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AD7875 データシート(PDF) 4 Page - Analog Devices |
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AD7875 データシート(HTML) 4 Page - Analog Devices |
4 / 28 page AD7870/AD7875/AD7876 Rev. C | Page 4 of 28 ADN78701 Parameter J, A K, B L, C T Units Test Conditions/Comments CONVERSION TIME External Clock (fCLK = 2.5 MHz) 8 8 8 8 μs max Internal Clock6 6.5/9 6.5/9 6.5/9 6.5/9 μs min/ μs max POWER REQUIREMENTS VDD +5 +5 +5 +5 V nom ±5% for specified performance VSS −5 −5 −5 −5 V nom ±5% for specified performance IDD 13 13 13 13 mA max Typically 8 mA ISS 6 6 6 6 mA max Typically 4 mA Power Dissipation 95 95 95 95 mW max Typically 60 mW 1 The temperature range for the J, K, and L versions is from 0°C to +70°C; for the A, B, and C versions is−40°C to +85°C; and for the T version is −55°C to +125°C. 2 VIN (p-p) = ±3 V. 3 SNR calculation includes distortion and noise components. 4 Measured with respect to internal reference and includes bipolar offset error. 5 Sample tested @ +25°C to ensure compliance. 6 Conversion time specification for the AD7870A device with internal clock used is 8 μs/10 μs minimum/maximum. AD7875/AD7876 SPECIFICATIONS Table 2. Parameter AD7875/AD78761 Units Test Conditions/Comments K, B L, C T DC ACCURACY Resolution 12 12 12 Bits Min Resolution for which No Missing Codes Are Guaranteed 12 12 12 Bits Integral Nonlinearity @ +25°C ±1 ±1/2 ±1 LSB max TMIN to TMAX (AD7875 Only) ±1 ±1 ±1 LSB max TMIN to TMAX (AD7876 Only) ±1 ±1/2 ±1 LSB max Differential Nonlinearity ±1 ±1 ±1.5/−1.0 LSB max Unipolar Offset Error (AD7875 Only) ±5 ±5 ±5 LSB max Bipolar Zero Error (AD7876 Only) ±6 ±2 ±6 LSB max Full-Scale Error at +25°C2 ±8 ±8 ±8 LSB max Typical full-scale error is ±1 LSB Full-Scale TC2 ±60 ±35 ±60 ppm/°C max Typical TC is ±20 ppm/°C Track-and-Hold Acquisition Time 2 2 2 μs max DYNAMIC PERFORMANCE3 (AD7875 ONLY) Signal-to-Noise Ratio4 (SNR) @ +25°C 70 72 69 dB min VIN = 10 kHz sine wave, fSAMPLE = 100 kHz TMIN to TMAX 70 71 69 dB min Typically 71.5 dB for 0 < VIN < 50 kHz Total Harmonic Distortion (THD) −80 −80 −78 dB max VIN = 10 kHz sine wave, fSAMPLE = 100 kHz Typically −86 dB for 0 < VIN < 50 kHz Peak Harmonic or Spurious Noise −80 −80 −78 dB max VIN = 10 kHz, fSAMPLE = 100 kHz Typically −86 dB for 0 < VIN < 50 kHz Intermodulation Distortion (IMD) Second Order Terms −80 −80 −78 dB max fa = 9 kHz, fb = 9.5 kHz, fSAMPLE = 50 kHz Third Order Terms −80 −80 −78 dB max fa = 9 kHz, fb = 9.5 kHz, fSAMPLE = 50 kHz |
同様の部品番号 - AD7875_15 |
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同様の説明 - AD7875_15 |
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