
Japan Radio Corporation
■ GENERAL DESCRIPTION
The NJM2172 is single supply, dual OP-AMP with electric variable resistor (EVR), which contains buffer amplifier, OP-AMP, reference voltage circuit, EVR and EVR control circuit.
The reference is fixed around 1/2 V+ level internally, and only required few external parts.
The A and B EVR is control separately, and amp drive up to 100Ω(typ.) load. The NJM2172 is suitable for camcorder, CD, MD, and other audio signal process system.
■ FEATURES
● Low Power Supply Voltage V+ = 2.7 to 5.5V
● Low Operating Current Icc = 5.0mA typ.
● A/Bch EVR adjust is separately
● EVR range -3.0 to -95dB
● Drivability 100Ω typ.
● Bipolar Technology
● Package Outline SSOP14