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TLC5942RHBR Datasheet(PDF) 4 Page - Texas Instruments |
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TLC5942RHBR Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 33 page  www.ti.com ELECTRICAL CHARACTERISTICS D (%)= I OUTn - 1 (I +I +...+I ) OUT0 OUT1 OUT15 16 ´ 100 . Deviation is calculated by the following formula: D (%)= IdealOutputCurrent - (IdealOutputCurrent) (I +I +...I +I ) OUT0 OUT1 OUT14 OUT15 16 ´ 100 Ideal current is calculated by the formula: I =41 ´ OUT(IDEAL) 1.20 R IREF (3) Line regulation is calculated by this equation: 100 (I atV =3.0V) OUTn CC (I atV =5.5V) (I atV =3.0V) OUTn CC OUTn CC - 5.5V 3V - D (%/V)= ´ (4) Load regulation is calculated by the equation: 100 3V 1V - ´ (I atV =1V) OUTn OUTn (I atV =3V) (I atV =1V) - OUTn OUTn OUTn OUTn D (%/V)= TLC5942 SBVS096B – OCTOBER 2007 – REVISED OCTOBER 2007 At VCC = 3.0 V to 5.5 V, and TA = –40°C to +85°C. Typical values at VCC = 3.3 V and TA = +25°C, unless otherwise noted. TLC5942 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VOH High-level output voltage IOH = –1 mA at GSSOUT, DCSOUT VCC – 0.4 VCC V VOL Low-level output voltage IOL = 1 mA at GSSOUT, DCSOUT 0 0.4 V VIN = VCC or GND at GSSIN, GSSCLK, IIN Input current –1 1 µA XGSLAT, DCSIN, DCSCLK, XDCLAT, BLANK No data transfer, all OUTn = OFF, DCn = 7Fh, ICC1 1 3 VOUTn = 1 V, RIREF = 10 kΩ No data transfer, all OUTn = OFF, DCn = 7Fh, ICC2 4 8 VOUTn = 1 V, RIREF = 2 kΩ Supply current mA Data transfer 30 MHz, all OUTn = ON, ICC3 14 30 DCn = 7Fh, VOUTn = 1 V, RIREF = 2 kΩ Data transfer 30 MHz, all OUTn = ON, ICC4 27 50 DCn = 7Fh, VOUTn = 1 V, RIREF = 1 kΩ All OUTn = ON, DCn = 7Fh, VOUTn = 1 V, IO(LC) Constant output current 43 49 55 mA VOUTfix = 1 V, RIREF = 1 kΩ All OUTn = OFF, DCn = 7Fh, VOUTn = 17 V, IO(LKG) Leakage output current 0.1 µA RIREF = 1 kΩ Constant current error All OUTn = ON, DCn = 7Fh, VOUTn = 1 V, ΔIO(LC) ±1.5 ±5 % (channel-to-channel)(1) VOUTfix = 1 V, RIREF = 1 kΩ Constant current error All OUTn = ON, DCn = 7Fh, VOUTn = 1 V, ΔIO(LC1) ±3 ±8 % (device-to-device)(2) VOUTfix = 1 V, RIREF = 1 kΩ All OUTn = ON, DCn = 7Fh, VOUTn = 1 V, ΔIO(LC2) Line regulation(3) ±1 ±4 %/V VOUTfix = 1 V, RIREF = 1 kΩ, VCC = 3 V to 5.5 V All OUTn = ON, DCn = 7Fh, ΔIO(LC3) Load regulation(4) ±1 ±3 %/V VOUTn = 1 V to 3 V, VOUTfix = 1 V, RIREF = 1 kΩ T(TEF) Thermal error flag threshold Junction temperature(5) +150 +162 +175 °C T(HYS) Thermal error hysteresis Junction temperature(5) +5 +10 +20 °C LED open detection VLOD All OUTn = ON 0.2 0.3 0.4 V threshold VIREF Reference voltage output RIREF = 1 kΩ 1.16 1.20 1.24 V (1) The deviation of each output from the average of OUT0–OUT15 constant current. Deviation is calculated by the formula: (2) The deviation of the OUT0–OUT15 constant current average from the ideal constant current value. (5) Not tested; specified by design. 4 Submit Documentation Feedback Copyright © 2007, Texas Instruments Incorporated Product Folder Link(s): TLC5942 |
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