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SVFB21A475M Datasheet
2. All performance measurements done with 20kHz low pass filter, and where noted an A-weight filter. Failure to use such a filter will result in higher THD+N and lower SNR and Dynamic Range readings than are found in the Electrical Characteristics. The low pass filter removes out of band noise; although it is not audible it may affect dynamic specification values.
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Inaccuracies in resistors Ri and Rx (Figure 2) or Ri, R2 and Rx (Figure 3) will cause about l.50C temperature error for a l % change in resistance. Temperature coeffi- cient of 100 ppm/oC for resistors will cause about a 1.20C error for a 1000C change. RN55D or equivalent type resistors are recommended (1 %, 100 ppm/oC). Lab temperatures are generally within +20C allowing calibration without controlled ovens. Both calibration
SVFB21A475M on stock

Characteristic Symbol Value Unit
Supply Voltage, (3) to (1) Vcc 50 V
Input Voltage, (2) to (1) DDTC1 1 3ZUA DDTC123YUA DDTC123JUA DDTC143XUA DDTC143FUA DDTC143ZUA DDTC114YUA DDTC114WUA DDTC124XUA DDTC144VUA DDTC144WUA VIN -5 to +10 -5 to +12 -5 to +12 -7 to +20 -6 to +30 -5 to +30 -6 to +40 -10 to +30 -10 to +40 -15 to +40 -10 to +40 V
Output Current DDTC113ZUA DDTC123YUA DDTC123JUA DDTC143XUA DDTC143FUA DDTC143ZUA DDTC114YUA DDTC114WUA DDTC124XUA DDTC144VUA DDTC144WUA lO 100 100 100 100 100 100 70 100 50 30 30 mA
Output Current All lc (Max) 100 mA
Power Dissipation Pd 200 mW
Thermal Resistance, Junction to Ambient Air (Note l) ROJA 625 oc/w
Operating and Storage and Temperature Range T|TSTG -55 to +150 oC


The charge current is programmed using a single resistor from the PROG pin to ground. The charge current out of the BAT pin is 1000 times the current out of the PROG pin. The program resistor and the charge current are calcu- lated using the following equations: