LTC1923EGN vs LTC1923EUH 对比
详细并排对比 LTC1923EGN 出自 Analog Devices 和 LTC1923EUH 出自 Analog Devices。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
规格对比
| 参数 | LTC1923EGN | LTC1923EUH |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 分类 | Power MOSFET Drivers | Specialized PMIC |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $9.05 | $18.15 |
| 功能 | Thermoelectric cooler (TEC) / heater PWM controller | Thermoelectric Cooler / Heater PWM Controller |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| 电源电流 | 2 mA (typical) | 2 mA (typical) |
| 开关频率 | 225 kHz (typical) | 225 kHz |
| 拓扑 | Full-bridge (H-bridge) with integrated drivers | — |
| 输出配置 | Bidirectional (heating/cooling) and unidirectional | — |
| 输出数量 | 2 complementary pairs (4 drivers total) | — |
| 封装 | 28-pin SSOP (GN) with exposed thermal pad | 32-WFQFN Exposed Pad (5x5 mm) |
| 工作温度 | -40 C to +85 C (industrial) | -40 °C to +85 °C |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 1 (unlimited floor life at <30 C / 85% RH) | 1 (unlimited) |
| Lead-Free / RoHS | Yes (PBF suffix indicates lead-free) | — |
| Technology | Bipolar / BiCMOS control logic with MOSFET gate drivers | — |
| 引脚数量 | 28 | — |
| Control Inputs | Logic-level EN, DIR, and SYNC | — |
| Output Topology | — | Full H-bridge with complementary drivers (bidirectional) |
| Drive Configuration | — | Unidirectional or bidirectional TEC / heater |
| Temperature Feedback | — | External thermistor / RTD input |
| Package Code | — | QFN-32 (UH) |
| 软启动 | — | Programmable |
| RoHS 状态 | — | Compliant (#PBF suffix) |
| Lead-Free | — | Yes (PBF suffix indicates Pb-free finish) |