Datasheet MAX4373, MAX4374, MAX4375 (Maxim) - 3

MAX4373/MAX4374/MAX4375 Low-Cost, Micropower, High-Side Current-Sense Amplifier + Comparator + Reference ICs
Electrical Characteristics (continued)
(VCC = +2.7V to +28V, VRS+ = 0 to +28V, VSENSE = 0V, VRESET = 0V, RLOAD= 1MΩ, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
VSENSE = 100mV, 200 Gain = +20V/V VSENSE = 100mV, 120 Gain = +50V/V -3dB Bandwidth BW kHz VRS+ = 12V, VCC = 12V, VSENSE = 100mV, 110 CLOAD = 10pF Gain = +100V/V VSENSE = 6.25mV 50 MAX437_T +20 Gain AV MAX437_F +50 V/V MAX437_H +100 VSENSE = TA = +25°C ±0.3 ±1.7 20mV to 150mV; VCC = 12V; VRS+ = TA = -40°C to +85°C ±2.7 12V; Gain = 20, 50 Gain Accuracy ΔAV % VSENSE = TA = +25°C ±0.3 ±1.7 20mV to 100mV, VCC = 12V, VRS+ = TA = -40°C to +85°C ±2.7 12V, Gain = 100 Gain = +20V/V, VSENSE = 6.25mV to 20 100mV OUT Settling Time to 1% of VCC = 12V, µs Final Value VRS+ = 12V, VSENSE = 100mV to 20 CLOAD = 10pF 6.25mV Capacitive Load Stability No sustained oscillations 1000 pF OUT Output Resistance ROUT VSENSE = 100mV 1.5 Ω Power-Supply Rejection PSR VOUT = 2V, VRS+ > 2V 72 87 dB Power-Up Time to 1% of Final VSENSE = 100mV, CLOAD = 10pF, 0.5 ms Value VCC = 12V, VRS+ = 12V Saturation Recovery Time VCC = 12V, VRS+ = 12V, CLOAD = 10pF 0.1 ms (Note 8)
COMPARATOR
(Note 9) TA = +25°C 590 600 610 Comparator Threshold VTH mV TA = TMIN to TMAX 586 614 Comparator Hysteresis -9 mV Input Bias Current IB ±2.2 ±15 nA C Propagation Delay L = 10pF, RL = 10kΩ pull-up to 5V, 4 µs 5mV of overdrive Output Low Voltage VOL ISINK = 1mA 0.6 V www.maximintegrated.com Maxim Integrated | 3