参数资料
型号: ADC08060
厂商: National Semiconductor Corporation
英文描述: 8-Bit, 20 MSPS to 60 MSPS, 1.3 mW/MSPS A/D Converter
中文描述: 8位,20 MSPS的60 MSPS的,1.3毫瓦/ MSPS的A / D转换
文件页数: 13/19页
文件大小: 539K
代理商: ADC08060
Timing Diagram
Functional Description
The ADC08060 uses a new, unique architecture that
achieves over 7.4 effective bits at input frequencies up to
30 MHz.
The analog input signal that is within the voltage range set by
V
and V
is digitized to eight bits. Output format is
straight binary. Input voltages below V
will cause the
output word to consist of all zeroes. Input voltages above
V
RB
will cause the output word to consist of all ones.
Incorporating a switched capacitor bandgap, the ADC08060
exhibits a power consumption that is proportional to fre-
quency, limiting power consumption to what is needed at the
clock rate that is used. This and its excellent performance
over a wide range of clock frequencies makes it an ideal
choice as a single ADC for many 8-bit needs.
Data is acquired at the falling edge of the clock and the
digital equivalent of that data is available at the digital out-
puts 2.5 clock cycles plus t
OD
later. The ADC08060 will
convert as long as the clock signal is present. The device is
in the active state when the Power Down pin (PD) is low.
When the PD pin is high, the device is in the power down
mode, where the output pins hold the last conversion before
the PD pin went high and the device consumes just 1 mW.
Applications Information
1.0 REFERENCE INPUTS
The reference inputs V
and V
are the top and bottom of
the reference ladder, respectively. Input signals between
these two voltages will be digitized to 8 bits. External volt-
ages applied to the reference input pins should be within the
range specified in the Operating Ratings table (1.0V to (V
+
0.1V) for V
and 0V to (V
1.0V) for V
). Any device
used to drive the reference pins should be able to source
sufficient current into the V
RT
pin and sink sufficient current
from the V
RB
pin.
20006231
FIGURE 1. ADC08060 Timing Diagram
A
www.national.com
13
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ADC08060_08 制造商:NSC 制造商全称:National Semiconductor 功能描述:8-Bit, 20 MSPS to 60 MSPS, 1.3 mW/MSPS A/D Converter with Internal Sample-and-Hold
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ADC08060CIMT/NOPB 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
ADC08060CIMT/NOPB 制造商:Texas Instruments 功能描述:A/D Converter (A-D) IC
ADC08060CIMTX 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32