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
Features
Y Y Y Y Y Y
TTL and CMOS compatible logic levels Microprocessor compatible Gain error 0 5% max Binary or scope knob gains Wide supply range a 5V to g 18V Packaged in 16-pin DIP
Block Diagram and Typical.
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LF13006 LF13007 Digital Gain Set
February 1995
LF13006 LF13007 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 uncommitted 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 ar
LF13007 Datasheet
