WS72324Q-16/TR is a quad low-power operational amplifier featuring rail-to-rail input and output capability. It is optimized for low-voltage, battery-powered applications with ultra-low quiescent current while maintaining good AC performance. The device supports single-supply operation and includes four independent op-amps in a compact QFN 3×3 mm package.
Engineering Specifications
Manufacturer
Will Semiconductor (Will Semi)
Part Number
WS72324Q-16/TR
Device Type
Quad Operational Amplifier (4 channels)
Package
QFN 3×3 mm, 16-pin, 0.5 mm pitch
Mounting Type
Surface Mount (SMD)
Electrical Characteristics
Supply Voltage Range
1.8 V to 5.5 V
Quiescent Current
42 µA typ per amplifier
Gain Bandwidth Product (GBWP)
1.5 MHz
Slew Rate
1.1 V/µs
Input Offset Voltage
±3 mV max
Offset Voltage Drift
1 µV/°C
Input Bias Current
~1 pA typ
Common Mode Rejection Ratio (CMRR)
101 dB typ
Power Supply Rejection Ratio (PSRR)
105 dB typ
Output Current (Short Circuit)
43 mA source / 47 mA sink
Total Harmonic Distortion + Noise
-102 dB @ 1 kHz
-90 dB @ 10 kHz
Input / Output Characteristics
Input Type
Rail-to-rail input
Output Type
Rail-to-rail output
Common Mode Input Range
(V−) − 0.2 V to (V+) + 0.2 V
Output Voltage Swing
Near rail-to-rail (load dependent)
Load Drive Capability
Down to 2 kΩ load
Operating Conditions
Operating Temperature Range
−40°C to +125°C
Maximum Supply Voltage
6 V
Package Mechanical Data (QFN3x3-16L)
Body Size
3.0 mm × 3.0 mm nominal
Pin Pitch
0.50 mm
Pad Width (b)
0.20 – 0.30 mm
Pad Length (L)
0.25 – 0.35 mm
Functional Features
Rail-to-rail input/output operation
Ultra-low quiescent current for battery applications
No phase reversal with overdriven inputs
No crossover distortion
High CMRR and PSRR
Stable with capacitive loads
Typical Applications
Active filters
Battery-powered systems
Portable medical devices
Gas/smoke sensing circuits
Low-side current sensing
