DESCRIPTION

· The ADR4520/ADR4525/ADR4530/ADR4533/ADR4540/ADR4550 are high precision, low power, low noise voltage references.

· They feature ±0.02% maximum initial error for B, C, and D grades, excellent temperature stability, and low output noise.

· These devices use an innovative core topology for high accuracy, industry-leading temperature stability, and noise performance.

· They have low thermally induced output voltage hysteresis and low long-term output voltage drift, enhancing system accuracy over time and temperature variations.

· With a maximum operating current of 950 μA and a maximum low dropout voltage of 300 mV, they are well-suited for portable equipment.

· Available in 8-lead SOIC and LCC packages, specified over the extended industrial temperature range of −40°C to +125°C.

· The ADR4525W is qualified for automotive applications.

FEATURES

· Maximum temperature coefficient (TCVOUT): 0.8 ppm/°C (D grade), 1 ppm/°C (C grade), 2 ppm/°C (B grade), 4 ppm/°C (A grade).

· Output noise (0.1 Hz to 10 Hz): 1 μV p-p at VOUT of 2.048 V typical.

· Initial output voltage error: B, C, D grade: ±0.02% (maximum).

· Input voltage range: 3 V to 15 V.

· Operating temperature: A grade and B grade: −40°C to +125°C; C grade and D grade: 0°C to +70°C.

· Output current: +10 mA source/ −10 mA sink.

· Low quiescent current: 950 μA (maximum).

· Low dropout voltage: 300 mV at 2 mA (VOUT ≥ 3 V).

· 8-lead SOIC and LCC packages.

· AEC-Q100 qualified for automotive applications.

· Long-term drift: 8 ppm typical at 4500 hours.

APPLICATIONS

· Precision data acquisition systems.

· High resolution data converters.

· High precision measurement devices.

· Industrial instrumentation.

· Medical devices.

· Automotive battery monitoring.