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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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LM98640 bảng dữ liệu(PDF) 11 Page - Texas Instruments |
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LM98640 bảng dữ liệu(HTML) 11 Page - Texas Instruments |
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11 / 46 page  LM98640 www.ti.com SNAS596A – JUNE 2012 – REVISED MAY 2013 LM98640 Electrical Characteristics (1) (continued) The following specifications apply for VDD33 = 3.3V, VDD18 = 1.8V, CL = 10 pF, and fINCLK = 40 MHz unless otherwise specified. Boldface limits apply for TA = TMIN to TMAX; all other limits TA = 25°C. Symbol Parameter Conditions Typical(2) Min Max Units VCLP Reference Circuit Specification VCLP DAC Resolution 5 5 Bits VCLP DAC Step Size 98 96 102 mV VCLP Control Register = VCLP DAC Voltage Min Output 224 194 298 mV 0110 0000 VVCLP VCLP Control Register = VCLP DAC Voltage Max Output 3.07 2.99 3.11 V 0111 1101 VCLP Control Register = ISC VCLP DAC Short Circuit Output Current 33 mA 011x xxxx Coarse Analog Offset DAC Specifications Resolution ±8 Bits Offset Adjustment Range Referred to Minimum DAC Code = 0x000 -262 AFE Input mV Maximum DAC Code = 0x1FF 263 CDS Gain = 1x Offset Adjustment Range Referred to Minimum DAC Code = 0x000 -131 AFE Input mV Maximum DAC Code = 0x1FF 131 CDS Gain = 2x Minimum DAC Code = 0x000 -2146 Offset Adjustment Range LSB Referred to AFE Output Maximum DAC Code = 0x1FF 2154 DAC Step Size mV Input Referred 1 CDS Gain = 1x DAC Step Size LSB Output Referred 8 CDS Gain = 1x DNL Differential Non-Linearity CDS Gain = 1x or 2x 40 MHz ±0.97 LSB INL Integral Non-Linearity CDS Gain = 1x or 2x 40 MHz ±1.5 LSB Fine Analog Offset DAC Specifications Resolution ±8 Bits Offset Adjustment Range Referred to Minimum DAC Code = 0x000 -4.6 AFE Input mV Maximum DAC Code = 0x1FF 5.3 CDS Gain = 1x Offset Adjustment Range Referred to Minimum DAC Code = 0x000 -2.3 AFE Input mV Maximum DAC Code = 0x1FF 2.6 CDS Gain = 2x Minimum DAC Code = 0x000 -38 Offset Adjustment Range LSB Referred to AFE Output Maximum DAC Code = 0x1FF 43 DAC Step Size Input Referred 20 uV CDS Gain = 1x DAC Step Size 0.16 Output Referred LSB CDS Gain = 1x DNL Differential Non-Linearity ±1 LSB INL Integral Non-Linearity ±2.2 LSB Copyright © 2012–2013, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links: LM98640 |
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Mô tả tương tự - LM98640 |
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