參數(shù)資料
型號(hào): ADS62C17IRGC25
廠商: Texas Instruments
文件頁數(shù): 48/68頁
文件大?。?/td> 0K
描述: IC ADC 11BIT 200MSPS DUAL 64VQFN
標(biāo)準(zhǔn)包裝: 25
位數(shù): 11
采樣率(每秒): 200M
數(shù)據(jù)接口: 串行,并聯(lián)
轉(zhuǎn)換器數(shù)目: 2
功率耗散(最大): 1.1W
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
1019
1020
1021
1022
1023
1024
1025
1026
-2
0
2
4
6
8
10
12
14
16
18
Time-ms
OutputCodesm-LSB
1018
20
Offsetcorrection
disabled
Offsetcorrection
enabled
Outputdatawith
offsetcorrected
Outputdatawith
4LSBoffset
POWER DOWN
SLAS631A – APRIL 2009 – REVISED JULY 2009 ............................................................................................................................................................. www.ti.com
Table 12. Time Constant of Offset Correction Algorithm
<OFFSET CORR TIME
Time Constant (TCCLK),
Time Constant, sec
CONSTANT>
Number of Clock Cycles
(=TCCLK x 1/Fs)
(1)
D3-D0
0000
256 k
1.2 ms
0001
512 k
2.5 ms
0010
1 M
5 ms
0011
2 M
10 ms
0100
4 M
20 ms
0101
8 M
40 ms
0110
16 M
80 ms
0111
32 M
0.16 s
1000
64 M
0.32 s
1001
128 M
0.64 s
1010
256 M
1.28 s
1011
512 M
2.5 s
1100
RESERVED
1101
RESERVED
1110
RESERVED
1111
RESERVED
(1)
Sampling frequency, Fs = 200 MSPS
Figure 56. Time Response of Offset Correction
ADS62C17 has three power down modes – power down global, individual channel standby and individual
channel output buffer disable. These can be set using either the serial register bits or using the control pins
CTRL1 to CTRL3.
52
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): ADS62C17
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