目录
产品概述 返回TOPDd3嘉泰姆
General Description
The CXHA3182 is a precise digital thermometer that reports
the temperature of both a remote sensor and its own
package. The remote sensor is a diode-connected transistor
typically a low-cost, easily mounted 2N3904 NPN
type that replace conventional thermistors or thermocouples.
Remote accuracy is ±1°C with no calibration
needed. It also has a build-in noise filtering function in
remote sensor measuring the diode temperature. The
remote channel can also measure the die temperature
of other ICs, such as microprocessors, that contain an
on-chip, diode-connected transistor.
The 2-wire serial interface accepts standard System
Management Bus (SMBus) Write Byte, Read Byte,
Send Byte, and Receive Byte commands to program
the alarm thresholds and to read temperature data.
The data format is 11bits plus sign, with each bit corresponding
to 0.125°C, in two’s-complement format.
Measurements can be done automatically and
autonomously, with the conversion rate programmed
by the user or programmed to operate in a single-shot
mode. The adjustable rate allows the user to control
the supply current drain.
The CXHA3182 and CXHA3182-1 have the same functions but
different SMBus slave addresses. This allows for one
of each to be on the bus at the same time.
The CXHA3182 is available in a small, 8-pin SOP, MSOP
and TDFN surface-mount package.
产品特点 返回TOPDd3嘉泰姆
„ Two Channels: Measures Both Remote and
Local Temperatures Dd3嘉泰姆
„ No Calibration Required Dd3嘉泰姆
„ Built-in Noise-Buster for Remote Sensor Dd3嘉泰姆
„ SMBus 2-Wire Serial Interface Dd3嘉泰姆
„ Programmable Under/Overtemperature Alarms Dd3嘉泰姆
„ Supports SMBus Alert Response Dd3嘉泰姆
„ Accuracy:
±1°C (+60°C to +100°C, remote)
±3°C (+60°C to + 100°C, local)
„ 320μA (typ) Average Supply Current During
Conversion Dd3嘉泰姆
„ +3V to +5.5V Supply Range Dd3嘉泰姆
„ Small 8-Lead SOP , MSOP and TDFN Package Dd3嘉泰姆
„ Remote Temperature Measurment up to 160°C
by using offset shifting method (see “Measure
Remote Temperature Higher Than 127°C” section) Dd3嘉泰姆
