Description:

The NTE867 is a linear inetgrated circuit that has three major sections for interfacing television tuning systems: an input op−amp, a band−select switch, and an internally referenced quad−comparator. The op−amp output voltage has a wide dynamic range with a 3mA source or sink capability and can be clamped to three discrete levels in response to logic inputs. The op−amp also has internal bias reference and phase compensation. High impedance PMOS input transistors are protected by input limiting diode clippers.

Features:

● Input op−amp: high impedance PMOS input transistors and internal reference bias

● Low input bias current and internal diode protection at op−amp inputs

● High op−amp output voltage swing (0.7−28.0V) with 3mA source sink capability

● Three op−amp output voltage logic−controlled clamp levels

● Logic−controlled bandswitching with four seperate outputs

● Two bandswitch output current sinks

● Two bandswitch current−limited output current sources

● Internally referenced quad comparator

● Low drive current input requirement

● Low output leakage

● High output current sink capability

● Bipolar and PMOS processes on a single chip