All specifications AVDD = +" />
參數(shù)資料
型號(hào): ADS1240E/1KG4
廠商: Texas Instruments
文件頁數(shù): 28/30頁
文件大?。?/td> 0K
描述: IC ADC 24-BIT SER PROGBL 24-SSOP
產(chǎn)品培訓(xùn)模塊: Data Converter Basics
視頻文件: Nuts and Bolts of the Delta-Sigma Converter
標(biāo)準(zhǔn)包裝: 1,000
位數(shù): 24
采樣率(每秒): 15
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 1.9mW
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: 24-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 24-SSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 4 個(gè)單端,單極;2 個(gè)差分,單極
ADS1240, 1241
7
SBAS173F
www.ti.com
TYPICAL CHARACTERISTICS
All specifications AVDD = +5V, DVDD = +5V, fOSC = 2.4576MHz, PGA = 1, fDATA = 15Hz, and VREF ≡ (REF IN+) – (REF IN–) = +2.5V, unless otherwise specified.
22
21
20
19
18
17
16
15
EFFECTIVE NUMBER OF BITS vs PGA SETTING
PGA Setting
ENOB
(rms)
1
2
4
8
16
128
64
32
DR = 10
DR = 00
DR = 01
Buffer ON
21.5
21.0
20.5
20.0
19.5
19.0
18.5
18.0
17.5
17.0
EFFECTIVE NUMBER OF BITS vs PGA SETTING
PGA Setting
1
2
4
8
16
128
64
32
ENOB
(rms)
Buffer OFF
DR = 10
DR = 01
DR = 00
20.5
20.0
19.5
19.0
18.5
18.0
17.5
17.0
16.5
16.0
EFFECTIVE NUMBER OF BITS vs PGA SETTING
PGA Setting
1
2
4
8
16
64
128
32
ENOB
(rms)
Buffer OFF, V
REF = 1.25V
DR = 10
DR = 00
DR = 01
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
NOISE vs INPUT SIGNAL
V
IN (V)
–2.5
–1.5
0.5
–0.5
1.5
2.5
Noise
(rms,
ppm
of
FS)
140
120
100
80
60
40
20
0
COMMON-MODE REJECTION RATIO
vs FREQUENCY
Frequency of Power Supply (Hz)
1
10
100
1k
10k
100k
CMRR
(dB)
Buffer ON
POWER SUPPLY REJECTION RATIO
vs FREQUENCY
Frequency of Power Supply (Hz)
110
1k
100
10k
100k
PSRR
(dB)
140
120
100
80
60
40
20
0
Buffer ON
相關(guān)PDF資料
PDF描述
ADS1240E/1K IC ADC 24-BIT SER PROGBL 24-SSOP
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