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ISL97649AIRZ Datasheet(PDF) 7 Page - Intersil Corporation |
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ISL97649AIRZ Datasheet(HTML) 7 Page - Intersil Corporation |
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7 / 20 page  ISL97649A 7 FN7928.0 December 5, 2011 ISC Output Short Circuit Current Pull-up 150 225 mA Pull-down 150 200 mA SR Slew Rate 25 V/µs BW Gain Bandwidth -3dB gain point 20 MHz DIGITAL CONTROLLED POTENTIOMETER SETVR (Note 12) SET Voltage Resolution 8Bits SETDNL (Note 8, 9, 14) SET Differential Nonlinearity TA = +25°C ±1 LSB SETZSE (Note 10, 14) SET Zero-Scale Error TA = +25°C ±2 LSB SETFSE (Note 11,14) SET Full-Scale Error TA = +25°C ±8 LSB IRSET RSET Current 100 µA AVDD to SET AVDD to SET Voltage Attenuation 1:20 V/V FAULT DETECTION THRESHOLD VUVLO Undervoltage Lock out Threshold PVIN rising 2.25 2.33 2.41 V PVIN falling 2.125 2.20 2.27 V OVPAVDD (Note 13) Boost Overvoltage Protection Off Threshold to Shutdown IC 15.0 15.5 16.0 V TOFF Thermal Shut-Down all Channels Temperature rising 153 °C POWER SEQUENCE TIMING tssVLOGIC VLOGIC Soft-start Time 0.45 ms Iss Boost Soft-start Current 3 5.5 8 µA Electrical Specifications VIN = ENABLE = 3.3V, AVDD =8V, VLDO = 2.5V, VON =24V, VOFF = - 6V. Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued) SYMBOL PARAMETER TEST CONDITIONS MIN (Note 6) TYP (Note 7) MAX (Note 6) UNITS Serial Interface Specifications For SCL and SDA Unless Otherwise Noted. SYMBOL PARAMETER TEST CONDITIONS MIN (Note 14) TYP (Note 7) MAX (Note 14) UNITS fSCL (Note 6) SCL Frequency 400 kHz tiN (Note 6) Pulse Width Suppression Time at SDA and SCL Inputs Any pulse narrower than the max spec is suppressed 50 ns tAA SCL Falling Edge to SDA Output Data Valid SCL falling edge crossing 30% of VIN, until SDA exits the 30% to 70% of VIN window 480 ns tBUF Time the Bus Must be Free Before the Start of a New Transmission SDA crossing 70% of VCC during a STOP condition, to SDA crossing 70% of VIN during the following START condition 480 ns tLOW Clock LOW Time Measured at the 30% of VIN crossing 480 ns tHIGH Clock HIGH Time Measured at the 70% of VIN crossing 400 ns tSU:STA START Condition Set-up Time SCL rising edge to SDA falling edge; both crossing 70% of VIN 480 ns tHD:STA START Condition Hold Time From SDA falling edge crossing 30% of VIN to SCL falling edge crossing 70% of VIN 400 ns |
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