ADS7845 5-wire Touch Screen Controller
| 参数名称 | 属性值 |
| SAR sample rate(Max)(kSPS) | 125 |
| SAR ADC resolution(Bits) | 12 |
| Supply voltage (analog)(Max) | 5.25 |
| Rating | Catalog |
| Control interface | SPI |
| Package Group | SSOP|16 |
| Operating temperature range(C) | -40 to 85 |
| Touch panel | 5-Wire |
| Approx. price(US$) | 4.20 | 1ku |
| Supply voltage (I/O VDD)(Min) | 2.7 |
| Vref (int/ext) | Ext |
| Input type | Differential,Single-Ended |
| Supply voltage (I/O VDD)(Max) | 5.5 |
| Supply voltage (analog)(Min) | 2.7 |
| ADS7845 | ADS7845E/2K5 | ADS7845EG4 | ADS7845E/2K5G4 | ADS7845E | |
|---|---|---|---|---|---|
| 描述 | ADS7845 5-wire Touch Screen Controller | 5-wire Touch Screen Controller 16-SSOP -40 to 85 | 5-wire Touch Screen Controller 16-SSOP -40 to 85 | 5-wire Touch Screen Controller 16-SSOP -40 to 85 | 触摸屏：5 线电阻式 电压基准：外部基准 分辨率（位）：12 b 接口类型：Serial 5 引线触摸屏控制器 |
| Brand Name | - | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| 是否Rohs认证 | - | 符合 | 符合 | 符合 | 符合 |
| 厂商名称 | - | Texas Instruments(德州仪器) | Texas Instruments(德州仪器) | - | Texas Instruments(德州仪器) |
| 零件包装代码 | - | SSOP | SOIC | SOIC | SSOP |
| 包装说明 | - | SSOP, | SSOP, | SSOP, | SSOP, |
| 针数 | - | 16 | 16 | 16 | 16 |
| Reach Compliance Code | - | compliant | compliant | compliant | compliant |
| ECCN代码 | - | EAR99 | EAR99 | EAR99 | EAR99 |
| 最大模拟输入电压 | - | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| 最长转换时间 | - | 6 µs | 6 µs | 6 µs | 6 µs |
| 转换器类型 | - | ADC, SUCCESSIVE APPROXIMATION | ADC, SUCCESSIVE APPROXIMATION | ADC, SUCCESSIVE APPROXIMATION | ADC, SUCCESSIVE APPROXIMATION |
| JESD-30 代码 | - | R-PDSO-G16 | R-PDSO-G16 | R-PDSO-G16 | R-PDSO-G16 |
| JESD-609代码 | - | e4 | e4 | e4 | e4 |
| 长度 | - | 4.9 mm | 4.9 mm | 4.9 mm | 4.9 mm |
| 最大线性误差 (EL) | - | 0.0488% | 0.0488% | 0.0488% | 0.0488% |
| 湿度敏感等级 | - | 2 | 2 | 2 | 2 |
| 模拟输入通道数量 | - | 1 | 1 | 1 | 1 |
| 位数 | - | 12 | 12 | 12 | 12 |
| 功能数量 | - | 1 | 1 | 1 | 1 |
| 端子数量 | - | 16 | 16 | 16 | 16 |
| 最高工作温度 | - | 85 °C | 85 °C | 85 °C | 85 °C |
| 最低工作温度 | - | -40 °C | -40 °C | -40 °C | -40 °C |
| 输出位码 | - | BINARY | BINARY | BINARY | BINARY |
| 输出格式 | - | SERIAL | SERIAL | SERIAL | SERIAL |
| 封装主体材料 | - | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| 封装代码 | - | SSOP | SSOP | SSOP | SSOP |
| 封装形状 | - | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| 封装形式 | - | SMALL OUTLINE, SHRINK PITCH | SMALL OUTLINE, SHRINK PITCH | SMALL OUTLINE, SHRINK PITCH | SMALL OUTLINE, SHRINK PITCH |
| 峰值回流温度（摄氏度） | - | 260 | 260 | 260 | 260 |
| 认证状态 | - | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| 采样速率 | - | 0.125 MHz | 0.125 MHz | 0.125 MHz | 0.125 MHz |
| 采样并保持/跟踪并保持 | - | SAMPLE | SAMPLE | SAMPLE | SAMPLE |
| 座面最大高度 | - | 1.75 mm | 1.75 mm | 1.75 mm | 1.75 mm |
| 标称供电电压 | - | 2.7 V | 2.7 V | 2.7 V | 2.7 V |
| 表面贴装 | - | YES | YES | YES | YES |
| 技术 | - | CMOS | CMOS | CMOS | CMOS |
| 温度等级 | - | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| 端子面层 | - | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| 端子形式 | - | GULL WING | GULL WING | GULL WING | GULL WING |
| 端子节距 | - | 0.64 mm | 0.635 mm | 0.635 mm | 0.64 mm |
| 端子位置 | - | DUAL | DUAL | DUAL | DUAL |
| 处于峰值回流温度下的最长时间 | - | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED |
| 宽度 | - | 3.9 mm | 3.9 mm | 3.9 mm | 3.9 mm |
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