參數(shù)資料
型號(hào)： MAX11040GUU+T
廠商： Maxim Integrated Products
文件頁數(shù)： 5/35頁
文件大小： 0K
描述： IC ADC 24BIT 4CH 38-TSSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
位數(shù)： 24
采樣率（每秒）： 64k
數(shù)據(jù)接口： DSP，MICROWIRE?，QSPI?，串行，SPI?
轉(zhuǎn)換器數(shù)目： 4
功率耗散（最大）： 108mW
電壓電源： 模擬和數(shù)字
工作溫度： -40°C ~ 105°C
安裝類型： 表面貼裝
封裝/外殼： 38-TFSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 38-TSSOP
包裝： 帶卷 (TR)
輸入數(shù)目和類型： 4 個(gè)差分，雙極
配用： MAXSPCSPARTAN6+-ND - ADC and DAC Eval Expansion Board
MAX11040K/MAX11060
24-/16-Bit, 4-Channel, Simultaneous-Sampling,
Cascadable, Sigma-Delta ADCs
13
Maxim Integrated
Digital Filter
The devices contain an on-chip digital lowpass filter
that processes the data stream from each modulator
and generates the high-resolution output data. The low-
pass filter frequency response is determined by the
programmable output data rate. At the nominal 16ksps
output data rate, the -3dB bandwidth of the filter is
3.4kHz. The passband flatness is better than ±0.1dB
from 0 to 1.74kHz. The notches are located at 5.75kHz
and 7.195kHz. These frequencies scale linearly with the
output data rate. See Figure 2 and Table 1 for the fre-
quency response at different data rates.
Since the transfer function of a digital filter is repeatable
and predictable, it is possible to correct for frequency-
dependent attenuation in downstream software. See
the
Compensating for the Rolloff of the Digital Filter in a
Typical FFT Analysis section. The transfer function is
defined by the following equation:
where:
Gain is the filter gain.
fAIN is the analog input frequency.
fSAMPLE is the programmed output data rate, nominally
16kHz.
fXINCLOCK is the clock frequency at XIN, nominally
24.576MHz.
FIR_Gain (fAIN) is the normalized gain of the FIR filter
with the following filter coefficients, as a function of the
analog input frequency fAIN. These coefficients are
applied at the output data rate:
+ 0.022
- 0.074
- 0.036
+ 0.312
+ 0.552
+ 0.312
- 0.036
- 0.074
+ 0.022
Gain f
f
AIN
SAMPLE
AIN
SAMPLE
()
sin
=
××
π
X
XINCLOCK
AIN
XINCLOCK
f
××
sin
π
×
()
3
_(
)
FIR Gain fAIN
Table 1. Bandwidth vs. Output Data Rate
OUTPUT DATA
RATE (ksps)
-3dB BANDWIDTH
(kHz)
-0.1dB BANDWIDTH
(kHz)
0.5
0.11
0.05
1
0.21
0.11
2
0.42
0.22
4
0.85
0.43
8
1.69
0.87
10
2.11
1.09
12
2.54
1.31
16
3.38
1.74
32
6.78
3.48
64
13.5
6.96
MAX11040K
fig02
fAIN/fSAMPLE
GAIN
(dB)
0.24
0.20
0.16
0.12
0.08
0.04
-5
-4
-3
-2
-1
0
1
-6
00.28
Figure 2. Digital Filter Response
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX11040K 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:24-/16-Bit, 4-Channel, Simultaneous-Sampling, Cascadable, Sigma-Delta ADCs
MAX11040K_1111 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:24-/16-Bit, 4-Channel, Simultaneous-Sampling, Cascadable, Sigma-Delta ADCs
MAX11040K_12 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:MAX11040K Evaluation Kit/Daughterboard
MAX11040KDBEVKIT 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:MAX11040K Evaluation Kit/Daughterboard
MAX11040KDBEVKIT# 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 MAX5135/11040/11612 Eval Kit w/ FMC RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
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