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LF13007 Folha de dados(PDF) 1 Page - National Semiconductor (TI) |
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LF13007 Folha de dados(HTML) 1 Page - National Semiconductor (TI) |
1 / 8 page TLH5114 February 1995 LF13006LF13007 Digital Gain Set General Description The LF13006 and LF13007 are precision digital gain sets used for accurately setting non-inverting op amp gains Gains are set with a 3-bit digital word which can be latched in with WR and CS pins All digital inputs are TTL and CMOS compatible The LF13006 shown below will set binary scaled gains of 1 2 4 8 16 32 64 and 128 The LF13007 will set gains of 1 2 5 10 20 50 and 100 (a common attenuator sequence) In addition both versions have several taps and two uncom- mitted matching resistors that allow customization of the gain The gains are set with precision thin film resistors The low temperature coefficient of the thin film resistors and their excellent tracking result in gain ratios which are virtually in- dependent of temperature The LF13006 LF13007 used in conjunction with an amplifi- er not only satisfies the need for a digitally programmable amplifier in microprocessor based systems but is also use- ful for discrete applications eliminating the need to find 05% resistors in the ratio of 100 to 1 which track each other over temperature Features Y TTL and CMOS compatible logic levels Y Microprocessor compatible Y Gain error 05% max Y Binary or scope knob gains Y Wide supply range a 5V to g 18V Y Packaged in 16-pin DIP Block Diagram and Typical Application (LF13006) TLH5114 – 1 Note Rj 15 kX Order Number LF13006N or LF13007N See NS Package Number N16A C1995 National Semiconductor Corporation RRD-B30M115Printed in U S A |
Nº de peça semelhante - LF13007 |
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Descrição semelhante - LF13007 |
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