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ADS8370 Datasheet(PDF) 4 Page - Burr-Brown (TI) |
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ADS8370 Datasheet(HTML) 4 Page - Burr-Brown (TI) |
4 / 29 page ![]() www.ti.com ADS8370 SLAS450 – JUNE 2005 SPECIFICATIONS (continued) At –40°C to 85°C, +VA = +5 V, +VBD = +5 V or +VBD = +2.7 V, using internal or external reference, f SAMPLE = 600 kHz, unless otherwise noted. (All performance parameters are valid only after device has properly resumed from power down, see Table 2.) ADS8370IB ADS8370I PARAMETER TEST CONDITIONS UNIT MIN TYP MAX MIN TYP MAX DYNAMIC CHARACTERISTICS VIN = 4 Vp-p at 1 kHz –112 –111 Total harmonic THD VIN = 4 Vp-p at 10 kHz –111 –111 dB distortion(7)(8) VIN = 4 Vp-p at 100 kHz –92 –92 VIN = 4 Vp-p at 1 kHz 89.5 89.5 SNR Signal-to-noise ratio(7) VIN = 4 Vp-p at 10 kHz 89.5 89 dB VIN = 4 Vp-p at 100 kHz 89.5 88.5 VIN = 4 Vp-p at 1 kHz 89.5 89.5 Signal-to-noise SINAD VIN = 4 Vp-p at 10 kHz 89.5 89 dB + distortion(7)(8) VIN = 4 Vp-p at 100 kHz 87.5 87 VIN = 4 Vp-p at 1 kHz 119 119 Spurious free dynamic SFDR VIN = 4 Vp-p at 10 kHz 117 117 dB range(7) VIN = 4 Vp-p at 100 kHz 92 92 –3dB Small signal bandwidth 75 75 MHz REFERENCE INPUT Vref Reference voltage input range 2.5 4.096 4.2 2.5 4.096 4.2 V Resistance(9) 10 10 M Ω INTERNAL REFERENCE OUTPUT Vref Reference voltage range IOUT = 0 A, TA = 30°C 4.088 4.096 4.104 4.088 4.096 4.104 V Source current Static load 10 10 µA Line regulation +VA = 4.75 V to 5.25 V 2.5 2.5 mV Drift IOUT = 0 A 25 25 ppm/°C DIGITAL INPUT/OUTPUT Logic family CMOS VIH High level input voltage +VBD – 1 +VBD + 0.3 +VBD – 1 +VBD + 0.3 V VIL Low level input voltage –0.3 0.8 –0.3 0.8 V VOH High level output voltage IOH = 2 TTL loads +VBD –0.6 +VBD –0.6 V VOL Low level output voltage IOL = 2 TTL loads 0.4 0.4 V Data format: MSB first, 2's complement or straight binary (selectable via the SB/2C pin) POWER SUPPLY REQUIREMENTS +VA 4.75 5 5.25 4.75 5 5.25 V Power supply voltage +VBD 2.7 3.3 5.25 2.7 3.3 5.25 V Supply current, 600-kHz ICC +VA = 5 V 22 25 22 25 mA sample rate(10) POWER DOWN ICC(PD) Supply current, power down 2 2 µA NAP MODE ICC(NAP) Supply current, nap mode 3 3 mA Power-up time from nap 300 300 ns TEMPERATURE RANGE Specified performance –40 85 –40 85 °C (7) Measured using analog input circuit in Figure 51 and digital stimulus in Figure 56 and Figure 57 and reference voltage of 4.096 V. (8) Calculated on the first nine harmonics of the input frequency. (9) Can vary +/-30%. (10) This includes only +VA current. With +VBD = 5 V, +VBD current is typically 1 mA with a 10-pF load capacitance on the digital output pins. 4 |