参数资料
型号: MAX1182ECM+TD
厂商: Maxim Integrated Products
文件页数: 11/21页
文件大小: 0K
描述: IC ADC 10BIT 65MSPS DL 48-TQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,000
位数: 10
采样率(每秒): 65M
数据接口: 并联
转换器数目: 2
功率耗散(最大): 240mW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-TQFP 裸露焊盘
供应商设备封装: 48-TQFP 裸露焊盘(7x7)
包装: 带卷 (TR)
输入数目和类型: 4 个单端,双极;2 个差分,双极
MAX1182
Dual 10-Bit, 65Msps, 3V, Low-Power ADC
with Internal Reference and Parallel Outputs
______________________________________________________________________________________
19
Total Harmonic Distortion (THD)
THD is typically the ratio of the RMS sum of the first four
harmonics of the input signal to the fundamental itself.
This is expressed as:
where V1 is the fundamental amplitude, and V2 through
V5 are the amplitudes of the 2nd- through 5th-order
harmonics.
Spurious-Free Dynamic Range (SFDR)
SFDR is the ratio expressed in decibels of the RMS
amplitude of the fundamental (maximum signal compo-
nent) to the RMS value of the next largest spurious
component, excluding DC offset.
Intermodulation Distortion (IMD)
The two-tone IMD is the ratio expressed in decibels of
either input tone to the worst 3rd-order (or higher) inter-
modulation products. The individual input tone levels
are backed off by 6.5dB from full scale.
THD
VVVV
V
+++
20
10
2
3
2
4
2
5
2
1
log
0
°
90
°
÷8
DOWNCONVERTER
MAX2451
INA+
MAX1182
INA-
INB+
INB-
DSP
POST
PROCESSING
Figure 8. Typical QAM Application, Using the MAX1182
HOLD
ANALOG
INPUT
SAMPLED
DATA (T/H)
T/H
tAD
tAJ
TRACK
CLK
Figure 9. T/H Aperture Timing
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