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参数资料
| 型号： | TC1132VNB |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO3 |
| 封装： | SOT-23B, 3 PIN |
| 文件页数： | 2/8页 |
| 文件大小： | 55K |
| 代理商： | TC1132VNB |
2
TC1132/1133-3 4/9/98
TC1132
TC1133
Consumer Grade Temperature-to-
Voltage Converters
2001 Microchip Technology Inc.
DS21359A
* Static-sensitive device. Unused devices must be stored in conductive
material. Protect devices from static discharge and static fields. Stresses
above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. These are stress ratings only and functional
operation of the device at these or any other conditions above 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.
ABSOLUTE MAXIMUM RATINGS *
Supply Voltage ............................................................ 15V
Input Voltage, Any Terminal .............. – 1.0 to (VCC +0.3V)
Operating Temperature (TC1132) ......... – 20
°C to +125°C
Operating Temperature (TC1133) ......... – 20
°C to +100°C
Storage Temperature ............................ – 65
°C to +150°C
Lead Temperature (Soldering, 10 sec)
SOT-23B-3 ..................................................... +260
°C
TO-92-3 .......................................................... +300
°C
ELECTRICAL CHARACTERISTICS : TA = – 20°C to +125°C, VCC = 5V ±5%, unless otherwise specified.
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
VCC
Supply Voltage (TC1132)
3.0
—
12
V
VCC
Supply Voltage (TC1133)
2.2
—
12
V
IS
Supply Current
Note 1
—
40
80
A
ISRC
VOUT Output Source Current
——
1.0
mA
Accuracy at Room Temperature
TA = 25°C (Note 2)
– 3
± 0.5
+3
°C
Accuracy at Minimum Temperature
TA = – 20°C
—
± 4
—
°C
(Note 2)
Accuracy at Maximum Temperature
TC1132: TA = +125°C
– 4
—
+4
°C
TC1133: TA = +100°C
– 4
—
+4
(Note 2)
Nonlinearity
Note 3
– 0.8
—
+0.8
°C
Line Regulation
—
100
—
V/V
AV
Average Slope of Output Voltage
—
10
—
mV/
°C
VOUTMAX
Maximum Output Voltage
TC1132: 3.0V
≤ VCC ≤ 12V
——
VCC – 1.2
V
TC1133: 2.2V
≤ VCC ≤ 12V
(Note 1)
DETAILED DESCRIPTION
A plot of output voltage versus temperature for both the
TC1132 and TC1133 appears in Figure 1. The TC1133 can
be used with single power supply to measure temperatures
from 0
°C to 100°C. A pull-down resistor (R1 in Figure 2)
must be added from VOUT to the negative power supply for
measuring temperatures less than 0
°C. The value of the
resistor must be chosen to limit the maximum current
pulled from the output to the negative supply to
– 50
A (i.e. R1 = VSS/50A).
Notes: 1. VOUT outputs open circuited.
2. Accuracy = Difference between calculated output voltage (10mV/
°C x Device case temperature at specified temperature and power supply)
and measured output voltage expressed in
°C.
3. Nonlinearity = deviation of output voltage versus temperature from the best-fit straight line over the device rated temperature range.
4. Guaranteed by design.
OUTPUT STAGE
Both the TC1132 and TC1133 have Class A output
stages capable of sourcing 1mA. These devices have a
limited ability to drive heavy capacitive loads. Loads of
50pF (to ground) can be driven directly. For heavier loads,
a 2k
(or greater) resistor should be placed in series with
the output for decoupling. If the TC1132/33 is used in a
noisy electrical environment, a 0.1
F bypass capacitor
from VCC to GND is recommended.
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