AD8337BCPZ

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Series Information for AD8337BCPZ - Analog Devices

Features

  • feature
    Low noise Voltage noise = 2.2 nV/u221aHz Current noise = 4.8 pA/u221aHz (positive input) Wide bandwidth (u22123 dB) = 280 MHz Nominal gain range: 0 dB to 24 dB (preamp gain = 6 dB) Gain scaling: 19.7 dB/V DC-coupled Single-ended input and output High speed uncommitted op amp input Supplies: +5 V, u00b12.5 V, or u00b15 V Low power: 78 mW with u00b12.5 V supplies

Description

VGA DC COUPLED SMD LFCSP-8 8337

The AD8337 is a low noise, single-ended, linear-in-dB, general- purpose variable gain amplifier (VGA) usable at frequencies from dc to 100 MHz; the −3 dB bandwidth is 280 MHz. Excellent bandwidth uniformity across the entire gain range and low output-referred noise makes the AD8337 ideal for gain trim applications and for driving high speed analog-to- digital converters (ADCs). Excellent dc characteristics combined with high speed make the AD8337 particularly suited for industrial ultrasound, PET scanners, and video applications. Dual-supply operation enables gain control of negative-going pulses, such as those generated by photodiodes or photomultiplier tubes. The AD8337 uses the popular and versatile X-AMP® architecture, exclusively from Analog Devices, Inc., with a gain range of 24 dB. The gain control interface provides precise linear-in-dB scaling of 19.7 dB/V, referenced to VCOM. The AD8337 includes an uncommitted operational current- feedback preamplifier (PrA) that operates in inverting or noninverting configurations. Using external resistors, the device can be configured for gains of 6 dB or greater. The AD8337 is characterized by a noninverting PrA gain of 2× using two external 100 Ω resistors. The attenuator has a range of 24 dB, and the output amplifier has a fixed gain of 8× (18.06 dB). The lowest nominal gain range is 0 dB to 24 dB and can be shifted up or down by adjusting the preamp gain. Multiple AD8337 devices can be connected in series for larger gain ranges, interstage filtering to suppress noise and distortion, and nulling offset voltages. The operating temperature range of the AD8337 is −40°C to +85°C, and is available in an 8-lead, 3 mm × 3 mm LFCSP.

Specifications

No. of Channels:
1Channels
No. of Amplifiers:
1 Amplifier, 1Amplifiers
Bandwidth:
280MHz
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Supply Voltage Range:
4.5V to 10V
Amplifier Case Style:
LFCSP
No. of Pins:
8Pins
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (07-Jul-2017)
Amplifer Supply Voltage:
4.5V to 10V
Base Number:
8337
Gain Accuracy:
3.5dB
Gain Bandwidth:
280MHz
Gain dB Max:
24dB
Operating Temperature Range:
-40°C to +85°C
Supply Voltage Max:
10V
Supply Voltage Min:
4.5V
Termination Type:
Surface Mount Device