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MSP430F6776IPZ Datasheet(PDF) 81 Page - Texas Instruments |
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MSP430F6776IPZ Datasheet(HTML) 81 Page - Texas Instruments |
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81 / 157 page  ECCN 5E002 TSPA - Technology / Software Publicly Available MSP430F677x MSP430F676x MSP430F674x www.ti.com SLAS768C – SEPTEMBER 2012 – REVISED APRIL 2013 SD24_B Power Supply and Recommended Operating Conditions MIN TYP MAX UNIT AVCC Analog supply voltage AVCC = DVCC, AVSS = DVSS = 0 V 2.4 3.6 V TA Ambient temperature -40 85 °C fSD Modulator clock frequency 0.03 2.3 MHz VI Absolute input voltage range AVSS - 1V AVCC V VIC Common-mode input voltage range AVSS - 1V AVCC V Bipolar Mode, VID = VI,A+ - VI,A- VREF/GAIN +VREF/GAIN VID,FS Differential full scale input voltage mV Unipolar Mode, VID = VI,A+ - VI,A- 0 +VREF/GAIN SD24GAINx = 1 ±900 ±930 SD24GAINx = 2 ±450 ±460 SD24GAINx = 4 ±225 ±230 SD24GAINx = 8 ±112 ±120 Differential input voltage for specified VID REFON = 1 mV SD24GAINx = 16 ±56 ±60 performance(1) SD24GAINx = 32 ±28 ±30 SD24GAINx = 64 ±14 ±14 SD24GAINx = ±7 ±7.25 128 CREF VREF load capacitance(2) SD24REFS = 1 100 nF (1) The full-scale range (FSR) is defined by VFS+ = +VREF/GAIN and VFS-= -VREF/GAIN: FSR = VFS+ - VFS-= 2*VREF/GAIN. If VREF is sourced externally, the analog input range should not exceed 80% of VFS+ or VFS-; that is, VID = 0.8 VFS- to 0.8 VFS+. If VREF is sourced internally, the given VID ranges apply. MIN values are calculated based on a VREF of 1.125V. TYP values are calculated based on a VREF of 1.16 V. (2) There is no capacitance required on VREF. However, a capacitance of 100nF is recommended to reduce any reference voltage noise. SD24_B Analog Input (1) PARAMETER TEST CONDITIONS VCC MIN TYP MAX UNIT SD24GAINx = 1 5.0 SD24GAINx = 2 5.0 SD24GAINx = 4 5.0 CI Input capacitance pF SD24GAINx = 8 5.0 SD24GAINx = 16 5.0 SD24GAINx = 32, 64, 128 5.0 SD24GAINx = 1 3 V 200 Input impedance ZI fSD24 = 1MHz SD24GAINx = 8 3 V 200 k Ω (pin A+ or A- to AVSS) SD24GAINx = 32 3 V 200 SD24GAINx = 1 3 V 300 400 Differential input impedance ZID fSD24 = 1MHz SD24GAINx = 8 3 V 400 k Ω (pin A+ to pin A-) SD24GAINx = 32 3 V 300 400 (1) All parameters pertain to each SD24_B converter. Copyright © 2012–2013, Texas Instruments Incorporated Submit Documentation Feedback 81 |
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