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TLC2552 数据表(PDF) 10 Page - Texas Instruments |
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TLC2552 数据表(HTML) 10 Page - Texas Instruments |
10 / 23 page TLC2551, TLC2552, TLC2555 5 V, LOW POWER, 12-BIT, 400 KSPS, SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTOPOWER DOWN SLAS276 –MARCH 2000 10 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 ac specifications (fi = 20 kHz) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SINAD Signal-to-noise ratio + distortion 400 KSPS, VDD = VREF = 5 V 70 72 dB THD Total harmonic distortion 400 KSPS, VDD = VREF = 5 V –84 –80 dB ENOB Effective number of bits 400 KSPS, VDD = VREF = 5 V 11.8 Bits SFDR Spurious free dynamic range 400 KSPS, VDD = VREF = 5 V –84 –80 dB Analog Input Full power bandwidth, –3 dB 1 MHz Full-power bandwidth, –1 dB 500 kHz external reference specifications PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Reference input voltage VDD = =4.5 V ~ 5.5 V VDD V Reference input impedance VDD =5 5V CS = 1, SCLK = 0 100 M Ω Reference input impedance VDD = 5.5 V CS = 0, SCLK = 20 MHz 20 25 k Ω Reference current VDD = VREF = 5.5 V 100 400 µA Reference input capacitance VDD =VREF =5 5V CS = 1, SCLK = 0 5 15 pF Reference input capacitance VDD = VREF = 5.5 V CS = 0, SCLK = 20 MHz 20 45 50 pF VREF Reference voltage VDD = =4.5 V – 5.5 V VDD V dc specification, VDD = VREF = 4.5 V to 5.5 V, SCLK frequency = 20 MHz (unless otherwise noted) PARAMETER TEST CONDITIONS MIN NOM MAX UNIT INL Integral linearity error (see Note 5) ±0.6 ±1 LSB DNL Differential linearity error See Note 4 ±0.5 ±1 LSB EO Offset error (see Note 6) See Note 4 TLC2551/52 ±1.5 LSB EO Offset error (see Note 6) See Note 4 TLC2555 ±2.5 LSB EG Gain error (see Note 6) See Note 4 TLC2551/52 ±2 LSB EG Gain error (see Note 6) See Note 4 TLC2555 ±5 LSB Et Total unadjusted error (see Note 7) See Note 4 TLC2551/52 ±2 LSB Et Total unadjusted error (see Note 7) See Note 4 TLC2555 ±5 LSB NOTES: 4. Analog input voltages greater than that applied to REFP convert as all ones (111111111111), while input voltages less than that applied to REFM convert as all zeros (0000000000). 5. Linear error is the maximum deviation from the best straight line through the A/D transfer characteristics. 6. Zero error is the difference between 000000000000 and the converted output for zero input voltage: full-scale error is the difference between 111111111111 and the converted output for full-scale input voltage. 7. Total unadjusted error comprises linearity, zero, and full-scale errors. |
类似零件编号 - TLC2552 |
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类似说明 - TLC2552 |
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