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LM49251 Datenblatt(PDF) 9 Page - Texas Instruments |
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LM49251 Datenblatt(HTML) 9 Page - Texas Instruments |
9 / 41 page LM49251 www.ti.com SNAS498A – FEBRUARY 2011 – REVISED APRIL 2013 I 2C Interface Characteristics V DD = 5V, 1.8V ≤ I 2CV DD ≤ 2.2V (1) (2) The following specifications apply for AV = 0dB, RL = 8Ω, f = 1kHz, unless otherwise specified. Limits apply for TA = 25°C. LM49251 Units Parameter Test Conditions (Limits) Typ(3) Limit(4) t1 SCL Period 2.5 μs (min) t2 SDA Set-up Time 250 ns (min) t3 SDA Stable Time 0 ns (min) t4 Start Condition Time 250 ns (min) t5 Stop Condition Time 250 ns (min) t6 SDA Hold Time 250 ns (min) VIH Digital Input High Voltage 0.7*I2CVDD V (min) VIL Digital Input Low Voltage 0.3*I2CVDD V (max) (1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur, including inoperability and degradation of device reliability and/or performance. Functional operation of the device and/or non-degradation at the Absolute Maximum Ratings or other conditions beyond those indicated in the Recommended Operating Conditions is not implied. The Recommended Operating Conditions indicate conditions at which the device is functional and the device should not be operated beyond such conditions. All voltages are measured with respect to the ground pin, unless otherwise specified (2) The Electrical Characteristics tables list specified 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. (3) Typical values represent most likely parametric norms at TA = +25ºC, and at the Recommended Operation Conditions at the time of product characterization and are not ensured. (4) Datasheet min/max specification limits are ensured by test or statistical analysis. Copyright © 2011–2013, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: LM49251 |
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