July 2010 Doc ID 12495 Rev 13 1/19
1
STLM20
Ultra-low current 2.4 V precision analog temperature sensor
Features
Precision analog voltage output temperature
sensor
±1.5 °C maximum temperature accuracy
at 25 °C (±0.5 °C typical)
Ultra-low quiescent supply current:
4.8 µA (typ) and 8.0
µA (max)
Operating voltage range: 2.4 V to 5.5 V
Operating temperature range:
–55 °C to 130 °C (grade 7)
–40 °C to 85 °C (grade 9)
SOT323-5L 5-lead package
UDFN-4L 4-lead package
Applications
Smartphones
Multimedia PDA devices
GPS devices
Portable medical instruments
Voltage-controlled crystal oscillator
temperature monitors
RF power transistor monitor
SOT323-5L
UDFN-4L
www.st.com
Contents STLM20
2/19 Doc ID 12495 Rev 13
Contents
1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Transfer function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4 DC and AC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5 Capacitive load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6 Typical operating characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
7 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
8 Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
STLM20 List of tables
Doc ID 12495 Rev 13 3/19
List of tables
Table 1. Signal names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Table 2. First order equations optimized for different temperature ranges. . . . . . . . . . . . . . . . . . . . . 6
Table 3. Second order parabolic equation (V
CC
= 2.7 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Table 4. Second order parabolic equation for operation over the full voltage range
(V
CC
= 2.4 V to 5.5 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Table 5. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Table 6. DC and AC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Table 7. Resistor/capacitor combinations for the filter network . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Table 8. SOT323-5L – 5-lead small outline transistor package mechanical data. . . . . . . . . . . . . . . 13
Table 9. UDFN-4L – 4-lead (1.00 mm x 1.30 mm) package mechanical data . . . . . . . . . . . . . . . . . 14
Table 10. Carrier tape dimensions for SOT323-5L and UDFN-4L packages . . . . . . . . . . . . . . . . . . . 15
Table 11. Reel dimensions for 8 mm carrier tape - SOT323-5L and UDFN-4L packages . . . . . . . . . 16
Table 12. Ordering information scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Table 13. Marking description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Table 14. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

STLM20DD9F

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
Board Mount Temperature Sensors 2.4V Analog
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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