目录
产品概述 返回TOPa17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TOPa17嘉泰姆
„ Two Channels: Measures Both Remote and
Local Temperatures a17嘉泰姆
„ No Calibration Required a17嘉泰姆
„ Built-in Noise-Buster for Remote Sensor a17嘉泰姆
„ SMBus 2-Wire Serial Interface a17嘉泰姆
„ Programmable Under/Overtemperature Alarms a17嘉泰姆
„ Supports SMBus Alert Response a17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 a17嘉泰姆
„ +3V to +5.5V Supply Range a17嘉泰姆
„ Small 8-Lead SOP , MSOP and TDFN Package a17嘉泰姆
„ Remote Temperature Measurment up to 160°C
by using offset shifting method (see “Measure
Remote Temperature Higher Than 127°C” section) a17嘉泰姆
„ SMBus Inputs with Built-in MOS Switch to Prevent
Reverse Current from Bus to IC VCCa17嘉泰姆
应用范围 返回TOPa17嘉泰姆
Desktop and Notebook a17嘉泰姆
Central Office a17嘉泰姆
Computers a17嘉泰姆
Telecom Equipment a17嘉泰姆
Smart Battery Packs a17嘉泰姆
Test and Measurement a17嘉泰姆
LAN Servers a17嘉泰姆
Multi-Chip Modules a17嘉泰姆
Industrial Controllersa17嘉泰姆
技术规格书（产品PDF) 返回TOP a17嘉泰姆
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产品封装图 返回TOPa17嘉泰姆
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电路原理图 返回TOPa17嘉泰姆
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Temperature Transducera17嘉泰姆 |
Part NO.a17嘉泰姆 | VCC(V)a17嘉泰姆 min.a17嘉泰姆 | VCC(V)a17嘉泰姆 max.a17嘉泰姆 | Sensor a17嘉泰姆 Gain a17嘉泰姆 | VOUTa17嘉泰姆 (V)a17嘉泰姆 | Sensor a17嘉泰姆 Range(°C)a17嘉泰姆 | Accuracya17嘉泰姆 (°C)a17嘉泰姆 | Isupplya17嘉泰姆 (μA)a17嘉泰姆 | Notea17嘉泰姆 | Packagea17嘉泰姆 |
CXHA3174a17嘉泰姆 | 2a17嘉泰姆 | 5.5a17嘉泰姆 | -11.6a17嘉泰姆 | 2.5~0.3a17嘉泰姆 | -55~130a17嘉泰姆 | ±1a17嘉泰姆 | 18a17嘉泰姆 | Negative temperature coefficient output a17嘉泰姆 | TO126F/SC70-5(SOT353)a17嘉泰姆 |
Digital Interface Temperature Sensora17嘉泰姆 |
Part NO.a17嘉泰姆 | VCC(V)a17嘉泰姆 min.a17嘉泰姆 | VCC(V)a17嘉泰姆 max.a17嘉泰姆 | Remotea17嘉泰姆 | Locala17嘉泰姆 | Interfacea17嘉泰姆 | Slave a17嘉泰姆 Addressa17嘉泰姆 | Accuracy a17嘉泰姆 (°C)a17嘉泰姆 | Notea17嘉泰姆 | Packagea17嘉泰姆 |
CXHA3175a17嘉泰姆 | 3a17嘉泰姆 | 5.5a17嘉泰姆 | Na17嘉泰姆 | 1a17嘉泰姆 | SMBusa17嘉泰姆 | 1001XXXa17嘉泰姆 | ±2a17嘉泰姆 | 8 slave addresses 9 bits a17嘉泰姆 resolutiona17嘉泰姆 | SOP8/MSOP8/TDFN3X3-8a17嘉泰姆 |
CXHA3176a17嘉泰姆 | 3a17嘉泰姆 | 5.5a17嘉泰姆 | Na17嘉泰姆 | 1a17嘉泰姆 | SMBusa17嘉泰姆 | 1001XXXa17嘉泰姆 | ±1a17嘉泰姆 | 8 slave addresses 11 bitsa17嘉泰姆 resolutiona17嘉泰姆 | SOP8/MSOP8/TDFN3X3-8a17嘉泰姆 /TDFN3X2-8a17嘉泰姆 |
CXHA3177a17嘉泰姆 | 3a17嘉泰姆 | 3.6a17嘉泰姆 | Na17嘉泰姆 | 1a17嘉泰姆 | SMBusa17嘉泰姆 | 1001000a17嘉泰姆 | ±1a17嘉泰姆 | -10°C to 80°C±1°C(max)a17嘉泰姆 | SOT23-5a17嘉泰姆 |
