參數(shù)資料
型號: ADS1259IPW
廠商: Texas Instruments
文件頁數(shù): 3/48頁
文件大?。?/td> 0K
描述: IC ADC 24BIT 14KSPS LN 20TSSOP
產(chǎn)品培訓(xùn)模塊: Industrial Automation Overview
標(biāo)準(zhǔn)包裝: 70
位數(shù): 24
采樣率(每秒): 14k
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 模擬和數(shù)字,雙 ±
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 20-TSSOP
包裝: 管件
輸入數(shù)目和類型: 2 個單端,單極;2 個單端,雙極;1 個差分,單極;1 個差分,雙極
其它名稱: 296-27184-5
250
200
150
100
50
0
50
100
150
200
250
-
V
(V)
REF
VREFP
,VREFNInputCurrent(nA)
5.0
0.5
1.0
1.5
2.0
2.5
VREFNInputCurrent
(VREFP=AVDD)
VREFPInputCurrent
(VREFN=AVSS)
3.0
3.5
4.0
4.5
0
25
50
75
100
125
150
175
200
225
250
-
Temperature( C)
°
VREFP
,VREFNInputCurrent(nA)
125
-
55
-
35
-
15
5
25
45
65
85
105
VREFPInputCurrent
VREFNInputCurrent
0.010
0.008
0.006
0.004
0.002
0
0.002
0.004
0.006
0.008
0.010
-
Time(s)
Settling(%ofFinalV
alue)
6
0
1
2
3
4
C
=1 FX7R
m
REFIN
5
130
128
126
124
122
120
Temperature( C)
°
DifferentialInputImpedance(k
)
W
125
-
55
-
35
-
15
5
25
45
65
85
105
InternalOscillator
ExternalCrystal
100
90
80
70
60
50
40
30
20
10
0
100
200
300
400
500
600
700
800
900 1000
Hours
Reference
Voltage
Stability
(ppm)
48 units
G001
7.50
7.45
7.40
7.35
7.30
7.25
7.20
Temperature( C)
°
InternalOscillator(MHz)
125
-
55
-
35
-
15
5
25
45
65
85
105
SBAS424D
– JUNE 2009 – REVISED AUGUST 2011
TYPICAL CHARACTERISTICS (continued)
At TA = +25°C, AVDD = +2.5V, AVSS = –2.5V, DVDD = 3.3V, VREF = 2.5V, VREFN = AVSS, fCLK = 7.3728MHz, and
fDATA = 60SPS, unless otherwise noted.
REFERENCE INPUT CURRENT vs TEMPERATURE
REFERENCE INPUT CURRENT vs REFERENCE VOLTAGE
Figure 26.
Figure 27.
DIFFERENTIAL INPUT IMPEDANCE vs TEMPERATURE
INTERNAL REFERENCE SETTLING TIME
Figure 28.
Figure 29.
INTERNAL OSCILLATOR vs TEMPERATURE
INTERNAL REFERENCE LONG-TERM STABILITY
Figure 30.
Figure 31.
Copyright
2009–2011, Texas Instruments Incorporated
11
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