Mixed Signal/Analog
Touchstone Semiconductor Introduces Two New Low-Power, Low-Voltage Comparators for Power-Sensitive Applications
Touchstone Semiconductor announced today the TS9002 dual and the TS9004 quad low power analog comparators plus 1.182-V reference integrated circuits. As an improved, pin-for-pin functional equivalent to the MAX923, the TS9002’s 3.2-µA supply current is 16% lower and its ±0.75% initial accuracy voltage reference is 25% lower in both specifications compared to the MAX923.
As aIdeal for 3V or 5V single-supply applications, the TS9002 dual and the TS9004 quad comparator can operate from single +2.5V to +11V supplies or from ±1.25V to ±5V dual supplies. Other common features include: a) an input voltage range from the negative supply rail to within 1.3V of the positive supply; b) 7-µs propagation delay; c) a push-pull output stage with 40mA source-current drive capability; and d) crowbar-current free output stage switching.
Both comparators are designed for low-voltage, low-power applications, including threshold detectors/discriminators, oscillator circuits, window comparators, level translators, and other battery-powered systems.
TS9002 Dual Comparator Key Specifications:
-Priced at $0.75 in 1000-piece quantities - $2.10 Less Expensive than MAX923!
-16% Lower Supply Current: 3.2µA vs 4.1µA
-25% Lower VREF Initial Accuracy: ±0.75% vs ±1%
-User-adjustable Hysteresis via External HYST Pin
TS9004 Quad Comparator Key Specifications:
-Priced at $1.15 in 1000-piece quantities - $0.60 Less Expensive than MAX934!
-25% Lower Supply Current: 4.1µA vs 5.5µA
-50% Lower VREF Initial Accuracy: ±1% vs ±2%
-Separate GND Pin for Output Drivers
Both parts are fully specified over the -40ºC to +85ºC temperature range. The TS9002 is available in an 8-pin MSOP package and the TS9004 is available in a narrow 16-pin SOIC package.