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MAX6611 Datasheet

Precision / Low-Power / 6-Pin SOT23 Temperature Sensors and Voltage References

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MAX6611 pdf
19-2457; Rev 2; 11/03
Precision, Low-Power, 6-Pin SOT23
Temperature Sensors and Voltage References
General Description
The MAX6610/MAX6611 are precise, low-power analog
temperature sensors combined with a precision voltage
reference. They are ideal for applications involving ana-
log-to-digital converters (ADCs), where the MAX6610/
MAX6611 provide the reference voltage for the ADC
and develop a temperature output voltage that is
scaled to provide convenient ADC output codes. An 8-
bit ADC’s LSB is equal to 1°C, while a 10-bit ADC’s LSB
corresponds to 0.25°C.
The MAX6610/MAX6611 are available in two versions.
The MAX6611 operates from a 4.5V to 5.5V power sup-
ply and has a 4.096V reference output. The MAX6610
operates from 3.0V to 5.5V and has a 2.560V reference
output. Power-supply current is less than 150µA (typ).
Both the MAX6610/MAX6611 are available in a 6-pin
SOT23 package and operate from -40°C to +125°C.
Features
o ±1°C Accuracy
o Low TC Reference (±10ppm, typ)
o Temperature Output Scaled for ADCs
o Integrated Reference Voltage Scaled for
Convenient ADC Bit Weights
o No Calibration Required
o Low Supply Current
o Tiny 6-Pin SOT23 Package
o Low-Current Shutdown Mode
Applications
System Temperature Monitoring
Temperature Compensation
HVAC
Home Appliances
Ordering Information
PART
TEMP
RANGE
PIN-
VREF TOP
PACKAGE (V) MARK
MAX6610AUT-T -40°C to +125°C 6 SOT23-6 2.560 ABDO
MAX6611AUT-T -40°C to +125°C 6 SOT23-6 4.096 ABOP
Pin Configuration
TOP VIEW
VCC 1
6 GND
MAX6610
GND 2 MAX6611 5 REF
SHDN 3
4 TEMP
SOT23
Typical Application Circuit
VCC
0.1µF
GND
MAX6610
SHDN MAX6611
VCC REF
TEMP
1nF
GND
1nF
VCC
µC
REF IN
ADC IN
GND
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX6611 Datasheet

Precision / Low-Power / 6-Pin SOT23 Temperature Sensors and Voltage References

No Preview Available !

MAX6611 pdf
Precision, Low-Power, 6-Pin SOT23
Temperature Sensors and Voltage References
ABSOLUTE MAXIMUM RATINGS
Voltages Referenced to GND
VCC ........................................................................-0.3V to +6.0V
All Other Pins............................................. -0.3V to (VCC + 0.3V)
Input Current ...................................................................... 20mA
Output Current ....................................................................20mA
Continuous Power Dissipation (TA = +70°C)
6-Pin SOT23 (derate 8.7mW/°C above +70°C) ........695.7mW
Operating Temperature Range (TMIN, TMAX) ....-40°C to +125°C
ESD Protection (all pins, Human Body Model) ..................2000V
Storage Temperature Range ............................-65°C to +150°C
Junction Temperature ......................................................+150°C
Lead Temperature (soldering, 10s) ................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(VCC = 3.0 to 5.5V (MAX6610), VCC = 4.5V to 5.5V (MAX6611), TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC
= 5.0V (MAX6611) and VCC = 3.3V (MAX6610), TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
Supply Current
Outputs unloaded
ICC SHDN = 0
Temperature Sensor Error
Temperature Sensor Output
Voltage
Temperature Sensor Nonlinearity
Temperature Sensor Output Slope
VTEMP
TA = +25°C
TA = -10°C to +55°C (Note 2)
TA = -20°C to +85°C (Note 2)
TA = -40°C to +125°C (Note 2)
MAX6611, TA = 0°C
MAX6610, TA = 0°C
TA = -10°C to +80°C
MAX6611
MAX6610
Temperature Sensor Supply
Sensitivity
Temperature Sensor Load
Regulation
Temperature Sensor Capacitive
Load
3.0V VCC 5.5V for MAX6610 and 4.5V
VCC 5.5V for MAX6611
Sourcing: 0 IOUT 500µA
Sinking: -100µA IOUT 0
No sustained oscillations (Note 3)
Temperature Sensor Long-Term
Stability
TA = +50°C for 1000hr
Reference Output Voltage
Voltage Reference Temperature
Coefficient
VREF
MAX6611, TA = +25°C
MAX6610, TA = +25°C
TA = -40°C to +85°C
Voltage Reference Line
Regulation
Voltage Reference Load
Regulation
Voltage Reference Long-Term
Stability
VOUT/
IOUT
VOUT/
time
Sourcing: 0 IOUT 1mA
Sinking: -200µA IOUT 0
1000h at TA = +25°C
MIN TYP MAX UNITS
150 250
0.2 1
µA
-1.2 +1.2
-2.4 +2.4
°C
-3.7 +3.7
-5.0 +5.0
1.200
0.750
V
1 °C
16
mV/°C
10
0.5 °C/V
-1 -2.5
-2.5
+1
°C/mA
+5
0 0.2 µF
4.076
2.547
-50
±0.1
4.096
2.560
±10
°C
4.116
2.573
V
+50 ppm/°C
-1 +1 mV/V
12
4 20
50 ppm
2 _______________________________________________________________________________________


Part Number MAX6611
Description Precision / Low-Power / 6-Pin SOT23 Temperature Sensors and Voltage References
Maker Maxim
Total Page 6 Pages
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