AK4181A vs AD7873ARQZ 对比
详细并排对比 AK4181A 出自 AKM (Asahi Kasei Microdevices) 和 AD7873ARQZ 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。
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 | AK4181A | AD7873ARQZ |
|---|---|---|
| 品牌 | AKM (Asahi Kasei Microdevices) | Analog Devices |
| 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） | $1.38 | $5.49 |
| 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 | — |
| Direct Battery Measurement | Yes | Up to 6 V |
| 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] | — |
| 封装 | TSSOP | 16-pin QSOP (RQ-16) |
| 工作温度范围 | [DATA_NEEDED: operating temperature range] | — |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | unknown | RoHS Compliant |
| 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 |
| On-Chip Temperature Sensor | — | Yes, up to +85 C |
| Touch Pressure Measurement | — | Yes |
| Digital Interface | — | Synchronous Serial |
| Lead Free Status | — | Lead Free |
| 工作温度 | — | -40 C to +85 C |