„ SMBus Inputs with Built-in MOS Switch to Prevent
Reverse Current from Bus to IC VCCDd3嘉泰姆
应用范围 返回TOPDd3嘉泰姆
Desktop and Notebook Dd3嘉泰姆
Central Office Dd3嘉泰姆
Computers Dd3嘉泰姆
Telecom Equipment Dd3嘉泰姆
Smart Battery Packs Dd3嘉泰姆
Test and Measurement Dd3嘉泰姆
LAN Servers Dd3嘉泰姆
Multi-Chip Modules Dd3嘉泰姆
Industrial ControllersDd3嘉泰姆
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Dd3嘉泰姆
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产品封装图 返回TOPDd3嘉泰姆
Dd3嘉泰姆
电路原理图 返回TOPDd3嘉泰姆
Dd3嘉泰姆
Dd3嘉泰姆
Temperature TransducerDd3嘉泰姆 |
Part NO.Dd3嘉泰姆 | VCC(V)Dd3嘉泰姆 min.Dd3嘉泰姆 | VCC(V)Dd3嘉泰姆 max.Dd3嘉泰姆 | Sensor Dd3嘉泰姆 Gain Dd3嘉泰姆 | VOUTDd3嘉泰姆 (V)Dd3嘉泰姆 | Sensor Dd3嘉泰姆 Range(°C)Dd3嘉泰姆 | AccuracyDd3嘉泰姆 (°C)Dd3嘉泰姆 | IsupplyDd3嘉泰姆 (μA)Dd3嘉泰姆 | NoteDd3嘉泰姆 | PackageDd3嘉泰姆 |
CXHA3174Dd3嘉泰姆 | 2Dd3嘉泰姆 | 5.5Dd3嘉泰姆 | -11.6Dd3嘉泰姆 | 2.5~0.3Dd3嘉泰姆 | -55~130Dd3嘉泰姆 | ±1Dd3嘉泰姆 | 18Dd3嘉泰姆 | Negative temperature coefficient output Dd3嘉泰姆 | TO126F/SC70-5(SOT353)Dd3嘉泰姆 |
Digital Interface Temperature SensorDd3嘉泰姆 |
Part NO.Dd3嘉泰姆 | VCC(V)Dd3嘉泰姆 min.Dd3嘉泰姆 | VCC(V)Dd3嘉泰姆 max.Dd3嘉泰姆 | RemoteDd3嘉泰姆 | LocalDd3嘉泰姆 | InterfaceDd3嘉泰姆 | Slave Dd3嘉泰姆 AddressDd3嘉泰姆 | Accuracy Dd3嘉泰姆 (°C)Dd3嘉泰姆 | NoteDd3嘉泰姆 | PackageDd3嘉泰姆 |
CXHA3175Dd3嘉泰姆 | 3Dd3嘉泰姆 | 5.5Dd3嘉泰姆 | NDd3嘉泰姆 | 1Dd3嘉泰姆 | SMBusDd3嘉泰姆 | 1001XXXDd3嘉泰姆 | ±2Dd3嘉泰姆 | 8 slave addresses 9 bits Dd3嘉泰姆 resolutionDd3嘉泰姆 | SOP8/MSOP8/TDFN3X3-8Dd3嘉泰姆 |
CXHA3176Dd3嘉泰姆 | 3Dd3嘉泰姆 | 5.5Dd3嘉泰姆 | NDd3嘉泰姆 | 1Dd3嘉泰姆 | SMBusDd3嘉泰姆 | 1001XXXDd3嘉泰姆 | ±1Dd3嘉泰姆 | 8 slave addresses 11 bitsDd3嘉泰姆 resolutionDd3嘉泰姆 | SOP8/MSOP8/TDFN3X3-8Dd3嘉泰姆 /TDFN3X2-8Dd3嘉泰姆 |
CXHA3177Dd3嘉泰姆 | 3Dd3嘉泰姆 | 3.6Dd3嘉泰姆 | NDd3嘉泰姆 | 1Dd3嘉泰姆 | SMBusDd3嘉泰姆 | 1001000Dd3嘉泰姆 | ±1Dd3嘉泰姆 | -10°C to 80°C±1°C(max)Dd3嘉泰姆 | SOT23-5Dd3嘉泰姆 |
CXHA3178Dd3嘉泰姆 | 3Dd3嘉泰姆 | 5.5Dd3嘉泰姆 | 1Dd3嘉泰姆 | 1Dd3嘉泰姆 | SMBusDd3嘉泰姆 | 1001100Dd3嘉泰姆 | ±1Dd3嘉泰姆 | Support transitor modeDd3嘉泰姆 | SOP8/MSOP8Dd3嘉泰姆 |
CXHA3179Dd3嘉泰姆 | 3Dd3嘉泰姆 | 5.5Dd3嘉泰姆 | 1Dd3嘉泰姆 | 1Dd3嘉泰姆 | SMBusDd3嘉泰姆 | 1001100Dd3嘉泰姆 | ±1Dd3嘉泰姆 | Remote up to 160°CDd3嘉泰姆 | SOP8/MSOP8/TDFN3X3-8Dd3嘉泰姆 |
