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LMV1089 データシート(PDF) 8 Page - Texas Instruments |
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LMV1089 データシート(HTML) 8 Page - Texas Instruments |
8 / 37 page LMV1089 SNAS441H – SEPTEMBER 2008 – REVISED MAY 2010 www.ti.com ELECTRICAL CHARACTERISTICS 5.0V (1) (continued) Unless otherwise specified, all limits specified for TJ = 25°C, VDD = 5V, VIN = 18mVP-P, EN = VDD, pass through mode (2), Pre Amp gain = 20dB, Post Amp gain = 6dB, RL = 100kΩ, and CL = 4.7pF. LMV1089 Units Symbol Parameter Conditions (Limits) Typical(3) Limit(4) f = 300Hz 0.5 dB Maximum Gain Matching Difference AMD f = 2kHz 0.25 dB After Calibration f = 3kHz 0.5 dB TCAL Calibration Duration 790 ms (max) f = 1kHz (See TEST METHODS) 32 20 dBV FFNSE Far Field Noise Suppression Electrical f = 300Hz (See TEST METHODS) 37 22 dBV Signal-to-Noise Ratio Improvement f = 1kHz (See TEST METHODS) 24 14 dBV SNRIE Electrical f = 300Hz (See TEST METHODS) 28 15 dBV Input Referred, Input AC grounded PSRR Power Supply Rejection Ratio fRIPPLE = 217Hz (VRIPPLE = 100mVP-P) 96 85 dB (min) fRIPPLE = 1kHz (VRIPPLE = 100mVP-P) 91 80 dB (min) CMRR Common Mode Rejection Ratio f = 1kHz 62 dB VBM Microphone Bias Supply Voltage IBIAS = 1mA 2.0 V eVBM Microphone Bias Noise Level A-Weighted 10 μVRMS IBM Total Available Microphone Bias Current 1.2 mA (min) IDDQ Supply Quiescent Current VIN = 0V 1.1 1.5 mA (max) Supply Current during Calibration and IDDCP Calibrating or Programming EEPROM 30 mA (max) Programming VIN = 25mVP-P both inputs, Noise IDD Supply Current 1.1 mA (max) cancelling mode ISD Shut Down Current EN pin = GND 1.6 μA TON Turn On Time 40 ms (max) TOFF Turn Off Time 60 ms (max) DIGITAL INTERFACE CHARACTERISTICS (1) (2) Unless otherwise specified, all limits specified for TJ = 25°C, I 2CV DD within the Operating Rating (2) LMV1089 Units Symbol Parameter Conditions (Limits) Typical (3) Limit (4) EN, TM, SCL, SDA, ADR, CAL, PE 0.75xI2CVDD VIH Logic High Input Level V (min) GA0, GA1, GB0, GB1 0.6xVDD EN, TM, SCL, SDA, ADR, CAL, PE 0.25xI2CVDD VIL Logic Low Input Level V (max) GA0, GA1, GB0 0.4xVDD tsCAL CAL Setup Time 2 ms CAL Hold time until calibration is thCAL 790 ms (min) finished tsPEC PE Setup Time 2 ms thPEC PE Hold until calibration is finished 790 ms (min) (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 voltage at I2CVDD must not exceed the voltage on VDD. (3) Typical values represent most likely parametric norms at TA = +25°C, and at the Recommended Operation Conditions at the time of product characterization and are not specified. (4) Datasheet min/max specification limits are ensured by test, or statistical analysis. 8 Submit Documentation Feedback Copyright © 2008–2010, Texas Instruments Incorporated Product Folder Links: LMV1089 |
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