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Series Information for AD600ARZ - Analog Devices


  • feature
    2 channels with independent gain control Linear in dB gain response 2 gain ranges AD600: 0 dB to 40 dB AD602: u201310 dB to +30 dB Accurate absolute gain: u00b10.3 dB Low input noise: 1.4 nV/u221aHz Low distortion: u221260 dBc THD at u00b11 V output High bandwidth: dc to 35 MHz (u22123 dB) Stable group delay: u00b12 ns Low power: 125 mW (maximum) per amplifier Signal gating function for each amplifier Drive high speed ADCs MIL-STD-883-compliant and DESC versions available



The AD600/AD6021 dual-channel, low noise, variable gain amplifiers are optimized for use in ultrasound imaging systems but are applicable to any application requiring precise gain, low noise and distortion, and wide bandwidth. Each independent channel provides a gain of 0 dB to +40 dB in the AD600 and −10 dB to +30 dB in the AD602. The lower gain of the AD602 results in an improved signal-to-noise ratio (SNR) at the output. However, both products have the same 1.4 nV/√Hz input noise spectral density. The decibel gain is directly proportional to the control voltage, accurately calibrated, and supply and temper- ature stable. To achieve the difficult performance objectives, a proprietary circuit form, the X-AMP®, was developed. Each channel of the X-AMP comprises a variable attenuator of 0 dB to −42.14 dB followed by a high speed fixed gain amplifier. In this way, the amplifier never has to cope with large inputs and can benefit from the use of negative feedback to precisely define the gain and dynamics. The attenuator is realized as a 7-stage R-2R ladder network having an input resistance of 100 Ω, laser trimmed to ±2%. The attenuation between tap points is 6.02 dB; the gain-control circuit provides continuous interpolation between these taps. The resulting control function is linear in dB.


No. of Channels:
No. of Amplifiers:
2 Amplifier, 2Amplifiers
Operating Temperature Min:
Operating Temperature Max:
Supply Voltage Range:
± 4.75V to ± 5.25V
Amplifier Case Style:
No. of Pins:
Product Range:
AD600 Series
Automotive Qualification Standard:
RoHS Phthalates Compliant:
MSL 1 - Unlimited
No SVHC (07-Jul-2017)
Amplifer Supply Voltage:
± 4.75V to ± 5.25V
Supply Voltage Max:
Supply Voltage Min:

Alternate Descriptions

RS Components
Variable Gain Amp Dual5.25V
RS Components UK
Variable Gain Amp Dual5.25V
RS Components DE
Spannungsgesteuerter Verstärker AD600ARZ, 2 No SOIC W 16-Pin 30dB CMRR Stromversorgungs-Typ : Dual Versorgungsspannung bipolar typ. : ±5V Eingangswiderstand max. : 105Ω Montage-Typ : SMD Betriebstemperatur max. : +85 °C Abmessungen : 10.5 x 7.6 x 2.35mm Länge : 10.5mm Betriebstemperatur min. : -40 °C Breite : 7.6mm, Analog Devices
RS Components HK
Variable Gain Amp Dual5.25V
RS Components JP
RS Components FR
Variable Gain Amp Dual5.25V
RS Components CN
Variable Gain Amp Dual5.25V
RS Components ES
Variable Gain Amp Dual5.25V
RS Components NL
Variable Gain Amp Dual5.25V
RS Components NO
Variable Gain Amp Dual5.25V
RS Components US
Variable Gain Amp Dual5.25V
RS Components SG
Variable Gain Amp Dual5.25V
RS Components TW
Variable Gain Amp Dual5.25V