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數(shù)據(jù)： ±1°C Remote and Local Temperature Sensor 數(shù)據(jù)表
TMP421，TMP422和TMP423是帶有內(nèi)置本地溫度傳感器的遠(yuǎn)程溫度傳感器監(jiān)視器。遠(yuǎn)程溫度傳感器二極管連接的晶體管通常是低成本，NPN或PNP型晶體管或二極管，是微控制器，微處理器或FPGA的組成部分。
遠(yuǎn)程精度為±1°C適用于多個(gè)IC制造商，無(wú)需校準(zhǔn)。雙線串行接口接受SMBus寫字節(jié)，讀字節(jié)，發(fā)送字節(jié)和接收字節(jié)命令來(lái)配置器件。
TMP421，TMP422和TMP423包括串聯(lián)電阻消除，可編程非理想因子，遠(yuǎn)程溫度測(cè)量范圍廣（最高+ 150°C）和二極管故障檢測(cè)。
TMP421，TMP422和TMP423均采用SOT23-8封裝。 TMP421C還提供DSBGA（WCSP）封裝。
| Interface |
| Local Sensor Accuracy (Max) (+/- C) |
| Temp Resolution (Max) (bits) |
| Operating Temperature Range (C) |
| Supply Voltage (Min) (V) |
| Supply Voltage (Max) (V) |
| Supply Current (Typ) (uA) |
| Supply Current (Max) (uA) |
| Features |
| Rating |
| Package Group |
| Package Size: mm2:W x L (PKG) |
| Iq (Typ) (uA) |
| TMP422 | TMP411 | TMP421 | TMP423 | TMP451 | TMP461 |
|---|---|---|---|---|---|
|
I2C SMBus |
I2C SMBus |
I2C SMBus |
I2C SMBus |
I2C SMBus |
I2C SMBus |
| 2.5 | 2.5 | 2.5 | 2.5 | 1 | 1 |
| 12 | 12 | 12 | 12 | 12 | 12 |
| -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| 2.7 | 2.7 | 2.7 | 2.7 | 1.7 | 1.7 |
| 5.5 | 5.5 | 5.5 | 5.5 | 3.6 | 3.6 |
| 400 | 400 | 400 | 400 | 35 | 35 |
| 38 | 30 | 38 | 38 | 40 | 375 |
| Shutdown |
Programmable Alert Shutdown |
Shutdown | Shutdown |
Dynamic Averaging Programmable Alert Shutdown |
Programmable Alert Remote diode fault detection |
| Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| SOT-23 |
SOIC VSSOP |
DSBGA SOT-23 |
SOT-23 | WSON | QFN |
| 8SOT-23: 8 mm2: 2.8 x 2.9(SOT-23) |
8SOIC: 29 mm2: 6 x 4.9(SOIC) 8VSSOP: 15 mm2: 4.9 x 3(VSSOP) |
See datasheet (DSBGA) 8SOT-23: 8 mm2: 2.8 x 2.9(SOT-23) |
8SOT-23: 8 mm2: 2.8 x 2.9(SOT-23) | See datasheet (WSON) | 10QFN: 4 mm2: 2 x 2(QFN) |
| 400 | 400 | 400 | 400 | 35 | |
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