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參數(shù)資料
| 型號： | MAX2079CXE+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 16/49頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OCT ULTRASOUND RCVR 144CTBGA |
| 標準包裝： | 1,000 |
| 系列： | * |
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Low-Power, High-Performance, Fully Integrated
Octal Ultrasound Receiver (Octal LNA, VGA,
AAF, ADC, and CWD Beamformer)
MAX2079
23
Maxim Integrated
Figure 1. CWD Analog Front-End Beamformer Simplified Block Diagram
VGA and CW Mixer Operation
During normal operation, the device is configured so
that either the VGA path is enabled while the mixer array
is powered down (VGA mode), or the quadrature mixer
array is enabled while the VGA path is powered down
(CW mode). For VGA mode, set CWD to a logic-high, and
for CW mode, set CWD to a logic-low.
External Voltage Reference
Connect an external, low-noise, +2.5V reference to the
VREF pin. Bypass VREF to ground with a 0.1FF capaci-
tor as close as possible to the device. The device noise
performance is dependent on the external noise at VREF.
ADC Clock Input
The input clock interface provides for flexibility in the
requirements of the clock driver. The device accepts
a fully differential clock or single-ended logic-level
clock. The device is specified for an input sampling
25MHz to 50MHz frequency range. By default, the
internal phase-locked loop (PLL) is configured to
accept input clock frequencies from 39MHz to 50MHz.
The PLL is programmed through the PLL Sampling Rate
register (00h, Table 4). Table 5 details the complete
range of PLL sampling frequency settings.
For differential clock operation, connect a differential
clock to the CLKIN+ and CLKIN- inputs. The input
IQ
CHANNEL 1
I/Q PHASE
DIVIDER/
SELECTOR
5
LOON
LO-
LO+
CWQ
CWI
CLK
DIN
LD
CHANNEL 2
I/Q PHASE
DIVIDER/
SELECTOR
CHANNEL 3
I/Q PHASE
DIVIDER/
SELECTOR
CHANNEL 4
I/Q PHASE
DIVIDER/
SELECTOR
CHANNEL 5
I/Q PHASE
DIVIDER/
SELECTOR
CHANNEL 6
I/Q PHASE
DIVIDER/
SELECTOR
CHANNEL 7
I/Q PHASE
DIVIDER/
SELECTOR
CHANNEL 8
I/Q PHASE
DIVIDER/
SELECTOR
IQ
5
MAX2079
CONTROL
CWD PROGRAMMING SHIFT REGISTER
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| MAX207C/D | 功能描述:RS-232接口集成電路 +5V RS-232 Transceiver with 0.1 Micro Farads External Capacitors RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX207CAG | 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX207CAG+ | 功能描述:RS-232接口集成電路 5V RS232 Transceiver w/0.1uF External Cap RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX207CAG+T | 功能描述:RS-232接口集成電路 5V RS232 Transceiver w/0.1uF External Cap RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX207CAG-T | 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
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