ZHCSU14 November 2023 CC1312PSIP
PRODUCTION DATA
参数 | 测试条件 | 最小值 | 典型值 | 最大值 | 单位 | |
---|---|---|---|---|---|---|
一般参数 | ||||||
分辨率 | 8 | 位 | ||||
VDDS | 电源电压 | 任意负载,任意 VREF,预充电关闭,DAC 电荷泵开启 | 1.8 | 3.8 | V | |
外部负载(4),任意 VREF,预充电关闭,DAC 电荷泵关闭 | 2.0 | 3.8 | ||||
任意负载,VREF = DCOUPL,预充电开启 | 2.6 | 3.8 | ||||
FDAC | 时钟频率 | 缓冲器开启(建议用于外部负载) | 16 | 250 | kHz | |
缓冲器关闭(内部负载) | 16 | 1000 | ||||
电压输出稳定时间 | VREF = VDDS,缓冲器关闭,内部负载 | 13 | 1 / FDAC | |||
VREF = VDDS,缓冲器开启,外部容性负载 = 20pF(3) | 13.8 | |||||
外部容性负载 | 20 | 200 | pF | |||
外部阻性负载 | 10 | MΩ | ||||
短路电流 | 400 | µA | ||||
ZMAX | 最大输出阻抗 Vref = VDDS,缓冲器开启,CLK 250kHz | VDDS = 3.8V,DAC 电荷泵关闭 | 50.8 | kΩ | ||
VDDS = 3.0V,DAC 电荷泵开启 | 51.7 | |||||
VDDS = 3.0V,DAC 电荷泵关闭 | 53.2 | |||||
VDDS = 2.0V,DAC 电荷泵开启 | 48.7 | |||||
VDDS = 2.0V,DAC 电荷泵关闭 | 70.2 | |||||
VDDS = 1.8V,DAC 电荷泵开启 | 46.3 | |||||
VDDS = 1.8V,DAC 电荷泵关闭 | 88.9 | |||||
内部负载 - 连续时间比较器/低功耗时钟比较器 | ||||||
DNL | 微分非线性 | VREF = VDDS, 负载 = 连续时间比较器或低功耗时钟比较器 FDAC = 250kHz |
±1 | LSB(1) | ||
微分非线性 | VREF = VDDS, 负载 = 连续时间比较器或低功耗时钟比较器 FDAC = 16kHz |
±1.2 | ||||
偏移误差(2) 负载 = 连续时间比较器 |
VREF = VDDS = 3.8V | ±0.64 | LSB(1) | |||
VREF = VDDS = 3.0V | ±0.81 | |||||
VREF = VDDS = 1.8V | ±1.27 | |||||
VREF = DCOUPL,预充电开启 | ±3.43 | |||||
VREF = DCOUPL,预充电关闭 | ±2.88 | |||||
VREF = ADCREF | ±2.37 | |||||
偏移误差(2) 负载 = 低功耗时钟比较器 |
VREF = VDDS = 3.8V | ±0.78 | LSB(1) | |||
VREF = VDDS = 3.0V | ±0.77 | |||||
VREF = VDDS = 1.8V | ±3.46 | |||||
VREF = DCOUPL,预充电开启 | ±3.44 | |||||
VREF = DCOUPL,预充电关闭 | ±4.70 | |||||
VREF = ADCREF | ±4.11 | |||||
最大代码输出电压变化(2) 负载 = 连续时间比较器 |
VREF = VDDS = 3.8V | ±1.53 | LSB(1) | |||
VREF = VDDS = 3.0V | ±1.71 | |||||
VREF = VDDS = 1.8V | ±2.10 | |||||
VREF = DCOUPL,预充电开启 | ±6.00 | |||||
VREF = DCOUPL,预充电关闭 | ±3.85 | |||||
VREF = ADCREF | ±5.84 | |||||
最大代码输出电压变化(2) 负载 = 低功耗时钟比较器 |
VREF = VDDS = 3.8V | ±2.92 | LSB(1) | |||
VREF = VDDS = 3.0V | ±3.06 | |||||
VREF = VDDS = 1.8V | ±3.91 | |||||
VREF = DCOUPL,预充电开启 | ±7.84 | |||||
VREF = DCOUPL,预充电关闭 | ±4.06 | |||||
VREF = ADCREF | ±6.94 | |||||
输出电压范围(2) 负载 = 连续时间比较器 |
VREF = VDDS = 3.8V,代码 1 | 0.03 | V | |||