CXHA3178a17嘉泰姆 | 3a17嘉泰姆 | 5.5a17嘉泰姆 | 1a17嘉泰姆 | 1a17嘉泰姆 | SMBusa17嘉泰姆 | 1001100a17嘉泰姆 | ±1a17嘉泰姆 | Support transitor modea17嘉泰姆 | SOP8/MSOP8a17嘉泰姆 |
CXHA3179a17嘉泰姆 | 3a17嘉泰姆 | 5.5a17嘉泰姆 | 1a17嘉泰姆 | 1a17嘉泰姆 | SMBusa17嘉泰姆 | 1001100a17嘉泰姆 | ±1a17嘉泰姆 | Remote up to 160°Ca17嘉泰姆 | SOP8/MSOP8/TDFN3X3-8a17嘉泰姆 |
CXHA3180a17嘉泰姆 | 3a17嘉泰姆 | 5.5a17嘉泰姆 | Na17嘉泰姆 | 1a17嘉泰姆 | SMBusa17嘉泰姆 | 1001100a17嘉泰姆 | ±3a17嘉泰姆 | Local temperature sensora17嘉泰姆 | MSOP8a17嘉泰姆 |
CXHA3181a17嘉泰姆 | 3a17嘉泰姆 | 5.5a17嘉泰姆 | 2a17嘉泰姆 | 1a17嘉泰姆 | SMBusa17嘉泰姆 | 1001100a17嘉泰姆 | ±1a17嘉泰姆 | Support transistor modea17嘉泰姆 | MSOP10a17嘉泰姆 |
CXHA3182a17嘉泰姆 | 3a17嘉泰姆 | 5.5a17嘉泰姆 | 1a17嘉泰姆 | 1a17嘉泰姆 | SMBusa17嘉泰姆 | 1001100a17嘉泰姆 | ±1a17嘉泰姆 | SMBus inputs are built-in switch to prevent reverse leakagea17嘉泰姆 | SOP8/MSOP8/TDFN3X3-8 a17嘉泰姆 |
CXHA3183a17嘉泰姆 | 3a17嘉泰姆 | 5.5a17嘉泰姆 | 1a17嘉泰姆 | 1a17嘉泰姆 | SMBusa17嘉泰姆 | 1001100a17嘉泰姆 | ±1a17嘉泰姆 | Griffina17嘉泰姆 | SOP8 MSOP8a17嘉泰姆 |
Thermal Switcha17嘉泰姆 |
Part NO.a17嘉泰姆 | VCC(V)a17嘉泰姆 min.a17嘉泰姆 | VCC(V)a17嘉泰姆 max.a17嘉泰姆 | Sensora17嘉泰姆 | Hysterisis VCCGNDa17嘉泰姆 | Output a17嘉泰姆 Typea17嘉泰姆 | Accuracya17嘉泰姆 (°C)a17嘉泰姆 | Isupply a17嘉泰姆 (μA)a17嘉泰姆 | Notea17嘉泰姆 | Packagea17嘉泰姆 |
CXHA3184a17嘉泰姆 | 4a17嘉泰姆 | 5.5a17嘉泰姆 | --a17嘉泰姆 | 10 or 30a17嘉泰姆 | Open Draina17嘉泰姆 | ±3.5a17嘉泰姆 | 33a17嘉泰姆 | N/Aa17嘉泰姆 | SOT23-5a17嘉泰姆 |
CXHA3185a17嘉泰姆 | 3a17嘉泰姆 | 5.5a17嘉泰姆 | Remotea17嘉泰姆 | 10 or 2a17嘉泰姆 | Open Draina17嘉泰姆 | ±3a17嘉泰姆 | --a17嘉泰姆 | OT is set by SET0 and SET1,a17嘉泰姆 Thermal diode neededa17嘉泰姆 | SOP8/MSOP8a17嘉泰姆 |
CXHA3186a17嘉泰姆 | 2.7a17嘉泰姆 | 5.5a17嘉泰姆 | Locala17嘉泰姆 | 10 or 30a17嘉泰姆 | Open Draina17嘉泰姆 | ±3.5a17嘉泰姆 | 33a17嘉泰姆 | OT is set by an external resistora17嘉泰姆 | SOT23-5/TDFN2X2-8a17嘉泰姆 |
CXHA3187a17嘉泰姆 | 2.7a17嘉泰姆 | 5.5a17嘉泰姆 | Locala17嘉泰姆 | 10 or 2a17嘉泰姆 | Open Draina17嘉泰姆 | ±3.5a17嘉泰姆 | 33a17嘉泰姆 | OT is set by an external resistora17嘉泰姆 | TDFN2X2-8/ADFN1.5X1.5-6/SOT23-5/SOT23-6a17嘉泰姆 |
CXHA3188a17嘉泰姆 | 2.7a17嘉泰姆 | 5.5a17嘉泰姆 | Remotea17嘉泰姆 | Set by Resistora17嘉泰姆 | Open Draina17嘉泰姆 | --a17嘉泰姆 | 70a17嘉泰姆 | 8 Remote SensorsThermistor is neededa17嘉泰姆 | TQFN3X3-16a17嘉泰姆 |
CXHA3189a17嘉泰姆 | 2.7a17嘉泰姆 | 5.5a17嘉泰姆 | Remotea17嘉泰姆 | Set by Resistora17嘉泰姆 | Open Draina17嘉泰姆 | --a17嘉泰姆 | 42a17嘉泰姆 | 2 Remote SensorsThermistor is neededa17嘉泰姆 | SOT23-8/AQFN1.5X1.5-8a17嘉泰姆 |
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