AD8333ACPZ

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Series Information for AD8333ACPZ - Analog Devices

Features

  • feature
    Dual integrated I/Q demodulator 16 phase select options on each output (22.5u00b0 per step) Quadrature demodulation accuracy Phase accuracy: u00b10.1u00b0 Amplitude balance: u00b10.05 dB Bandwidth 4 u00d7 LO: 100 kHz to 200 MHz RF: dc to 50 MHz Baseband: determined by external filtering Output dynamic range: 159 dB/Hz LO drive > 0 dBm (50 u2126); 4 u00d7 LO > 1 MHz Supply: u00b15 V Power consumption: 190 mW/channel (380 mW total) Power-down

Description

I/Q DEMODULATOR DUAL LFCSP-32

The AD83331 is a dual-phase shifter and I/Q demodulator that enables coherent summing and phase alignment of multiple analog data channels. It is the first solid-state device suitable for beamformer circuits, such as those used in high performance medical ultrasound equipment featuring CW Doppler. The RF inputs interface directly with the outputs of the dual-channel, low noise preamplifiers included in the AD8332. A divide-by-4 circuit generates the internal 0° and 90° phases of the local oscillator (LO) that drive the mixers of a pair of matched I/Q demodulators. The AD8333 can be applied as a major element in analog beamformer circuits in medical ultrasound equipment. The AD8333 features an asynchronous reset pin. When used in arrays, the reset pin sets all the LO dividers in the same state. Sixteen discrete phase rotations in 22.5° increments can be selected independently for each channel. For example, if Channel 1 is used as a reference and the RF signal applied to Channel 2 has an I/Q phase lead of 45°, Channel 2 can be phase aligned with Channel 1 by choosing the correct code.

Specifications

Frequency Min:
0Hz
Frequency Max:
50MHz
Supply Voltage Min:
4.5V
Supply Voltage Max:
6V
RF IC Case Style:
LFCSP
No. of Pins:
32Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (07-Jul-2017)
Base Number:
8333
Frequency Range:
0Hz to 50MHz
Local Oscillator Frequency Range:
10Hz to 200MHz
Operating Temperature Range:
-40°C to +85°C
RF Type:
Quadrature
Supply Voltage Range:
± 4.5V to ± 6V
Termination Type:
Surface Mount Device

Alternate Descriptions

Newark Electronics
I/Q, DEMODULATOR, DUAL, LFCSP-32; Frequency Min:0Hz; Frequency Max:50MHz; Supply Voltage Min:4.5V; Supply Voltage Max:6V; RF IC Case Style:LFCSP; No. of Pins:32Pins; Operating Temperature Min:-40°C; Operating Temperature Max:85°C; RoHS Compliant: Yes