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参数资料
| 型号： | MAX2035EVKIT |
| 厂商： | Maxim Integrated |
| 文件页数： | 9/13页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT FOR MAX2035 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | 放大器 |
| 适用于相关产品： | MAX2035 |
| 已供物品： | 板 |
Ultrasound Variable-Gain Amplifier
Pin Description (continued)
PIN
61
62
63
67
68
70
71
74
75
77
78
NAME
VGOUT5-
VG_CTL-
VG_CTL+
VGOUT4+
VGOUT4-
VGOUT3+
VGOUT3-
VGOUT2+
VGOUT2-
VGOUT1+
VGOUT1-
FUNCTION
VGA Channel 5 Inverting Differential Output
VGA Analog Gain-Control Inverting Input
VGA Analog Gain-Control Noninverting Input
VGA Channel 4 Noninverting Differential Output
VGA Channel 4 Inverting Differential Output
VGA Channel 3 Noninverting Differential Output
VGA Channel 3 Inverting Differential Output
VGA Channel 2 Noninverting Differential Output
VGA Channel 2 Inverting Differential Output
VGA Channel 1 Noninverting Differential Output
VGA Channel 1 Inverting Differential Output
VGA Clamp Mode Enable. Drive VG_CLAMP_MODE low to enable VGA clamping. VGA output
86
VG_CLAMP_MODE will be clamped at typically 2.2V P-P differential. Drive VG_CLAMP_MODE high to disable VGA
clamp mode.
94
95
99
100
—
VGIN1-
VGIN1+
VGIN2-
VGIN2+
EP
VGA Channel 1 Inverting Differential Input
VGA Channel 1 Noninverting Differential Input
VGA Channel 2 Inverting Differential Input
VGA Channel 2 Noninverting Differential Input
Exposed Pad. Internally connected to GND. Solder the exposed pad to the ground plane
using multiple vias.
Detailed Description
The MAX2035’s VGAs are optimized for high linearity,
high dynamic range, and low output-noise perfor-
mance, making this component ideal for ultrasound-
imaging applications. The VGA paths also exhibit a
channel-to-channel crosstalk of -80dB at 10MHz and an
absolute gain error of less than ±0.5dB for minimal
channel-to-channel focusing error in an ultrasound sys-
tem. Each VGA path includes circuitry for adjusting
analog gain, an output buffer with differential output
ports (VGOUT_+, VGOUT_-) for driving ADCs, and dif-
ferential input ports (VGIN_+, VGIN_-) that are ideal for
directly interfacing to the MAX2034 quad LNA. See the
Functional Diagram for details.
The VGA has an adjustable gain range from -10.5dB to
+39.5dB, achieving a total dynamic range of typically
50dB. The VGA gain can be adjusted with the differen-
tial gain-control input VG_CTL+ and VG_CTL-. Set the
differential gain-control input voltage at -2V for maxi-
mum gain and +2V for minimum gain. The differential
analog control common-mode voltage is typically 3.0V.
VGA Clamp
A clamp is provided to limit the VGA output signals to
avoid overdriving the ADC or to prevent ADC saturation.
Set VG_CLAMP_MODE low to clamp the VGA differential
outputs at 2.2V P-P . Set the VG_CLAMP_MODE high to
disable the clamp.
Power Down
The device can also be powered down with PD. Set PD
to logic-high for power-down mode. In power-down
mode, the device draws a total supply current of 27mA.
Set PD to a logic-low for normal operation
Overload Recovery
The device is also optimized for quick overload recovery
for operation under the large input signal conditions that
are typically found in ultrasound input buffer imaging
applications. See the Typical Operating Characteristics
for an illustration of the rapid recovery time from a trans-
mit-related overload.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX2036 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Ultrasound VGA Integrated with CW Octal Mixer |
| MAX2036_1 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Ultrasound VGA Integrated with CW Octal Mixer |
| MAX2036CCQ+ | 功能描述:仪表放大器 Ultrasound Variable Gain Amplifier RoHS:否 制造商:Texas Instruments 通道数量: 输入补偿电压:150 V 可用增益调整: 最大输入电阻:10 kOhms 共模抑制比（最小值）:88 dB 工作电源电压:2.7 V to 36 V 电源电流:200 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:MSOP-8 封装:Bulk |
| MAX2036CCQ+D | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX2036CCQ+T | 功能描述:仪表放大器 Ultrasound Variable Gain Amplifier RoHS:否 制造商:Texas Instruments 通道数量: 输入补偿电压:150 V 可用增益调整: 最大输入电阻:10 kOhms 共模抑制比（最小值）:88 dB 工作电源电压:2.7 V to 36 V 电源电流:200 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:MSOP-8 封装:Bulk |
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