NCT47 ONSEMI [ON Semiconductor], NCT47 Datasheet - Page 2

• Manufacturer Part Number: NCT47
• Description: High Precision Temperature-to-Voltage Converter
• Manufacturer: ONSEMI [ON Semiconductor]

* Maximum Ratings are those values beyond which damage to the device may occur.
temperature in degrees Celsius. Figure 1 shows a plot of the
output voltage versus temperature for the NCT47. The
ELECTRICAL CHARACTERISTICS (T A =
ABSOLUTE MAXIMUM RATINGS*
V DD
I Q
A V
TMP ACY25
TMP ACY125
TMP ACY–40
V OUT–40
V OUT+25
V OUT+125
I OUT
PIN DESCRIPTION
V DD
V SS
T A
T stg
T sol
The NCT47 has an output voltage that varies linearly with
Symbol
Pin No.
Symbol
1
2
3
Supply Voltage
Voltage on Any Pin with Respect to Supplies
Operating Temperature Range
Storage Temperature Range
Lead Temperature (Soldering, 10 Seconds)
Supply Voltage
Supply Current, Operating
Average Slope of Output Voltage
Temperature Accuracy at 25 C
Temperature Accuracy
Temperature Accuracy
Output Voltage at –40 C
Output Voltage at 25 C
Output Voltage at 125 C
Output Source and Sink Current
Symbol
V OUT
V DD
V SS
1.75
1.7
1.5
1.3
1.1
0.9
0.7
0.5
0.3
0.1
–40
–30
Input Supply Voltage
Temperature Sensor Output Terminal
Ground Terminal
–20
V OUT = (10 mV/ C) (Temperature C) + 500 mV
–10
Figure 1. Output Voltage vs. Temperature
Characteristic
Parameter
0
–40 C to +125 C, V DD = 2.7V to 4.4V, unless otherwise noted
10
DETAILED DESCRIPTION
20
30
http://onsemi.com
Temperature ( C)
40
50
NCT47
60
2
70
temperature slope is fixed at 10 mV/ C, and the output
voltage at 0 C is 500 mV.
80
T A = 125 C
T A = –40 C
T A = 25 C
90
100
Description
110
120
1720
(V SS – 0.3) to (V DD + 0.3)
–2.0
–3.0
Min
730
100
125
2.7
—
—
—
—
–40 to +125
–55 to +150
Value
+260
+7.0
1750
Typ
100
750
1.5
—
35
10
—
—
0.5
.
)
1780
Max
+2.0
+3.0
770
4.4
60
—
—
—
—
Unit
V
V
mV/ C
C
C
C
Unit
mV
mV
mV
V
C
C
C
A
A