TYPICAL CHARACTERISTICS (Cont.) All specifications" />
參數(shù)資料
型號: ADS1240E
廠商: Texas Instruments
文件頁數(shù): 29/30頁
文件大小: 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: 60
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: 管件
輸入數(shù)目和類型: 4 個單端,單極;2 個差分,單極
產(chǎn)品目錄頁面: 889 (CN2011-ZH PDF)
其它名稱: 296-9301-5
296-9301-5-ND
ADS1240, 1241
8
SBAS173F
www.ti.com
TYPICAL CHARACTERISTICS (Cont.)
All specifications AVDD = +5V, DVDD = +5V, fOSC = 2.4576MHz, PGA = 1, fDATA = 15Hz, and VREF ≡ (REF IN+) – (REF IN–) = +2.5V, unless otherwise specified.
900
800
700
600
500
400
300
200
100
0
ANALOG CURRENT vs PGA
PGA Setting
I ANALOG
(
A)
1
2
4
8
16
128
64
32
AV
DD = 5V, Buffer = ON
AV
DD = 3V, Buffer = ON
Buffer = OFF
1.00010
1.00006
1.00002
0.99998
0.99994
0.99990
0.99986
GAIN vs TEMPERATURE
(Cal at 25
°C)
Temperature (
°C)
–50
–30
10
–10
30
50
70
90
Gain
(Normalized)
50
0
–50
–100
–150
–200
OFFSET vs TEMPERATURE
(Cal at 25
°C)
Offset
(ppm
of
FS)
PGA1
PGA128
PGA64
Temperature (
°C)
–50
–30
10
–10
30
50
70
90
PGA16
10
8
6
4
2
0
–2
–4
–6
–8
–10
INTEGRAL NONLINEARITY vs INPUT SIGNAL
V
IN (V)
–2.5 –2.0
–1.0 –0.5
–1.5
0
0.5
1.0
1.5
2.0
2.5
INL
(ppm
of
FS)
–40
°C
+25
°C
+85
°C
150
140
130
120
110
100
90
80
70
60
50
ANALOG CURRENT vs TEMPERATURE
Current
(
A)
Temperature (
°C)
–50
–30
10
–10
30
50
70
90
AV
DD = 5
AV
DD = 3
Buffer OFF
300
250
200
150
100
50
0
DIGITAL CURRENT vs SUPPLY
V
DD (V)
3.0
3.5
4.0
4.5
5.0
I DIGITAL
(
A)
Normal
4.91MHz
Normal
2.45MHz
SLEEP
2.45MHz
Power Down
SLEEP
4.91MHz
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