CXHA3180Dd3嘉泰姆 | 3Dd3嘉泰姆 | 5.5Dd3嘉泰姆 | NDd3嘉泰姆 | 1Dd3嘉泰姆 | SMBusDd3嘉泰姆 | 1001100Dd3嘉泰姆 | ±3Dd3嘉泰姆 | Local temperature sensorDd3嘉泰姆 | MSOP8Dd3嘉泰姆 |
CXHA3181Dd3嘉泰姆 | 3Dd3嘉泰姆 | 5.5Dd3嘉泰姆 | 2Dd3嘉泰姆 | 1Dd3嘉泰姆 | SMBusDd3嘉泰姆 | 1001100Dd3嘉泰姆 | ±1Dd3嘉泰姆 | Support transistor modeDd3嘉泰姆 | MSOP10Dd3嘉泰姆 |
CXHA3182Dd3嘉泰姆 | 3Dd3嘉泰姆 | 5.5Dd3嘉泰姆 | 1Dd3嘉泰姆 | 1Dd3嘉泰姆 | SMBusDd3嘉泰姆 | 1001100Dd3嘉泰姆 | ±1Dd3嘉泰姆 | SMBus inputs are built-in switch to prevent reverse leakageDd3嘉泰姆 | SOP8/MSOP8/TDFN3X3-8 Dd3嘉泰姆 |
CXHA3183Dd3嘉泰姆 | 3Dd3嘉泰姆 | 5.5Dd3嘉泰姆 | 1Dd3嘉泰姆 | 1Dd3嘉泰姆 | SMBusDd3嘉泰姆 | 1001100Dd3嘉泰姆 | ±1Dd3嘉泰姆 | GriffinDd3嘉泰姆 | SOP8 MSOP8Dd3嘉泰姆 |
Thermal SwitchDd3嘉泰姆 |
Part NO.Dd3嘉泰姆 | VCC(V)Dd3嘉泰姆 min.Dd3嘉泰姆 | VCC(V)Dd3嘉泰姆 max.Dd3嘉泰姆 | SensorDd3嘉泰姆 | Hysterisis VCCGNDDd3嘉泰姆 | Output Dd3嘉泰姆 TypeDd3嘉泰姆 | AccuracyDd3嘉泰姆 (°C)Dd3嘉泰姆 | Isupply Dd3嘉泰姆 (μA)Dd3嘉泰姆 | NoteDd3嘉泰姆 | PackageDd3嘉泰姆 |
CXHA3184Dd3嘉泰姆 | 4Dd3嘉泰姆 | 5.5Dd3嘉泰姆 | --Dd3嘉泰姆 | 10 or 30Dd3嘉泰姆 | Open DrainDd3嘉泰姆 | ±3.5Dd3嘉泰姆 | 33Dd3嘉泰姆 | N/ADd3嘉泰姆 | SOT23-5Dd3嘉泰姆 |
CXHA3185Dd3嘉泰姆 | 3Dd3嘉泰姆 | 5.5Dd3嘉泰姆 | RemoteDd3嘉泰姆 | 10 or 2Dd3嘉泰姆 | Open DrainDd3嘉泰姆 | ±3Dd3嘉泰姆 | --Dd3嘉泰姆 | OT is set by SET0 and SET1,Dd3嘉泰姆 Thermal diode neededDd3嘉泰姆 | SOP8/MSOP8Dd3嘉泰姆 |
CXHA3186Dd3嘉泰姆 | 2.7Dd3嘉泰姆 | 5.5Dd3嘉泰姆 | LocalDd3嘉泰姆 | 10 or 30Dd3嘉泰姆 | Open DrainDd3嘉泰姆 | ±3.5Dd3嘉泰姆 | 33Dd3嘉泰姆 | OT is set by an external resistorDd3嘉泰姆 | SOT23-5/TDFN2X2-8Dd3嘉泰姆 |
CXHA3187Dd3嘉泰姆 | 2.7Dd3嘉泰姆 | 5.5Dd3嘉泰姆 | LocalDd3嘉泰姆 | 10 or 2Dd3嘉泰姆 | Open DrainDd3嘉泰姆 | ±3.5Dd3嘉泰姆 | 33Dd3嘉泰姆 | OT is set by an external resistorDd3嘉泰姆 | TDFN2X2-8/ADFN1.5X1.5-6/SOT23-5/SOT23-6Dd3嘉泰姆 |
CXHA3188Dd3嘉泰姆 | 2.7Dd3嘉泰姆 | 5.5Dd3嘉泰姆 | RemoteDd3嘉泰姆 | Set by ResistorDd3嘉泰姆 | Open DrainDd3嘉泰姆 | --Dd3嘉泰姆 | 70Dd3嘉泰姆 | 8 Remote SensorsThermistor is neededDd3嘉泰姆 | TQFN3X3-16Dd3嘉泰姆 |
CXHA3189Dd3嘉泰姆 | 2.7Dd3嘉泰姆 | 5.5Dd3嘉泰姆 | RemoteDd3嘉泰姆 | Set by ResistorDd3嘉泰姆 | Open DrainDd3嘉泰姆 | --Dd3嘉泰姆 | 42Dd3嘉泰姆 | 2 Remote SensorsThermistor is neededDd3嘉泰姆 | SOT23-8/AQFN1.5X1.5-8Dd3嘉泰姆 |
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