AD7873ARQZ vs AK4181A 对比
详细并排对比 AD7873ARQZ 出自 Analog Devices 和 AK4181A 出自 AKM (Asahi Kasei Microdevices)。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。
AKM (Asahi Kasei Microdevices)
AK4181A - 4-Wire Touch Screen Controller, 12-bit SAR ADC | AKM
AK4181A ✓ 量产中规格对比
| 参数 | AD7873ARQZ | AK4181A |
|---|---|---|
| 品牌 | Analog Devices | AKM (Asahi Kasei Microdevices) |
| 分类 | ADC/DAC | ADC/DAC |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $5.49 | $1.38 |
| 分辨率 | 12 bits | — |
| Architecture | SAR (Successive Approximation) | — |
| Touch Screen Type | 4-Wire Resistive | — |
| Supply Voltage (VCC) | 2.2 V to 5.25 V | — |
| Throughput Rate | 125 kSPS | — |
| On-Chip Reference | 2.5 V | — |
| Direct Battery Measurement | Up to 6 V | Yes |
| On-Chip Temperature Sensor | Yes, up to +85 C | — |
| Touch Pressure Measurement | Yes | — |
| Digital Interface | Synchronous Serial | — |
| 封装 | 16-pin QSOP (RQ-16) | TSSOP |
| 安装类型 | Surface Mount | Surface Mount |
| Lead Free Status | Lead Free | — |
| RoHS 状态 | RoHS Compliant | unknown |
| 工作温度 | -40 C to +85 C | — |
| 功能 | — | 4-wire resistive touch screen controller |
| ADC Architecture | — | 12-bit SAR with sample-and-hold |
| Maximum Sampling Frequency | — | 125 kHz |
| Touch Panel Interface | — | 4-wire resistive |
| Pen Pressure (Z-axis) Measurement | — | Yes |
| On-Chip Voltage Reference | — | 2.5 V |
| On-Chip Thermal Sensor | — | Yes |
| Auxiliary Analog Inputs | — | 2 channels |
| 电源电压 | — | [DATA_NEEDED: supply voltage range] |
| 电源电流 | — | [DATA_NEEDED: supply current] |
| Interface to Host | — | [DATA_NEEDED: host interface type, e.g. SPI/I2C] |
| 工作温度范围 | — | [DATA_NEEDED: operating temperature range] |