VREF = VDDS = 3.8V,代码 255 | 3.62 | |||||
VREF = VDDS = 3.0V,代码 1 | 0.02 | |||||
VREF = VDDS = 3.0V,代码 255 | 2.86 | |||||
VREF = VDDS = 1.8V,代码 1 | 0.01 | |||||
VREF = VDDS = 1.8V,代码 255 | 1.71 | |||||
VREF = DCOUPL,预充电关闭,代码 1 | 0.01 | |||||
VREF = DCOUPL,预充电关闭,代码 255 | 1.21 | |||||
VREF = DCOUPL,预充电开启,代码 1 | 1.27 | |||||
VREF = DCOUPL,预充电开启,代码 255 | 2.46 | |||||
VREF = ADCREF,代码 1 | 0.01 | |||||
VREF = ADCREF,代码 255 | 1.41 | |||||
输出电压范围(2) 负载 = 低功耗时钟比较器 |
VREF = VDDS = 3.8V,代码 1 | 0.03 | V | |||
VREF = VDDS = 3.8V,代码 255 | 3.61 | |||||
VREF = VDDS = 3.0V,代码 1 | 0.02 | |||||
VREF = VDDS = 3.0V,代码 255 | 2.85 | |||||
VREF = VDDS = 1.8V,代码 1 | 0.01 | |||||
VREF = VDDS = 1.8V,代码 255 | 1.71 | |||||
VREF = DCOUPL,预充电关闭,代码 1 | 0.01 | |||||
VREF = DCOUPL,预充电关闭,代码 255 | 1.21 | |||||
VREF = DCOUPL,预充电开启,代码 1 | 1.27 | |||||
VREF = DCOUPL,预充电开启,代码 255 | 2.46 | |||||
VREF = ADCREF,代码 1 | 0.01 | |||||
VREF = ADCREF,代码 255 | 1.41 | |||||
外部负载 | ||||||
INL | 积分非线性 | VREF = VDDS,FDAC = 250kHz | ±1 | LSB(1) | ||
VREF = DCOUPL,FDAC = 250kHz | ±2 | |||||
VREF = ADCREF,FDAC = 250kHz | ±1 | |||||
DNL | 微分非线性 | VREF = VDDS,FDAC = 250kHz | ±1 | LSB(1) | ||
偏移误差 | VREF = VDDS = 3.8V | ±0.40 | LSB(1) | |||
VREF = VDDS = 3.0V | ±0.50 | |||||
VREF = VDDS = 1.8V | ±0.75 | |||||
VREF = DCOUPL,预充电开启 | ±1.55 | |||||
VREF = DCOUPL,预充电关闭 | ±1.30 | |||||
VREF = ADCREF | ±1.10 | |||||
最大代码输出电压变化 | VREF = VDDS = 3.8V | ±1.00 | LSB(1) | |||
VREF = VDDS = 3.0V | ±1.00 | |||||
VREF = VDDS = 1.8V | ±1.00 | |||||
VREF = DCOUPL,预充电开启 | ±3.45 | |||||
VREF = DCOUPL,预充电关闭 | ±2.10 | |||||
VREF = ADCREF | ±1.90 | |||||
输出电压范围 负载 = 低功耗时钟比较器 |
VREF = VDDS = 3.8V,代码 1 | 0.03 | V | |||
VREF = VDDS = 3.8V,代码 255 | 3.61 | |||||
VREF = VDDS = 3.0V,代码 1 | 0.02 | |||||
VREF = VDDS = 3.0V,代码 255 | 2.85 | |||||
VREF = VDDS = 1.8V,代码 1 | 0.02 | |||||
VREF = VDDS = 1.8V,代码 255 | 1.71 | |||||
VREF = DCOUPL,预充电关闭,代码 1 | 0.02 | |||||
VREF = DCOUPL,预充电关闭,代码 255 | 1.20 | |||||
VREF = DCOUPL,预充电开启,代码 1 | 1.27 | |||||
VREF = DCOUPL,预充电开启,代码 255 | 2.46 | |||||
VREF = ADCREF,代码 1 | 0.02 | |||||
VREF = ADCREF,代码 255 | 1.42 |