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Series Information for AD8335ACPZ - Analog Devices


  • feature
    Low noise preamplifier (PrA) Voltage noise = 1.3 nV/u221aHz typical Current noise = 2.4 pA/u221aHz typical NF = 7 dB (RS = RIN = 50 u03a9) Single-ended input; VIN maximum = 625 mV p-p Active input match Input SNR (noise bandwidth = 20 MHz) = 92 dB VGA Differential output VOUT maximum = 5 V p-p, RL = 500 u03a9 differential Gain range (8 dB output gain step) u221210 dB to +38 dBu2014low gain mode u22122 dB to +46 dBu2014high gain mode Accurate linear-in-dB gain control PrA + VGA performance u22123 dB bandwidth of 85 MHz Excellent overload performance Supply: 5 V Power consumption 95 mW/channel (380 mW total) 65 mW/channel (PrA off; 260 mW total) Power-down



The AD8335 is a quad variable gain amplifier (VGA) with low noise preamplifier intended for cost and power sensitive applications. Each channel features a gain range of 48 dB, fully differential signal paths, active input preamplifier matching, and user-selectable maximum gains of 46 dB and 38 dB. Individual gain controls are provided for each channel. The preamplifier (PrA) has a single-ended to differential gain of ×8 (18.06 dB) and accepts input signals ≤625 mV p-p. PrA noise is 1.2 nV/√Hz and the combined input referred voltage noise of the PrA and VGA is 1.3 nV/√Hz at maximum gain. Assuming a 20 MHz noise bandwidth (NBW), the Nyquist frequency for a 40 MHz ADC, the input SNR is 92 dB. The HLxx pin optimizes the output SNR for 10-bit and 12-bit ADCs with 1 V p-p or 2 V p-p full-scale (FS) inputs. Channel 1 and Channel 2 are enabled through the EN12 pin, and Channel 3 and Channel 4 are enabled through the EN34 pin. For VGA only applications, the PrAs can be powered down, significantly reducing power consumption. The AD8335 is available in a 64-lead lead frame chip scale package (9 mm × 9 mm) for the industrial temperature range of −40°C to +85°C.


No. of Channels:
No. of Amplifiers:
4 Amplifier, 4Amplifiers
Operating Temperature Min:
Operating Temperature Max:
Supply Voltage Range:
4.5V to 5.5V
Amplifier Case Style:
No. of Pins:
Product Range:
AD8335 Series
Automotive Qualification Standard:
RoHS Phthalates Compliant:
MSL 3 - 168 hours
No SVHC (07-Jul-2017)

Alternate Descriptions

RS Components
Variable Gain Amp Quad 5.5V
Newark Electronics
PROG GAIN AMP, 110MHZ, LFCSP-64; No. of Channels:4Channels; No. of Amplifiers:4 Amplifier; Bandwidth:110MHz; Operating Temperature Min:-40°C; Operating Temperature Max:85°C; Supply Voltage Range:4.5V to 5.5V; No. of Pins:64Pins RoHS Compliant: Yes
RS Components UK
Variable Gain Amp Quad 5.5V
RS Components DE
Spannungsgesteuerter Verstärker AD8335ACPZ, 5 V 4 No LFCSP 64-Pin Differential Stromversorgungs-Typ : Single Eingangswiderstand max. : 15000Ω Montage-Typ : SMD Betriebstemperatur max. : +85 °C Abmessungen : 9 x 9 x 0.83mm Länge : 9mm Betriebstemperatur min. : –40 °C, Analog Devices
RS Components HK
Variable Gain Amp Quad 5.5V
RS Components JP
RS Components FR
Variable Gain Amp Quad 5.5V
RS Components CN
Variable Gain Amp Quad 5.5V
RS Components ES
Variable Gain Amp Quad 5.5V
RS Components NL
Variable Gain Amp Quad 5.5V
RS Components NO
Variable Gain Amp Quad 5.5V
RS Components US
Variable Gain Amp Quad 5.5V
RS Components SG
Variable Gain Amp Quad 5.5V
RS Components TW
Variable Gain Amp Quad 5.5V