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參數(shù)資料
| 型號(hào)： | ADS1245IDGSR |
| 英文描述： | Low-Power, 24-Bit Analog-to-Digital Converter |
| 中文描述： | 低功耗，24位模擬數(shù)字轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 4/19頁(yè) |
| 文件大?。?/td> | 254K |
| 代理商： | ADS1245IDGSR |
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SBAS287A JUNE 2003 REVISED SEPTEMBER 2003
www.ti.com
4
TYPICAL CHARACTERISTICS
At TA = +25
°
C, AVDD = +5V, DVDD = +3V, fCLK = 2.4576MHz, and VREF = +1.25V, unless otherwise specified.
Figure 1
ANALOG CURRENT vs TEMPERATURE
Temperature ( C)
C
μ
A
15
5
25
35
55
75
95
45
220
210
200
190
180
170
160
150
140
130
120
110
100
AVDD = +3V, f
CLK
= 2.4576MHz
AVDD = +5V, f
CLK
= 4.9152MHz
Figure 2
DIGITAL CURRENT vs TEMPERATURE
Temperature ( C)
C
μ
A
15
5
25
35
55
75
95
45
12
10
8
6
4
2
0
DVDD = +1.8V, f
CLK
= 2.4576MHz
DVDD = +3V, f
CLK
= 4.9152MHz
Figure 3
ANALOG CURRENT vs ANALOG SUPPLY
Analog Supply (V)
C
μ
A
4.0
3.5
3.0
4.5
5.0
5.5
2.5
164
162
160
158
156
154
152
150
148
f
CLK
= 2.4576MHz
f
CLK
= 4.9152Hz
Figure 4
DIGITAL CURRENT vs DIGITAL SUPPLY
Digital Supply (V)
C
μ
A
15
5
25
35
55
75
95
45
16
14
12
10
8
6
4
2
0
f
CLK
= 4.9152MHz
f
CLK
= 2.4576MHz
Figure 5
INTEGRAL NONLINEARITY vs ANALOG SUPPLY
V
REF
= 1.25; f
= 2.4576MHz
V
CM
= 2.4 or ((
1.8)/2 + 0.3), whichever is smaller
(V)
I
4.0
3.5
3.0
4.5
5.0
5.5
2.5
30
25
20
15
10
5
0
T = +25 C
T = +85 C
T =
40 C
AVDD
Figure 6
INTEGRAL NONLINEARITY vs V
IN
V
IN
(V)
T = +25 C
T = +85 C
T =
40 C
I
1.5
0.5
0.5
1.5
2.5
2.5
12.5
10.0
7.5
5.0
2.5
0
2.5
5.0
7.5
10.0
12.5
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| ADS1250U | 20-Bit Data Acquisition System ANALOG-TO-DIGITAL CONVERTER |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS1245IDGSRG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24-bit Low-Power w/Hi-Z Input Buffer RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類(lèi)型:Differential 信噪比:107 dB 接口類(lèi)型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS1245IDGST | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24-bit Low-Power w/Hi-Z Input Buffer RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類(lèi)型:Differential 信噪比:107 dB 接口類(lèi)型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS1245IDGST | 制造商:Texas Instruments 功能描述:IC 24-BIT ADC HIGH-Z I/P BUFFER |
| ADS1245IDGSTG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24-bit Low-Power w/Hi-Z Input Buffer RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類(lèi)型:Differential 信噪比:107 dB 接口類(lèi)型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS1246 | 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:24-Bit Analog-to-Digital Converters for Temperature Sensors |
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