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THS7327 Datasheet(PDF) 8 Page - Texas Instruments |
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THS7327 Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 26 page  www.ti.com THS7327 SLOS502 – SEPTEMBER 2006 ELECTRICAL CHARACTERISTICS, V A = VDD = 5 V (continued) R L = 150Ω || 5pF to GND for Monitor Output, 19kΩ || 8pF Load to GND for ADC Buffer, ADC Buffer Filter = 9MHz, SAG pin shorted to Monitor Output Pin (unless otherwise noted) TYP OVER TEMPERATURE PARAMETER TEST CONDITIONS 0 °C to –40 °C to 25 °C 25 °C UNITS MIN/MAX 70 °C 85 °C OUTPUT CHARACTERISTICS – BUFFER OUTPUT High Output Voltage Swing (Limited by input 3.4 3.1 3 3 V Min range and G = 0dB) Load = 19k Ω||8pF to Midrail Low Output Voltage Swing (Limited by input 0.14 0.24 0.27 0.28 V Max range and G = 0dB) Sourcing RL = 10 Ω to GND 110 85 80 75 mA Min Output Current Sinking RL = 10 Ω to Midrail 80 85 80 75 mA Min POWER SUPPLY – ANALOG Maximum operating voltage VA 5 5.5 5.5 5.5 V Max Minimum operating voltage VA 5 2.7 2.7 2.7 V Min Maximum quiescent current VA, DC+Shift Mode, Vin = 100 mV 118 145 148 150 mA Max Minimum quiescent current VA, DC+Shift Mode, Vin = 100 mV 118 95 92 90 mA Min Power supply rejection (+PSRR) Buffer Output 46 dB Typ POWER SUPPLY – DIGITAL Maximum operating voltage VDD 5 5.5 5.5 5.5 V Max Minimum operating voltage VDD 5 2.7 2.7 2.7 V Min Maximum quiescent current VDD, Vin = 0 V 1 2 3 3 mA Max Minimum quiescent current VDD, Vin = 0 V 1 0.5 0.4 0.4 mA Min DISABLE CHARACTERISTICS – ALL CHANNELS DISABLED Quiescent current All channels disabled (4) 1 µA Typ Turn-on time delay (tON) 5 µs Typ Time for ls to reach 50% of final value after I2C control is initiated Turn-on time delay (tOFF) 2 µs Typ HV SYNC CHARACTERISTICS(5) Schmitt Trigger Adj. Pin Voltage Reference for Schmitt Trigger 1.55 1.45/1.65 1.4/1.7 1.37/1.73 V Min/Max Schmitt Trigger Threshold Range Allowable range for Sch. Trig. Adj. 0.9 to 2 V Typ Positive Going Input Voltage Threshold Relative to Schmitt Trigger VT+ 0.25 V Typ Schmitt Trigger Threshold Schmitt Trigger VT– Negative Going Input Voltage Threshold Relative to -0.3 V Typ Schmitt Trigger Threshold Schmitt Trigger Threshold Pin Input 10 k Ω Typ Input Resistance into Control Pin Resistance H V Sync Input Impedance 10 M Ω Typ H V Sync High Output Voltage 1k Ω to GND 4.8 4.7 4.6 4.6 V Min H V Sync Low Output Voltage 1k Ω to GND 0.01 0.05 0.1 0.1 V Max H V Sync Source Current 10 Ω to GND 90 60 55 55 mA Min H V Sync Sink Current 10 Ω to VDD 50 30 27 25 mA Min H V Delay Delay from Input to Output 6.5 ns Typ H V to Buffer Output Skew No Filter on Buffer Channel 5 ns Typ (4) Note that the I2C circuitry is still active while in Disable mode. The current shown is while there is no activity with the THS7327’s I2C circuitry. (5) Schmitt Trigger threshold is defined by (VT+ – VT–)/2. 8 Submit Documentation Feedback |
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