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LM15851 数据表(PDF) 4 Page - Texas Instruments |
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LM15851 数据表(HTML) 4 Page - Texas Instruments |
4 / 87 page VIN+ VIN ± VCM To T&H+ To T&H ± 50 50 20 k LPEAK LPEAK VA19 GND VA19 GND GND VA19 VCM Tdiode+ Tdiode± GND VA19 VBIAS LM15851 SLAS990D – JANUARY 2014 – REVISED JULY 2015 www.ti.com Pin Functions PIN EQUIVALENT CIRCUIT TYPE DESCRIPTION NAME NO. ANALOG RBIAS+ 1 External Bias Resistor Connections External bias resistor terminals. A 3.3 k Ω (±0.1%) resistor should be connected between RBIAS+ and RBIAS–. The RBIAS resistor is used as a reference for I/O internal circuits which affect the linearity of the converter. The value and precision RBIAS– 2 of this resistor should not be compromised. These pins must be isolated from all other signals and grounds. TDIODE– 63 Temperature Diode These pins are the positive (anode) and negative (cathode) diode connections for Passive die temperature measurements. Leave these pins unconnected if they are not TDIODE+ 64 used. See the Built-In Temperature Monitor Diode section for more details. Bandgap Output Voltage This pin is capable of sourcing or sinking 100 μA and can drive a load up to 80 pF. VBG 68 O Leave this pin unconnected if it is not used in the application. See the The Reference Voltage section for more details. Common Mode Voltage The voltage output at this pin must be the common-mode input voltage at the VIN+ VCMO 3 O and VIN– pins when DC coupling is used. This pin is capable of sourcing or sinking 100 μA and can drive a load up to 80 pF. Leave this pin unconnected if it is not used in the application. VIN+ 8 Signal Input The differential full-scale input range is determined by the full-scale voltage adjust I register. An internal peaking inductor (LPEAK) of 5 nH is included for parasitic VIN– 9 compensation. 4 Submit Documentation Feedback Copyright © 2014–2015, Texas Instruments Incorporated Product Folder Links: LM15851 |
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类似说明 - LM15851 |
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