or GND; VAUX = VIN

µA

CIN

Input Capacitance

Digital-to-Voltage Converter Characteristics (VMOD, VBIAS)

Accuracy

–40°C - TA - +105°C(6)

±1

2.0

% fs

tCONV

Conversion Time

Note 4

DNL

Differential Non-linearity Error

Note 4

±0.5

±1

LSB

Bias Current Sense Inputs, VILD+, VILD–

VILD

Differential Input Signal Range,

VREF/4

| VILD+ – VILD– |

IIN+

VILD+ Input Current

±1

µA

IIN–

VILD– Input Current

VILD– referred to VDDA

+150

µA

| VILD+ – VILD– | = 0.3V

VILD– referred to GND

–150

µA

CIN

Input Capacitance

APC Op Amp, FB, VBIAS, COMP

GBW

Gain Bandwidth Product

CCOMP = 20pF; Gain = 1

MHz

TCVOS

Input Offset Voltage Temperature

µV/°C

Coefficient(4)

VOUT

Output Voltage Swing

IOUT = 10mA, SRCE bit = 1

GNDA

1.25

IOUT = -10mA, SRCE bit = 0

VDDA–1.25

VDDA

ISC

Output Short-Circuit Current

tSC

Short Circuit Withstand Time

TJ - 150°C(4)

sec

PSRR

Power Supply Rejection Ratio

CCOMP = 20pF; Gain = 1, to GND

CCOMP = 20pF; Gain = 1, to VDD

AMIN

Minimum Stable Gain

CCOMP = 20pF, Note 4

V/V

∆V/∆t

Slew Rate

CCOMP = 20pF; Gain = 1

µs

∆RFB

Internal Feedback Resistor Tolerance

±20

∆RFB/∆t

Internal Feedback Resistor

ppm/C

Temperature Coefficient

CIN

Pin Capacitance

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