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Series Information for AD8330ARQZ - Analog Devices


  • feature
    Fullydifferential signal path, alsoused withsingle-sided signals Inputs from 0.3 mV to 1 V rms, rail-to-rail outputs Differential RIN = 1 ku2126; ROUT (each output) 75 u2126 Automatic offset compensation (optional) Linear-in-dB and linear-in-magnitude gain modes 0 dB to 50 dB, for 0 V < VDBS < 1.5 V (30 mV/dB) Inverted gain mode: 50 dB to 0 dB at u221230 mV/dB u00d70.03 to u00d710 nominal gain for 15 mV < VMAG < 5 V Constant bandwidth: 150 MHz at all gains Low noise: 5 nV/u221aHz typical at maximum gain Low distortion: u2264u221262 dBc typical Low power: 20 mA typical at VS of 2.7 V to 6 V Available in a space-saving, 3 mm u00d7 3 mm LFCSP package



The AD8330 is a wideband variable gain amplifier for applications requiring a fully differential signal path, low noise, well-defined gain, and moderately low distortion, from dc to 150 MHz. The input pins can also be driven from a single-ended source. The peak differential input is ±2 V, allowing sine wave operation at 1 V rms with generous headroom. The output pins can drive single-sided loads essentially rail-to-rail. The differential output resistance is 150 Ω. The output swing is a linear function of the voltage applied to the VMAG pin that internally defaults to 0.5 V, providing a peak output of ±2 V. This can be raised to 10 V p-p, limited by the supply voltage. The basic gain function is linear-in-dB, controlled by the voltage applied to Pin VDBS. The gain ranges from 0 dB to 50 dB for control voltages between 0 V and 1.5 V—a slope of 30 mV/dB. The gain linearity is typically within ±0.1 dB. By changing the logic level on Pin MODE, the gain decreases over the same range, with an opposite slope. A second gain control port is provided at the VMAG pin and allows the user to vary the numeric gain from a factor of 0.03 to 10. All the parameters of the AD8330 have low sensitivities to temperature and supply voltages. Using VMAG, the basic 0 dB to 50 dB range can be repositioned to any value from 20 dB higher (that is, 20 dB to 70 dB) to at least 30 dB lower (that is, –30 dB to +20 dB) to suit the application, thereby providing an unprecedented gain range of over 100 dB. A unique aspect of the AD8330 is that its bandwidth and pulse response are essentially constant for all gains, over both the basic 50 dB linear-in-dB range, but also when using the linear- in-magnitude function. The exceptional stability of the HF response over the gain range is of particular value in those VGA applications where it is essential to maintain accurate gain law- conformance at high frequencies. An external capacitor at Pin OFST sets the high-pass corner of an offset reduction loop, whose frequency can be as low as 5 Hz. When this pin is grounded, the signal path becomes dc-coupled. When used to drive an ADC, an external common-mode control voltage at Pin CNTR can be driven to within 0.5 V of either ground or VS to accommodate a wide variety of requirements. By default, the two outputs are positioned at the midpoint of the supply, VS/2. Other features, such as two levels of power-down (fully off and a hibernate mode), further extend the practical value of this exceptionally versatile VGA. The AD8330 is available in 16-lead LFCSP and 16-lead QSOP packages and is specified for operation from −40°C to +85°C.


No. of Channels:
No. of Amplifiers:
1 Amplifier, 1Amplifiers
Operating Temperature Min:
Operating Temperature Max:
Supply Voltage Range:
2.7V to 6V
Amplifier Case Style:
No. of Pins:
Product Range:
AD8330 Series
Automotive Qualification Standard:
MSL 1 - Unlimited
No SVHC (07-Jul-2017)
Amplifer Supply Voltage:
2.7V to 6V
Amplifier Type:
Variable Gain
Base Number:
Gain Accuracy:
Gain Bandwidth:
Gain dB Max:
IC Generic Number:
IC Temperature Range:
Input Offset Voltage Max:
Logic Function Number:
Operating Temperature Range:
-40°C to +85°C
Rail To Rail I/O Type:
Rail-Rail Outputs
Slew Rate:
Supply Voltage + Nom:
Supply Voltage Max:
Supply Voltage Min:

Alternate Descriptions

RS Components
Single Vari Gain Amp AD8330ARQZ
Richardson RFPD
RS Components UK
Single Vari Gain Amp AD8330ARQZ
RS Components DE
Spannungsgesteuerter Verstärker AD8330ARQZ, 3 V, 5 V 1 Rail-to-Rail Output QSOP 16-Pin 55dB CMRR, Differential, Rail - Stromversorgungs-Typ : Single Eingangswiderstand max. : 1000Ω Montage-Typ : SMD Betriebstemperatur max. : +85 °C Abmessungen : 5 x 3.91 x 1.65mm Betriebstemperatur min. : -40 °C, Analog Devices
RS Components HK
Single Vari Gain Amp AD8330ARQZ
RS Components JP
Single Vari Gain Amp AD8330ARQZ
RS Components FR
Single Vari Gain Amp AD8330ARQZ
RS Components CN
Single Vari Gain Amp AD8330ARQZ
RS Components ES
Amp Simple Gananc Vari AD8330ARQZ
RS Components NL
Single Vari Gain Amp AD8330ARQZ
RS Components NO
Single Vari Gain Amp AD8330ARQZ
RS Components US
Single Vari Gain Amp AD8330ARQZ
RS Components SG
Single Vari Gain Amp AD8330ARQZ
RS Components TW
Amplificatore AD8330ARQZ