Datasheet ADHV4702-1 (Analog Devices)

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24 V to 220 V Precision Operational Amplifier Data Sheet ADHV4702-1 FEATURES TYPICAL APPLICATION CIRCUIT Wide range of operating voltages 5kΩ 100kΩ Dual-supply: ±12 V to ±110 V ADHV4702-1 +105V Asymmetrical supply operation: 24 V to 220 V Wide input common-mode voltage range: 3 V from rails VOUT High common-mode rejection ratio: 160 dB typical High A 10kΩ OL: 170 dB typical +5V –105V
-101
High slew rate –5V
47 160
74 V/μs typical
Figure 1.
24 V/μs typical with external input clamping diodes Low input bias current: 2 pA maximum
The ADHV4702-1 also has a 2 μV/°C maximum input offset
Low input offset voltage: 1 mV maximum
voltage (VOS) drift and an 8 nV/√Hz input voltage noise.
Low input offset voltage drift: 2 μV/°C maximum
The exceptional dc precision of the ADHV4702-1 is
Low input voltage noise: 8 nV/√Hz typical at 10 kHz
complemented by excellent dynamic performance with a small
Wide small signal bandwidth: 10 MHz typical
signal bandwidth of 10 MHz and a slew rate of 74 V/μs. The
Resistor adjustable quiescent current: 0.6 mA to 3 mA (VS =
ADHV4702-1 has an output current of 20 mA typical.
±110 V)
The ADHV4702-1 offers high voltage input common-mode
Unity-gain stable
swing as well as high voltage output swing, enabling precision
Thermal monitoring
high voltage use cases such as high-side current sensing. The
Small footprint: 12-lead, 7 mm × 7 mm LFCSP compliant with
ADHV4702-1 is also ideally suited for forcing a voltage in
IEC 61010-1 spacing
precision bias and control applications.
Shutdown mode
The ADHV4702-1 is available in a 12-lead, 7 mm × 7 mm lead
APPLICATIONS
frame chip scale package (LFCSP) with an exposed pad (EPAD)
High-side current sensing
compliant to international electrotechnical commission
Automated test equipment
(IEC) 61010-1 creepage and clearance standards. The copper
High voltage drivers
EPAD provides a low thermal resistance path to improve heat
Piezotransducers
dissipation and features high voltage isolation, allowing it to be
Digital-to-analog converter (DAC) output buffers
safely connected to a 0 V ground plane regardless of VCC or
Light detecting and ranging (LiDAR), avalanche photodiode
VEE voltages. The ADHV4702-1 operates over the −40°C to
(APD), single photon avalanche diode (SPAD) biasing
+85°C industrial temperature range.
GENERAL DESCRIPTION 180 AOL 160 CMRR
The ADHV4702-1 is a high voltage (220 V), unity-gain stable precision operational amplifier. The ADHV4702-1 offers high
140
input impedance with low input bias current, low input offset
120 B)
voltage, low drift, and low noise for precision demanding
(d 100 RR
applications. The next generation of proprietary semiconductor
CM 80
processes and innovative architecture from Analog Devices, Inc.,
D AN 60
enable this precision operational amplifier to operate from
OLA
symmetrical dual supplies of ±110 V, asymmetrical dual
40
supplies, or a single supply of 220 V. The ADHV4702-1
20
requires a minimum supply voltage of ±12 V from the
0
reference voltage for normal operation.
–20 0.001 0.01 0.1 1 10 100 1k 10k 100k 1M 10M
102 For precision performance, the ADHV4702-1 has a 170 dB 47-
FREQUENCY (Hz)
160 typical open-loop gain (AOL) and a 160 dB typical common- Figure 2. ADHV4702-1 Precision Performance mode rejection ratio (CMRR), as shown in Figure 2.
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Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATION CIRCUIT TABLE OF CONTENTS REVISION HISTORY FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS ±12 V TO ±110 V SUPPLY ABSOLUTE MAXIMUM RATINGS MAXIMUM POWER DISSIPATION THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION INTERNAL ELECTROSTATIC DISCHARGE (ESD) PROTECTION SLEW BOOST CIRCUIT AND PROTECTION DIGITAL GROUND (DGND) RESISTOR ADJUSTABLE QUIESCENT CURRENT (RADJ) SHUTDOWN PIN (SDB) TEMPERATURE MONITOR (TMP) OVERTEMPERATURE PROTECTION OUTPUT CURRENT DRIVE AND SHORT-CIRCUIT PROTECTION EXTERNAL COMPENSATION AND CAPACITIVE LOAD (CLOAD) DRIVING SAFE OPERATING AREA LFCSP PACKAGE AND HIGH VOLTAGE PIN SPACING EXPOSED PAD (EPAD) APPLICATIONS INFORMATION POWER SUPPLY AND DECOUPLING HIGH VOLTAGE GUARD RING HIGH VOLTAGE DAC VOLTAGE SUBTRACTOR HIGH CURRENT OUTPUT DRIVER SIGNAL RANGE EXTENDER OUTLINE DIMENSIONS ORDERING GUIDE