參數(shù)資料
型號(hào): ADS62P43IRGCTG4
廠商: Texas Instruments
文件頁(yè)數(shù): 62/78頁(yè)
文件大?。?/td> 0K
描述: IC ADC 14BIT SRL/PAR 80M 64VQFN
產(chǎn)品培訓(xùn)模塊: Data Converter Basics
標(biāo)準(zhǔn)包裝: 250
位數(shù): 14
采樣率(每秒): 80M
數(shù)據(jù)接口: 串行,并聯(lián)
轉(zhuǎn)換器數(shù)目: 2
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 64-VQFN 裸露焊盤(9x9)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 2 個(gè)差分,單極
SLAS561C
– JULY 2007 – REVISED FEBRUARY 2012
Table 25. Predefined Coefficients for Decimation by 2 Filters
COEFFICIENTS
DECIMATE BY 2
LOW-PASS FILTER
HIGH-PASS FILTER
h0
23
-22
h1
-37
-65
h2
-6
-52
h3
68
30
h4
-36
66
h5
-61
-35
h6
35
-107
h7
118
38
h8
-100
202
h9
-197
-41
h10
273
-644
h11
943
1061
Table 26. Predefined Coefficients for Decimation by 4 Filters
COEFFICIENTS
DECIMATE BY 4
LOW-PASS FILTER
1st BAND-PASS FILTER
2nd BAND-PASS FILTER
HIGH-PASS FILTER
h0
-17
-7
-34
32
h1
-50
19
-34
-15
h2
71
-47
-101
-95
h3
46
127
43
22
h4
24
73
58
-8
h5
-42
0
-28
-81
h6
-100
86
-5
106
h7
-97
117
-179
-62
h8
8
-190
294
-97
h9
202
-464
86
310
h10
414
-113
-563
-501
h11
554
526
352
575
Custom Filter Coefficients with Decimation
The filter coefficients can also be programmed by the user (custom). For custom coefficients, set the register bit (
FILTER COEFF SELECT) and load the coefficients (h0 to h11) in registers 1E to 2F using the serial interface
Register content = 12-bit signed representation of [real coefficient value
× 211]
Copyright
2007–2012, Texas Instruments Incorporated
65
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