MIC3002 datasheet(9/65 Pages) MICREL

9 / 65 page

Micrel, Inc.

MIC3002

July 2007

M9999-073107-B

hbwhelp@micrel.com or (408) 955-1690

Absolute Maximum Ratings(1)

Power Supply Voltage, VDD ................................. +3.8V

Voltage on CLK, DATA, TXFAULT, VIN, RXLOS,

DISABLE, RSIN..................................–0.3V to +6.0V

Voltage On Any Other Pin............... –0.3V to VDD+0.3V

Power Dissipation, TA = 85°C ............................... 1.5W

Junction Temperature (TJ) .................................. 150°C

Storage Temperature (TS) ................. –65°C to +150°C

ESD Ratings(3)

Human Body Model............................................. 2kV

Machine Model .................................................. 300V

Soldering (20sec) .................................................260ºC

Operating Ratings(2)

Power Supply Voltage, VDDA/VDDD ..... +3.0V to +3.6V

Ambient Temperature Range (TA) ... –40°C to +105°C

Package Thermal Resistance

QFN (

JA) ............................................... 43°C/W

Electrical Characteristics

For typical values, TA = 25°C, VDDA = VDDD = +3.3V, unless otherwise noted. Bold values are guaranteed for +3.0V

≤

(VDDA = VDDD)

≤ 3.6V, T(min) ≤ TA ≤ T(max)(8)

Symbol

Parameter

Condition

Min

Typ

Max

Units

Power Supply

IDD

Supply Current

CLK = DATA = VDDD = VDDA;

TXDISABLE low; all DACs at full-

scale; all A/D inputs at full-scale; all

other pins open.

2.3

3.5

CLK = DATA = VDDD = VDDA;

TXDISABLE high; FLTDAC at full-

scale; all A/D inputs at full-scale; all

other pins open.

2.3

3.5

VPOR

Power-on Reset Voltage

All registers reset to default values;

A/D conversions initiated.

2.9

2.98

UVLO

Under-Voltage Lockout Threshold

Note 5

2.5

2.73

HYST

Power-on Reset Hysteresis Voltage

170

POR

Power-on Reset Time

VDD > VPOR(4)

µs

VREF

Reference Voltage

1.210

1.225

1.240

∆V

REF

∆V

DDA

Voltage Reference Line Regulation

1.7

mV/V

Temperature-to-Digital Converter Characteristics

Local Temperature Measurement

Error

–40°C

≤ T

A ≤ +105°C

(6)

±1

±3

°C

Remote Temperature

Measurement Error

–40°C

≤ T

A ≤ +105°C

(6)

±1

±3

°C

tCONV

Conversion Time

Note 4

tSAMPLE

Sample Period

100

Remote Temperature Input, XPN

Current to External Diode(4)

XPN at high level, clamped to 0.6V.

192

400

µA

XPN at low level, clamped to 0.6V.

µA

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