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DS90UB921-Q1 Datasheet(PDF) 7 Page - Texas Instruments |
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DS90UB921-Q1 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 57 page 7 DS90UB921-Q1 www.ti.com SNLS488 – MARCH 2016 Product Folder Links: DS90UB921-Q1 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. 6.5 Thermal Information THERMAL METRIC(1) DS90UB921-Q1 UNIT RHS (WQFN) 48 PINS RθJA Junction-to-ambient thermal resistance 29 °C/W RθJC(top) Junction-to-case (top) thermal resistance 11.7 RθJB Junction-to-board thermal resistance 5.0 ψJT Junction-to-top characterization parameter 0.1 ψJB Junction-to-board characterization parameter 6.0 RθJC(bot) Junction-to-case (bottom) thermal resistance 1.7 (1) The Electrical Characteristics tables list ensured specifications under the listed Recommended Operating Conditions except as otherwise modified or specified by the Electrical Characteristics conditions and/or Notes. Typical specifications are estimations only and are not ensured. (2) Typical values represent most likely parametric norms at nominal conditions at the time of product characterization and are not ensured. (3) Current into device pins is defined as positive. Current out of a device pin is defined as negative. Voltages are referenced to ground except VOD and ΔVOD, which are differential voltages. 6.6 DC Electrical Characteristics over operating free-air temperature range (unless otherwise noted) (1) (2) (3) PARAMETER TEST CONDITIONS PIN/FREQ. MIN TYP MAX UNIT LVCMOS I/O DC SPECIFICATIONS VIH High-level input voltage VDDIO = 3 V to 3.6 V PDB 2 VDDIO V VIL Low-level input voltage VDDIO = 3 V to 3.6 V GND 0.8 V IIN Input current VIN = 0 V or VIN = VDDIO (3 V to 3.6 V) –10 ±1 10 µA VIH High-level input voltage VDDIO = 3 V to 3.6 V DIN[23:0], HS, VS, DE, PCLK, I2S_CLK, I2S_WC, I2S_DA 2 VDDIO V VDDIO = 1.71 V to 1.89 V 0.65 × VDDIO VDDIO V VIL Low-level input voltage VDDIO = 3 V to 3.6 V GND 0.8 V VDDIO = 1.71 V to 1.89 V GND 0.35 × VDDIO V IIN Input current VIN = 0 V or VIN = VDDIO VDDIO = 3 V to 3.6 V –10 ±1 10 µA VDDIO = 1.71 V to 1.89 V –10 ±1 10 µA VOH High-level output voltage IOH = –4 mA VDDIO = 3 V to 3.6 V GPIO[3:0], GPO_REG[7:4], REM_INTB 2.4 VDDIO V VDDIO = 1.71 V to 1.89 V VDDIO – 0.45 VDDIO V VOL Low-level output voltage IOH = 4 mA VDDIO = 3 V to 3.6 V GND 0.4 V VDDIO = 1.71 V to 1.89 V GND 0.35 V IOS Output short-circuit current VOUT = 0 V –50 mA IOZ TRI-STATE output current VOUT = 0 V or VOUT = VDDIO PDB = L –10 10 µA |
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