Microchip MD1730 Manual


Læs nedenfor 📖 manual på dansk for Microchip MD1730 (34 sider) i kategorien Ikke kategoriseret. Denne guide var nyttig for 4 personer og blev bedømt med 4.5 stjerner i gennemsnit af 2 brugere

Side 1/34
2016 Microchip Technology Inc. DS20005586B-page 1
MD1730
Features
8-Channel Ultrasound Continuous Waveform
(CW) Transmitter with Integrated Beamformer
CW Output ±1V to ±6Vp-p with Low RON
-160 dbc/Hz Ultra-Low Phase Noise at 1 kHz
Offset and 5 MHz
8-Bit Programmable Per-Channel Beamforming
Phase Delay
8-Bit Programmable Dividers for CW Frequency
with Input Clock Frequency up to 250 Mhz
Input Clock Compatible with LVDS/SSTL or
Single-Ended LVCMOS
LVCMOS 2.5V Logic for the Control I/O pins
Fast SPI Interface Supports up to 200 MHz
SPI Interface Supports Daisy Chaining and
Broadcasting Mode
Applications
Medical Ultrasound Imaging System for
Cardiovascular Application
Ultrasound Fetal Heart Monitoring Device
Ultrasound Flow Meter
Programmable Array Pattern Generator
General Description
The MD1730 is an 8-channel ultra-low phase noise CW
transmitter with integrated beamformer. It is designed
for medical ultrasound imaging systems requiring
high-performance CW Doppler mode. The MD1730
has a dedicated signal path designed to minimize
phase noise to the output. In addition, it has a
high-speed SPI interface that enables CW
beamforming features. The outputs of the MD1730 can
swing up to ±6V and each output has a separate
programmable phase delay. Additionally, by
programming the internal frequency divider register,
the MD1730 can output different CW frequencies from
a single clock source. For instance, when the input
clock frequency is 160 MHz and the frequency divider
is set to 16, an output CW frequency of 5 MHz can be
obtained with a phase delay step size of 6.25 ns, which
translates to an angular resolution of 11.25 degrees.
Package Type
2
CLKN
VLL
EN
CBE1
SDO
CKB1
SPIB
CBE0
CKB0
GND
CLKP
EP
1
3
4
6
7
8
9
37
5
10
GND
TXRW
VGP
MD1730
6x6x0.9 mm 36-lead VQFN*
* Includes Exposed Thermal Pad (EP); see Table 3-1.
VDD
SCK
CSN
SDI
11 1512 13 14 181716
26
27
25
24
22
21
20
19
23
36 35 3134 33 28293032
VGN
CNF
VCW-
CPF
V
CW+
CW2
CW3
CW0
CW1
VGN
CW4
CW5
CW6
CW7
CNF
VCW-
CPF
VCW+
8-Channel Ultra-Low Phase Noise
Continuous Waveform Transmitter with Beamformer


Produkt Specifikationer

Mærke: Microchip
Kategori: Ikke kategoriseret
Model: MD1730

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