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ADS1286UBG4 Datasheet(PDF) 2 Page - Burr-Brown (TI) |
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ADS1286UBG4 Datasheet(HTML) 2 Page - Burr-Brown (TI) |
2 / 14 page 2 ® ADS1286 SPECIFICATIONS At TA = TMIN to TMAX, +VCC = +5V, VREF = +5V, fSAMPLE = 12.5kHz, , fCLK = 16 • fSAMPLE, unless otherwise specified. TIMING CHARACTERISTICS fCLK = 200kHz, TA = TMIN to TMAX. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS tSMPL Analog Input Sample Time See Operating Sequence 1.5 2.0 Clk Cycles tSMPL (MAX) Maximum Sampling Frequency ADS1286 20 kHz tCONV Conversion Time See Operating Sequence 12 Clk Cycles tdDO Delay TIme, DCLOCK ↓ to D OUT Data Valid See Test Circuits 85 150 ns tdis Delay TIme, CS ↑ to D OUT Hi-Z See Test Circuits 25 50 ns ten Delay TIme, DCLOCK ↓ to D OUT Enable See Test Circuits 50 100 ns thDO Output Data Remains Valid After DCLOCK ↓ CLOAD = 100pF 15 30 ns tf DOUT Fall Time See Test Circuits 70 100 ns tr DOUT Rise Time See Test Circuits 60 100 ns tCSD Delay Time, CS ↓ to DCLOCK↓ See Operating Sequence 0 ns tSUCS Delay Time, CS ↓ to DCLOCK↑ See Operating Sequence 30 ns ADS1286, ADS1286A ADS1286K, ADS1286B ADS1286C, ADS1286L PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS ANALOG INPUT Full-Scale Input Range +In – (–In) 0 VREF TT TT V Absolute Input Voltage +In –0.2 VCC +0.2 TT TT V –In –0.2 +0.2 TT TT V Capacitance 25 TT pF Leakage Current ±1 TT µA SYSTEM PERFORMANCE Resolution 12 TT Bits No Missing Codes 12 TT Bits Integral Linearity ±1 ±2 TT ±0.5 ±1 LSB Differential Linearity ±0.5 ±1.0 T ±0.75 ±0.25 ±0.75 LSB Offset Error 0.75 ±3 TT TT LSB Gain Error ±2 ±8 TT TT LSB Noise 50 TT µVrms Power Supply Rejection 82 TT dB SAMPLING DYNAMICS Conversion Time 12 TT Clk Cycles Acquisition Time 1.5 TT Clk Cycles Small Signal Bandwidth 500 TT kHz DYNAMIC CHARACTERISTICS Total Harmonic Distortion VIN = 5.0Vp-p at 1kHz –85 TT dB VIN = 5.0Vp-p at 5kHz –83 TT dB SINAD VIN = 5.0Vp-p at 1kHz 72 TT dB Spurious Free Dynamic Range VIN = 5.0Vp-p at 1kHz 90 TT dB REFERENCE INPUT REF Input Range 1.25 2.5 VCC+0.05V TTTTTT V Input Resistance CS = VCC 5000 TT M Ω CS = GND, fCLK = 0Hz 5000 TT M Ω Current Drain CS = VCC 0.01 2.5 TT TT µA tCYC ≥ 640µs, fCLK ≤ 25kHz 2.4 20 TT TT µA tCYC = 80µs, fCLK = 200kHz 2.4 20 TT TT µA DIGITAL INPUT/OUTPUT Logic Family CMOS TT Logic Levels: VIH IIH = +5µA3 +VCC TT TT V VIL IIL = +5µA 0.0 0.8 TT TT V VOH IOH = 250µA3 +VCC TT TT V VOL IOL = 250µA 0.0 0.4 TT TT V Data Format Straight Binary TT POWER SUPPLY REQUIREMENTS Power Supply Voltage VCC +4.50 5 5.25 TTTTTT V Quiescent Current, VANA tCYC ≥ 640µS, fCLK ≤ 25kHz 200 400 TT TT µA tCYC = 90µS, fCLK = 200kHz 250 500 TT TT µA Power Down CS = VCC 3 TT µA TEMPERATURE RANGE Specified Performance ADS1286, K, L 0 +70 TT TT °C ADS1286A, B, C –40 +85 TT TT °C T Specifications same as grade to the left. |
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Similar Description - ADS1286UBG4 |
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