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| 型号： | MAX2079CXE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/49页 |
| 文件大小： | 0K |
| 描述： | IC OCT ULTRASOUND RCVR 144CTBGA |
| 标准包装： | 240 |
| 系列： | * |
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Low-Power, High-Performance, Fully Integrated
Octal Ultrasound Receiver (Octal LNA, VGA,
AAF, ADC, and CWD Beamformer)
MAX2079
10
Maxim Integrated
eLeCTRICAL CHARACTeRISTICS—CLOCk AND TIMING (continued)
(VREF = 2.5V, VCC3 = 3.13V to 3.47V, VCC5 = 4.5V to 5.25V, VAVDD = VOVDD = 1.7V to 1.9V, TA = 0NC to +70NC, VGND = 0V, SHDN = 0,
CWD = 0, LOON = 0. fRF = 5MHz, 50mVP-P, ADC fCLK = 50Msps, digital HPF set to 60/64, two poles, 15/16 digital gain, VGC+ -
VGC- = -3V (minimum gain), high LNA gain. Typical values are at VREF = 2.5V, VCC3 = 3.3V, VCC5 = 4.75V, VAVDD = VOVDD = 1.8V,
VGC+ - VGC- = 0V, TA = +25NC, unless otherwise noted.) (Note 3)
Note 3: Minimum and maximum limits at TA = +25NC and +70NC are guaranteed by production test. Specifications for
TA < +25NC are guaranteed by design and/or characterization.
Note 4: Noise performance of the device is dependent on the noise contribution from VREF. Use a low-noise supply for VREF.
Note 5: This response time does not include the CW output highpass filter. When switching to VGA mode, the CW outputs stop
drawing current and the output voltage goes to the rail. If a highpass filter is used, the recovery time can be excessive
and a switching network is recommended.
Note 6: Specifications are guaranteed by design and characterization.
Note 7: See Figure 22 in the Ultrasound-Specific IMD3 Specification section.
Note 8: The LVDS CWD LO inputs are DC-coupled. See the CWD Beamformer Programming and Clocking section for details of
LO startup synchronization.
Note 9: An external 100I resistor terminates the LVDS differential signal path (LO+, LO-).
Note 10: The reference input noise is given for 8 channels, knowing that the reference-noise contributions are correlated in all 8
channels. If more channels are used, the reference noise must be reduced to get the best noise performance.
Note 11: Total on-chip power dissipation is calculated as PDISS = VCC5 x ICC5 + VCC3 x ICC3 + VAVDD x IAVDD + VOVDD x IOVDD
+ VREF x IREF + [11V - (I11V/4) x 120] x I11V. Additional power is dissipated through the off-chip 120I load resistors.
Note 12: Mixer output-voltage compliance is the range of acceptable voltages allowed on the CW mixer outputs.
Note 13: Transconductance is defined as the differential output current at baseband for each individual (I or Q) mixer output,
divided by the single-ended RF input voltage directly on a single LNA input pin (INj). This can be calculated as gmI =
(ICI+ - ICI-)/VINj and gmQ = (ICQ+ - ICQ-)/VINj; or equivalently as gmI = (VCI+ - VCI-)/(RL x VINj) and gmQ = (ICQ+ - ICQ-)/
(RL x VINj) (where j = 1, 2, …8 is a specific channel number, INj is a single LNA input pin, and RL is the load resistance
on each individual mixer output pin).
CWD LOON (LO On/Off) Timing Detail
tSU
LO+
LVDS
LO
LO-
LOON
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX2079CXE+ | 功能描述:射频接收器 8Ch Ultrasound Front End w/ADC+CW Doppler RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel |
| MAX2079CXE+T | 功能描述:射频接收器 8Ch Ultrasound Front End w/ADC+CW Doppler RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel |
| MAX207C/D | 功能描述:RS-232接口集成电路 +5V RS-232 Transceiver with 0.1 Micro Farads External Capacitors RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| MAX207CAG | 功能描述:RS-232接口集成电路 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| MAX207CAG+ | 功能描述:RS-232接口集成电路 5V RS232 Transceiver w/0.1uF External Cap RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
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