米6体育平台手机版_好二三四

ZHCSFU0B December 2016 – March 2021 ADS8661 , ADS8665

PRODUCTION DATA

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机械数据 (封装 | 引脚)

PW|16
- MPDS361A

散热焊盘机械数据 (封装 | 引脚)

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6.12 Typical Characteristics

at T_A = 25°C, AVDD = 5 V, DVDD = 3 V, V_REF = 4.096 V (internal), and maximum throughput (unless otherwise noted)

Figure 6-9 Input I-V Characteristic Across Input Ranges

Figure 6-11 Input Impedance Drift vs Temperature

Mean = 2046, sigma = 0, input = 0 V

Figure 6-13 DC Histogram for Mid-Scale Inputs (±12.288 V)

Mean = 2046, sigma = 0, input = 0 V

Figure 6-15 DC Histogram for Mid-Scale Inputs (±6.144 V)

Mean = 2046, sigma = 0, input = 0 V

Figure 6-17 DC Histogram for Mid-Scale Inputs (±2.56 V)

Mean = 2045, sigma = 0, input = 5.12 V

Figure 6-19 DC Histogram for Mid-Scale Inputs (0 V–10.24 V)

Mean = 2046, sigma = 0, input = 2.56 V

Figure 6-21 DC Histogram for Mid-Scale Inputs (0 V–5.12 V)

All input ranges

Figure 6-23 DNL vs Temperature

Figure 6-25 Typical INL for All Codes (All Unipolar Ranges)

Figure 6-27 INL vs Temperature (All Unipolar Ranges)

Figure 6-29 Typical Histogram for Offset Drift

Figure 6-31 Typical Histogram for Gain Error Drift

Number of points = 64k, f_IN = 1 kHz

Figure 6-33 Typical FFT Plot (All Ranges) for the ADS8661

Figure 6-35 SNR vs Input Frequency

Figure 6-37 SINAD vs Input Frequency

Figure 6-39 THD vs Input Frequency

Figure 6-41 AVDD Current vs Temperature

Figure 6-43 AVDD Current vs Temperature (During Sampling)

Figure 6-45 AVDD Current vs Temperature (Power-Down Mode)

Range = ±12.288 V

Figure 6-10 Input I-V Characteristic Across Temperature

Number of samples = 3398

Figure 6-12 Typical Distribution of Input Impedance

Mean = 2046, sigma = 0, input = 0 V

Figure 6-14 DC Histogram for Mid-Scale Inputs (±10.24 V)

Mean = 2046, sigma = 0, input = 0 V

Figure 6-16 DC Histogram for Mid-Scale Inputs (±5.12 V)

Mean = 2049, sigma = 0, input = 6.144 V

Figure 6-18 DC Histogram for Mid-Scale Inputs (0 V–12.288 V)

Mean = 2045, sigma = 0, input = 3.072 V

Figure 6-20 DC Histogram for Mid-Scale Inputs (0 V–6.144 V)

All input ranges

Figure 6-22 Typical DNL for All Codes

Figure 6-24 Typical INL for All Codes (All Bipolar Ranges)

Figure 6-26 INL vs Temperature (All Bipolar Ranges)

Figure 6-28 Offset Error vs Temperature Across Input Ranges

Figure 6-30 Gain Error vs Temperature Across Input Ranges

Figure 6-32 Gain Error vs External Resistance (R_EXT)

Number of points = 64k, f_IN = 1 kHz

Figure 6-34 Typical FFT Plot (All Ranges) for the ADS8665

f_IN = 1 kHz

Figure 6-36 SNR vs Temperature

f_IN = 1 kHz

Figure 6-38 SINAD vs Temperature

f_IN = 1 kHz

Figure 6-40 THD vs Temperature

Figure 6-42 AVDD Current vs Throughput

Figure 6-44 AVDD Current vs Temperature (Standby Mode)

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