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ADC122S625CIMMX bảng dữ liệu(PDF) 4 Page - Texas Instruments |
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ADC122S625CIMMX bảng dữ liệu(HTML) 4 Page - Texas Instruments |
4 / 28 page ADC122S625 SNAS451A – FEBRUARY 2008 – REVISED MARCH 2013 www.ti.com ADC122S625 Converter Electrical Characteristics (1) The following specifications apply for VA = +4.5V to 5.5V, VREF = 2.5V, fSCLK = 1.6 to 6.4 MHz, fIN = 20 kHz, CL = 25 pF, unless otherwise noted. Boldface limits apply for TA = TMIN to TMAX; all other limits are at TA = 25°C. Symbol Parameter Conditions Typical Limits Units STATIC CONVERTER CHARACTERISTICS Resolution with No Missing Codes 12 Bits Integral Non-Linearity ±0.5 ±1 LSB (max) INL Integral Non-Linearity Matching 0.02 LSB Differential Non-Linearity ±0.4 ±0.95 LSB (max) DNL Differential Non-Linearity Matching 0.02 LSB Offset Error 0.2 ±3 LSB (max) OE Offset Error Matching 0.1 LSB Positive Gain Error −2 ±5 LSB (max) Positive Gain Error Matching 0.2 LSB GE Negative Gain Error 3 ±8 LSB (max) Negative Gain Error Matching 0.2 LSB DYNAMIC CONVERTER CHARACTERISTICS SINAD Signal-to-Noise Plus Distortion Ratio fIN = 20 kHz, −0.1 dBFS 72.5 69.5 dBc (min) SNR Signal-to-Noise Ratio fIN = 20 kHz, −0.1 dBFS 73.2 71 dBc (min) THD Total Harmonic Distortion fIN = 20 kHz, −0.1 dBFS −83 −72 dBc (max) SFDR Spurious-Free Dynamic Range fIN = 20 kHz, −0.1 dBFS 84 72 dBc (min) ENOB Effective Number of Bits fIN = 20 kHz, −0.1 dBFS 11.8 11.25 bits (min) Differential Input 26 MHz Output at 70.7%FS with FPBW −3 dB Full Power Bandwidth FS Input Single-Ended Input 22 MHz ISOL Channel-to-Channel Isolation fIN < 1 MHz −90 dBc ANALOG INPUT CHARACTERISTICS −VREF V (min) VIN Differential Input Range +VREF V (max) IDCL DC Leakage Current VIN = VREF or VIN = -VREF ±1 µA (max) In Track Mode 20 pF CINA Input Capacitance In Hold Mode 3 pF See the Specification Definitions for the test CMRR Common Mode Rejection Ratio −90 dB condition 1.0 V (min) VREF Reference Voltage Range VA V (max) DIGITAL INPUT CHARACTERISTICS VIH Input High Voltage 2.4 V (min) VIL Input Low Voltage 0.8 V (max) IIN Input Current VIN = 0V or VA ±1 µA (max) CIND Input Capacitance 2 4 pF (max) DIGITAL OUTPUT CHARACTERISTICS ISOURCE = 200 µA VA − 0.02 VA − 0.2 V (min) VOH Output High Voltage ISOURCE = 1 mA VA − 0.09 V ISINK = 200 µA 0.01 0.4 V (max) VOL Output Low Voltage ISINK = 1 mA 0.08 V IOZH, IOZL TRI-STATE Leakage Current Force 0V or VA ±1 µA (max) COUT TRI-STATE Output Capacitance Force 0V or VA 2 4 pF (max) Output Coding Binary 2'S Complement (1) Tested limits are specified to TI's AOQL (Average Outgoing Quality Level). 4 Submit Documentation Feedback Copyright © 2008–2013, Texas Instruments Incorporated Product Folder Links: ADC122S625 |
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