4341 BURR-BROWN | Alldatasheet
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Or, Call Customer Service at 1-800-548-6132 (USA Only) BURR-BROWN® 4341 Low Cost FEATURES DESCRIPTION @ Low cost ‘The 4341 RMS-to-DC converter features low cost @ HIGH ACCURACY: 40.2% +2mv without sacrificing performance. The 4341 computes . a DC voltage proportional to the true rms value of @ VERSATILE: AC and DC Inputs signals which may be complex waveforms, DC levels, or a combination of both. The input and output are fully protected against over- voltages and short circuits. Provisions for the external adjustment of gain, offset voltage, DC-reversal error, ad and frequency response make the 4341 versatile enough a to fill the majority of your applications. + no z Q o iv [S) Ww a mana! Arpertindutll Park + Maing Address: POBox 1450 + Tucson AZOSTO + Stet Adds: 67305, Tucson Bhd. + Tucson, AZ 8706 TOC ENT t Tw DIDSS2ATN = Cll: BERGORP > Tlx-O8G41 » FAX: (2) OOS - meds Prodct nc 80) 68122 Ee Ps338 7117
[PARAMETER SCCONDMONS + +0.5% of reading from 500mVrms to SVrms up to 10kHz. Peak Operating Voltage ‘tov = S.000VDC 42mV. capactor to minimize ripple at output. (see Figure 2). {palo og Ey? 100) = fog EB) = EAE ave ox.
7 In [7 Te ————
FIGURE 1. Simnlified Schematic
capacitor on ripple magnitude and response time. As the FIGURE3. Response Time vs Value of Averaging Capacitor. ‘ommended. (Refer to Figure 4).
- DC Reversal Error — Apply +10.000V +1mV and
- Low Level Accuracy — Apply Ey, = +10.0mV +0.1mV, (J)
adjust R, such that E = +10.0mV +0.1mV. FIGURE 2. Output Ripple Magnitude vs Input Signal Fre-
2 Jee
FIGURE 4. Expanded Trim Procedure (High Accuracy Applications).