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ADS8508 bảng dữ liệu(PDF) 2 Page - Texas Instruments |
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ADS8508 bảng dữ liệu(HTML) 2 Page - Texas Instruments |
2 / 27 page www.ti.com ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS ADS8508 SLAS433 – SEPTEMBER 2005 PACKAGE/ORDERING INFORMATION(1) MINIMUM NO MINIMUM SPECIFICATION RELATIVE PACKAGE PACKAGE ORDERING TRANSPORT PRODUCT MISSING SINAD TEMPERATURE ACCURACY LEAD DESIGNATOR NUMBER MEDIA, QTY CODE (dB) RANGE (LSB) ADS8508IBDW Tube, 25 ADS8508IB ±0.45 12 72 -40°C to 85°C SO-20 DW ADS8508IBDWR Tape and Reel, 2000 (1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI website at www.ti.com. over operating free-air temperature range (unless otherwise noted)(1) ADS8508 R1IN ±25 V R2IN ±25 V Analog inputs R3IN ±25 V CAP +VANA + 0.3 V to AGND2 - 0.3 V REF Indefinite short to AGND2, momentary short to VANA DGND, AGND2 ±0.3 V VANA 6 V Ground voltage differences VDIG to VANA 0.3 V VDIG 6 V Digital inputs -0.3 V to +VDIG + 0.3 V Maximum junction temperature 165°C Storage temperature range –65°C to 150°C Internal power dissipation 700 mW Lead temperature (soldering, 10s) 260°C (1) All voltage values are with respect to network ground terminal. At T A = -40°C to 85°C, fs = 250 kHz, VDIG = VANA = 5 V, using internal reference and fixed resistors (See Figure 28 and Figure 29) (unless otherwise specified) ADS8508IB PARAMETER TEST CONDITIONS UNIT MIN TYP MAX Resolution 12 Bits ANALOG INPUT Voltage ranges(1) Impedance(1) Capacitance 50 pF THROUGHPUT SPEED Conversion cycle Acquire and convert 4 µs Throughput rate 250 kHz DC ACCURACY INL Integral linearity error -0.45 0.45 LSB(2) DNL Differential linearity error -0.45 0.45 LSB No missing codes 12 Bits Transition noise(3) 0.1 LSB (1) ±10 V, 0 V to 5 V, etc. (see Table 3) (2) LSB means least significant bit. For the ±10-V input range, one LSB is 4.88 mV. (3) Typical rms noise at worst case transitions and temperatures. 2 |
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Mô tả tương tự - ADS8508 |
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