Datasheet Analog Devices ADA4530-1 — Datenblatt

Femtoampere Input Bias Current
Electrometer Amplifier
ADA4530-1 Data Sheet
FEATURES PIN CONNECTION DIAGRAM
+IN 1 8 –IN GRD 2 7 GRD IC 3 6 OUT V– 4 5 V+ NOTES
1. IC = INTERNAL CONNECTION. THIS
PIN MUST BE CONNECTED TO V–
OR LEFT UNCONNECTED. 13405-001 ADA4530-1 Low input bias current
±20 fA maximum at TA = 25°C (guaranteed at production test)
±20 fA maximum at −40°C < TA < +85°C
±250 fA maximum at −40°C < TA < +125°C (guaranteed at
production test)
Low offset voltage: 50 µV maximum over specified CMRR range
Offset voltage drift: ±0.13 µV/°C typical, ±0.5 µV/°C maximum
Integrated guard buffer with 100 µV maximum offset
Low voltage noise density: 14 nV/√Hz at 10 kHz
Wide bandwidth: 2 MHz unity-gain crossover
Supply voltage: 4.5 V to 16 V (±2.25 V to ±8 V)
Operating temperature: −40°C to +125°C
Long-term offset voltage drift (10,000 hours): 0.5 µV typical
Temperature hysteresis: 1.5 µV typical Figure 1. APPLICATIONS
Laboratory and analytical instrumentation: spectrophotometers, chromatographs, mass spectrometers, and
potentiostatic and amperostatic coulometry …

Femtoampere Input Bias Current
Electrometer Amplifier
ADA4530-1 Data Sheet
FEATURES PIN CONNECTION DIAGRAM
+IN 1 8 –IN GRD 2 7 GRD IC 3 6 OUT V– 4 5 V+ NOTES
1. IC = INTERNAL CONNECTION. THIS
PIN MUST BE CONNECTED TO V–
OR LEFT UNCONNECTED. 13405-001 ADA4530-1 Low input bias current
±20 fA maximum at TA = 25°C (guaranteed at production test)
± 20 fA maximum at −40°C < TA < +85°C
± 250 fA maximum at −40°C < TA < +125°C (guaranteed at
production test)
Low offset voltage: 50 μV maximum over specified CMRR range
Offset drift: 0.13 μV/°C typical, 0.5 μV/°C maximum
Integrated guard buffer with 100 μV maximum offset
Low voltage noise density: 14 nV/√Hz at 10 kHz
Wide bandwidth: 2 MHz unity-gain crossover
Supply voltage: 4.5 V to 16 V (±2.25 V to ±8 V)
Operating temperature: −40°C to +125°C Figure 1. APPLICATIONS
Laboratory and analytical instrumentation:
spectrophotometers, chromatographs, mass
spectrometers, and potentiostatic and amperostatic
coulometry …