參數(shù)資料
型號(hào): ADS1222IPWT
廠商: Texas Instruments
文件頁(yè)數(shù): 24/26頁(yè)
文件大小: 0K
描述: IC 24BIT ADC W/2CH MUX 14-TSSOP
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
位數(shù): 24
采樣率(每秒): 240
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 2.25mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 14-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 14-TSSOP
包裝: 標(biāo)準(zhǔn)包裝
輸入數(shù)目和類(lèi)型: 4 個(gè)單端,單極;2 個(gè)差分,雙極
其它名稱(chēng): 296-17321-6
ADS1222
SBAS314B APRIL 2004 REVISED JANUARY 2009
www.ti.com
7
TYPICAL CHARACTERISTICS (continued)
At TA = 40°C to +85°C, VDD = +5V, fCLK = 2MHz, and VREF = +2.5V, unless otherwise noted.
Figure 7
Input Voltage, V
IN (V)
3
4
2
1
0
1
234
5
15
10
5
0
5
10
15
IN
L
(p
p
m
o
f
F
S
R
)
INTEGRAL NONLINEARITY vs INPUT VOLTAGE
f
CLK =4MHz
Buffer Off
40_C
+25
_C
+85
_C
Figure 8
1.5
2.5
0.5
1.5
2.5
3.5
INTEGRAL NONLINEARITY vs INPUT VOLTAGE
Input Voltage, V
IN (V)
f
CLK =4MHz
Buffer On
15
10
5
0
5
10
15
IN
L
(pp
m
o
f
F
S
R
)
40_C
+25
_C
+85
_C
Figure 9
NOISE vs INPUT VOLTAGE
Input Voltage, V
IN (V)
N
o
is
e
(ppm
o
f
F
S
R
,
rm
s
)
3
1
135
5
2.5
2.0
1.5
1.0
0.5
0
f
CLK =2MHz
Buffer Off
Figure 10
NOISE vs INPUT VOLTAGE
Input Voltage, V
IN (V)
N
o
is
e
(ppm
of
F
S
R
,
rm
s
)
0.5
1.5
3.5
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
f
CLK =2MHz
Buffer On
2.5
1.5
0.5
2.5
Figure 11
NOISE vs INPUT VOLTAGE
Input Voltage, V
IN (V)
No
is
e
(p
p
m
o
f
F
S
R
,
rm
s
)
3
1
135
5
2.5
2.0
1.5
1.0
0.5
0
f
CLK =4MHz
Buffer Off
Figure 12
NOISE vs INPUT VOLTAGE
No
is
e
(p
p
m
o
f
F
S
R
,
rm
s
)
2.5
2.0
1.5
1.0
0.5
f
CLK =4MHz
Buffer On
Input Voltage, V
IN (V)
0.5
1.5
3.5
2.5
1.5
0.5
2.5
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