Datasheet

LM63
SNAS190E –SEPTEMBER 2002–REVISED MAY 2013 www.ti.com
OPERATING RATINGS
(1)(2)
Specified Temperature Range (T
MIN
≤ T
A
≤ T
MAX
) LM63CIM, LM63DIM 0°C ≤ T
A
≤ +85°C
Remote Diode Temperature Range 0°C ≤ T
A
≤ +125°C
Supply Voltage Range (V
DD
) +3.0 V to +3.6 V
(1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is functional, but do not ensure performance limits. For ensured specifications and test conditions, see the Electrical
Characteristics. The ensured specifications apply only for the test conditions listed. Some performance characteristics may degrade
when the device is not operated under the listed test conditions.
(2) All voltages are measured with respect to GND, unless otherwise noted.
DC ELECTRICAL CHARACTERISTICS
TEMPERATURE-TO-DIGITAL CONVERTER CHARACTERISTICS
The following specifications apply for V
DD
= 3.0 VDC to 3.6 VDC, and all analog source impedance R
S
= 50Ω unless
otherwise specified in the conditions. Boldface limits apply for T
A
= T
MIN
to T
MAX
; all other limits T
A
= +25°C.
UNITS
PARAMETER CONDITIONS VERSION TYPICAL
(1)
LIMITS
(2)
(LIMITS)
T
D
= +60 to +100°C LM63C ±1 °C (max)
Temperature Error Using the
T
A
= +30 to +50°C
T
D
= Remote Diode
Remote Thermal Diode of an Intel
I
PWML
≤ 5 mA
LM63D ±3 °C (max)
Junction Temperature
Pentium 4 or Mobile Pentium 4
Processor-M with typical non-
T
A
= +0 to +85°C
T
D
= +25 to +125°C All ±3 °C (max)
ideality of 1.0021.
I
PWML
≤ 8 mA
Temperature Error Using the Local T
A
= +25 to +125°C
(3)(4)
All ±1 ±3 °C (max)
Diode
11 Bits
Remote Diode Resolution All
0.125 °C
8 Bits
Local Diode Resolution All
1 °C
Conversion Time, All Temperatures Fastest Setting All 31.25 34.4 ms (max)
D− Source Voltage All 0.7 V
315 µA (max)
(V
D+
− V
D−
) = +0.65 V; High Current All 160
110 µA (min)
Diode Source Current
20 µA (max)
Low Current All 13
7 µA (min)
(1) “Typicals” are at T
A
= 25°C and represent most likely parametric norm. They are to be used as general reference values not for critical
design calculations.
(2) Limits are specified to AOQL (Average Outgoing Quality Level).
(3) Local temperature accuracy does not include the effects of self-heating. The rise in temperature due to self-heating is the product of the
internal power dissipation of the LM63 and the thermal resistance. For the thermal resistance to be used in the self-heating calculation,
see the table footnote about Thermal resistance junction-to-ambient.
(4) Thermal resistance junction-to-ambient when attached to a printed circuit board with 2 oz. foil is 168°C/W.
OPERATING ELECTRICAL CHARACTERISTICS
PARAMETER CONDITIONS TYPICAL
(1)
LIMITS
(2)
UNITS
ALERT PWM
ALERT and PWM Output Saturation Voltage I
OUT
4 mA 5 mA 0.4
V (max)
I
OUT
6 mA 0.55
2.4 V (max)
Power-On-Reset Threshold Voltage
1.8 V (min)
SMBus Inactive, 16 Hz
1.1 2.0 mA (max)
Conversion Rate
Supply Current
(3)
STANDBY Mode 300 µA
(1) “Typicals” are at T
A
= 25°C and represent most likely parametric norm. They are to be used as general reference values not for critical
design calculations.
(2) Limits are specified to AOQL (Average Outgoing Quality Level).
(3) The supply current will not increase substantially with an SMBus transaction.
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