| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 32 Pin |
| Supply Voltage (DC) | 4.50V (min) |
| Case/Package | LFCSP |
| Number of Positions | 32 Position |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage (Max) | 6 V |
| Supply Voltage (Min) | 4.5 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Unknown |
| Packaging | Each |
| Size-Height | 0.83 mm |
| Operating Temperature | -40℃ ~ 85℃ |
The AD8333ACPZ is a DC to 50MHz Dual-phase Shifter and I/Q Demodulator that enables coherent summing and phase alignment of multiple analogue data channels. It is the first solid-state device suitable for beam former 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 analogue beam former 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.
● 16 phase select options on each output (22.5° per step)
● Quadrature demodulation accuracy
● ±0.1° Phase accuracy
● ±0.05dB Amplitude balance
● 100kHz to 200MHz (4 x LO) Bandwidth
● 159dB/Hz Output dynamic range
● 190mW/channel (380mW total) Power consumption
● Power-down mode
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