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): 5/19頁(yè)
文件大?。?/td> 254K
代理商: ADS1245IDGSR
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SBAS287A JUNE 2003 REVISED SEPTEMBER 2003
www.ti.com
5
TYPICAL CHARACTERISTICS
At TA = +25
°
C, AVDD = +5V, DVDD = +3V, fCLK = 2.4576MHz, and VREF = +1.25V, unless otherwise specified.
Figure 7
OFFSET vs TEMPERATURE
Temperature ( C)
N
15
5
25
35
55
75
95
45
5
4
3
2
1
0
1
2
3
4
5
GAIN vs TEMPERATURE
Temperature ( C)
G
15
5
25
35
55
75
95
45
1.00006
1.00005
1.00004
1.00003
1.00002
1.00001
1.00000
0.99999
0.99998
0.99997
0.99996
0.99995
0.99994
Figure 8
Figure 9
NOISE vs INPUT SIGNAL
V
IN
(V)
N
1.5
0.5
0.5
1.5
2.5
2.5
3.2
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
Figure 10
NOISE vs TEMPERATURE
Temperature ( C)
N
15
5
25
35
55
75
95
45
3.0
2.5
2.0
1.5
1.0
0.5
0
Figure 11
HISTOGRAM OF OUTPUT DATA
ppm of FSR
N
1
1
1
9
8
7
6
5
4
3
2
1
0
1
2
3
4
5
6
7
8
9
1
1
1
900
800
700
600
500
400
300
200
100
0
Figure 12
COMMONMODE REJECTION RATIO
vs FREQUENCY
Frequency (Hz)
C
1k
100
10
10k
100k
1
160
140
120
100
80
60
40
20
0
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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 輸入類型:Differential 信噪比:107 dB 接口類型: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 輸入類型:Differential 信噪比:107 dB 接口類型: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 輸入類型:Differential 信噪比:107 dB 接口類型: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:Texas Instruments 功能描述:24-Bit Analog-to-Digital Converters for Temperature Sensors