参数资料
型号: MAX1035EUP+T
厂商: Maxim Integrated Products
文件页数: 22/31页
文件大小: 0K
描述: IC ADC 14BIT SER 115KSPS 20TSSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
位数: 14
采样率(每秒): 115k
数据接口: MICROWIRE?,串行,SPI?
转换器数目: 1
功率耗散(最大): 879mW
电压电源: 模拟和数字
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 20-TSSOP
包装: 带卷 (TR)
输入数目和类型: 4 个单端,单极;4 个单端,双极;2 个差分,单极;2 个差分,双极
MAX1034/MAX1035
8-/4-Channel, ±VREF Multirange Inputs,
Serial 14-Bit ADCs
______________________________________________________________________________________
29
Effective Number of Bits (ENOB)
ENOB indicates the global accuracy of an ADC at a
specific input frequency and sampling rate. With an
input range equal to the ADC’s full-scale range, calcu-
late the ENOB as follows:
Total Harmonic Distortion (THD)
For the MAX1034/MAX1035, THD is the ratio of the
RMS sum of the input signal’s first four harmonic com-
ponents 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
harmonic components.
Spurious-Free Dynamic Range (SFDR)
SFDR is the ratio of RMS amplitude of the fundamental
(maximum signal component) to the RMS value of the
next-largest spectral component.
THD
VVVV
V
log
+++
20
2
3
2
4
2
5
2
1
ENOB
SINAD
.
=
176
602
tAD
tAJ
INTCLK
(MODE 2)
ANALOG INPUT
TRACK AND HOLD
TRACK
HOLD
SAMPLE INSTANT
SCLK
(MODE 0)
13
14
15
SCLK
(MODE 1)
15
16
10
11
12
Figure 21. Aperture Diagram
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