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参数资料
| 型号： | DS600U/T&R |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | Analog Temperature Sensor |
| 英文描述： | ANALOG TEMP SENSOR-VOLTAGE, 0-0.4V, 0.75Cel, SQUARE, SURFACE MOUNT |
| 封装： | MO-187, MICRO SOP-8 |
| 文件页数： | 3/5页 |
| 文件大小： | 188K |
| 代理商： | DS600U/T&R |
DS600 ±0.5°C Accurate Analog-Output Temperature Sensor
3 of 5
PIN DESCRIPTION
PIN
NAME
FUNCTION
1
VDD
Supply Voltage.
2.7V to 5.5V
2
TO
Active-High Thermostat Output.
Open-drain output transitions from low to high when the output
voltage exceeds VTH. In shutdown mode, (SD = 1), TO is low.
3
TO
Active-Low Thermostat Output.
Open-drain output transitions from high to low when the output
voltage exceeds VTH. In shutdown mode, (SD = 1), TO is high.
4
VOUT
Temperature Output.
Outputs a voltage that is proportional to the die temperature in degrees
centigrade. In shutdown mode, this pin goes high-Z.
5
VTH
Thermostat Trip Voltage.
User-selectable voltage that sets the thermostat trip-point temperature.
TO and
TO are asserted when VOUT crosses this voltage. (No on-chip hysteresis is present).
6
SD
Shutdown.
Power consumption and thermal sensor function are controlled through SD. This pin
functions as an active-high input pin. Driving this pin high puts the device in a low-power state and
discontinues thermal sensing.
7
CTG
Must be connected to GND.
8
GND
Ground.
PAD
PAD.
Connect to GND or float. DO NOT CONNECT TO SUPPLY. The exposed pad is the best
way to conduct temperature into the package. Connecting PAD to a ground plane can assist in
properly measuring the temperature of the circuit board.
Figure 1. Block Diagram
TEMPERATURE MEASUREMENT
The DS600 analog temperature sensor measures it own temperature and provides these measurements to the
user in the form of an output voltage, VOUT, that is proportional to degrees centigrade. The output voltage
characteristic is factory-calibrated for a typical output gain (
ΔV/ΔT) of +6.45mV/°C and a DC offset (VOS) of 509mV.
Its operating temperature range is -40°C to +125°C, corresponding to an output voltage range of 251mV to
1315mV. (VOUT = Device Temperature (°C) x ΔV/ΔT + VOS). The DS600 has ±0.5°C accuracy over a -20°C to
+100°C temperature range and over the full 2.7V to 5.5V voltage range. Because the output voltage is positive for
the entire temperature range, there is no need for a negative supply.
Figure 2 shows the output voltage characteristic for the DS600.
TEMPERATURE
SENSOR
VOUT
VTH
TO
SD
VDD
GND
CONTROL
LOGIC
LEVEL-SHIFT
BUFFER
THERMOSTAT
COMPARATOR
2.7V to 5.5V
DS600
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