參數(shù)資料
型號(hào)： ADS1255
英文描述： Very Low Noise, 24-Bit Analog-to-Digital Converter
中文描述： 極低噪聲，24位模擬數(shù)字轉(zhuǎn)換器
文件頁數(shù)： 13/39頁
文件大?。?/td> 427K
代理商： ADS1255
SBAS288D JUNE 2003 REVISED AUGUST 2004
www.ti.com
13
Table 4. Input Referred Noise (
μ
V, rms)
with Buffer Off
DATA
RATE
(SPS)
PGA
1
2
4
8
16
32
64
2.5
5
10
15
25
30
50
60
100
500
1000
2000
3750
7500
15,000
30,000
0.247
0.275
0.338
0.401
0.485
0.559
0.644
0.688
0.815
1.957
2.803
4.025
5.413
7.017
8.862
10.341
0.149
0.176
0.201
0.221
0.279
0.315
0.390
0.417
0.530
1.148
1.797
2.444
3.250
4.143
5.432
6.137
0.097
0.109
0.129
0.150
0.177
0.202
0.238
0.281
0.360
0.772
1.191
1.615
2.061
2.722
3.378
3.873
0.058
0.070
0.084
0.109
0.136
0.142
0.187
0.204
0.233
0.531
0.940
1.310
1.578
1.998
2.411
2.775
0.036
0.046
0.063
0.070
0.093
0.107
0.129
0.134
0.169
0.375
0.518
0.700
0.914
1.241
1.569
1.805
0.031
0.039
0.048
0.063
0.076
0.093
0.108
0.109
0.123
0.276
0.392
0.526
0.693
0.914
1.149
1.313
0.027
0.038
0.047
0.057
0.076
0.082
0.103
0.111
0.122
0.259
0.365
0.461
0.625
0.857
1.051
1.211
Table 5. Effective Number of Bits (ENOB, rms)
with Buffer Off
DATA
RATE
(SPS)
PGA
1
2
4
8
16
32
64
2.5
5
10
15
25
30
50
60
100
500
1000
2000
3750
7500
15,000
30,000
25.3
25.1
24.8
24.6
24.3
24.1
23.9
23.8
23.5
22.3
21.8
21.2
20.8
20.4
20.1
19.9
25.0
24.8
24.6
24.4
24.1
23.9
23.6
23.5
23.2
22.1
21.4
21.0
20.6
20.2
19.8
19.6
24.6
24.5
24.2
24.0
23.8
23.6
23.3
23.1
22.7
21.6
21.0
20.6
20.2
19.8
19.5
19.3
24.4
24.1
23.8
23.4
23.1
23.1
22.7
22.5
22.4
21.2
20.3
19.9
19.6
19.3
19.0
18.8
24.0
23.7
23.2
23.1
22.7
22.5
22.2
22.1
21.8
20.7
20.2
19.8
19.4
18.9
18.6
18.4
23.2
22.9
22.6
22.2
22.0
21.7
21.5
21.5
21.3
20.1
19.6
19.2
18.8
18.4
18.1
17.9
22.5
22.0
21.7
21.4
21.0
20.9
20.5
20.4
20.3
19.2
18.7
18.4
17.9
17.5
17.2
17.0
Table 6. Noise-Free Resolution (bits)
with Buffer Off
DATA
RATE
(SPS)
PGA
1
2
4
8
16
32
64
2.5
5
10
15
25
30
50
60
100
500
1000
2000
3750
7500
15,000
30,000
23.0
22.4
22.3
22.0
21.8
21.6
21.3
21.2
21.1
20.0
19.0
18.5
18.1
17.7
17.4
17.1
22.4
22.1
22.1
21.8
21.7
21.4
21.3
21.0
20.5
19.7
18.7
18.3
17.8
17.6
17.1
17.0
22.0
21.9
21.7
21.4
21.1
21.1
20.7
20.6
20.3
19.3
18.4
17.9
17.5
17.0
16.8
16.6
21.9
21.5
21.5
20.8
20.7
20.4
20.1
20.1
19.9
18.9
17.7
17.4
17.0
16.6
16.3
16.0
21.3
21.2
20.8
20.6
20.3
20.0
19.8
19.8
19.5
18.3
17.5
17.0
16.7
16.2
15.9
15.6
21.1
20.4
20.3
19.9
19.5
16.4
19.1
19.1
19.0
17.8
16.9
16.4
16.1
15.7
15.3
15.0
20.0
19.4
19.2
19.0
18.6
18.5
18.2
18.1
17.9
16.9
15.9
15.6
15.2
14.8
14.4
14.4
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS1255IDB 制造商:BB 制造商全稱:BB 功能描述:Very Low Noise, 24-Bit Analog-to-Digital Converter
ADS1255IDBR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24 Bit 30kSPS Very Lo-Noise Delta-Sigma 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
ADS1255IDBRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24 Bit 30kSPS Very Lo-Noise Delta-Sigma 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
ADS1255IDBT 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24 Bit 30kSPS Very Lo-Noise Delta-Sigma 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
ADS1255IDBT 制造商:Texas Instruments 功能描述:ADC 24BIT 5V SPI 30MSPS 20SSOP 制造商:Texas Instruments 功能描述:ADC, 24BIT, 5V, SPI, 30MSPS, 20SSOP 制造商:Texas Instruments 功能描述:ADC, 24BIT, 5V, SPI, 30MSPS, 20SSOP; Resolution (Bits):24bit; Sampling Rate:30kSPS; Supply Voltage Type:Single; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Supply Current:36mA; Digital IC Case Style:SSOP; No. of Pins:20; ;RoHS Compliant: Yes 制造商:Texas Instruments 功能描述:ADC, 24BIT, 5V, SPI, 30KSPS, 20SSOP ;ROHS COMPLIANT: YES
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