参数资料
型号: MAX195AEDE
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: ADC
英文描述: 16-Bit, 85ksps ADC with 10レA Shutdown
中文描述: 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CDIP16
封装: 0.300 INCH, SIDEBRAZED, CERAMIC, DIP-16
文件页数: 12/28页
文件大小: 311K
代理商: MAX195AEDE
M
be improved by trimming, but the drift is too great to
provide good stability over temperature. The MAX427
buffer provides the necessary drive current to stabilize
the REF input quickly after capacitance changes.
The reference inaccuracies contribute additional full-
scale error. A reference with less than
1
2
16
total error
(15 parts per million) over the operating temperature
range is required to limit the additional error to less
than 1LSB. The MAX6241 achieves a drift specification
of 1ppm/°C (typ). This allows reasonable temperature
changes with less than 1LSB error. While the
MAX6241’s initial-accuracy specification (0.02%)
results in an offset error of about ±14LSB, the reference
voltage can be trimmed or the offset can be corrected
in software if absolute DC accuracy is essential. Figure
11’s circuit provides outstanding temperature stability
and also provides excellent DC accuracy if the initial
error is corrected.
16-Bit, 85ksps ADC with 10μA S hutdown
12
______________________________________________________________________________________
14
16
15
12
MAX195
MAX427
AGND
VSSA
VDDA
4
4
7
6
8
6
2
2
3
MAX874
GND
V
IN
COMP
V
OUT
4.096V
+15V
-15V
47
μ
F
LOW ESR
0.1
μ
F
0.1
μ
F
0.1
μ
F
0.1
μ
F
1000pF
0.1
μ
F
0.1
μ
F
1k
10
2k
REF
1N914
1N914
10
-5V
+5V
6
12
5
4
14
3
2.2
μ
F
V
IN
8V
1
μ
F
10k
2.2
μ
F
0.1
μ
F
2
MAX6241
IN
OUT
REF
TRIM
NR
GND
AGND
MAX195
Figure 10. Typical Reference Circuit for AC Accuracy
Figure 11. High-Accuracy Reference
相关PDF资料
PDF描述
MAX195BCWE 16-Bit, 85ksps ADC with 10レA Shutdown
MAX195BCPE 16-Bit, 85ksps ADC with 10レA Shutdown
MAX195AMDE 16-Bit, 85ksps ADC with 10レA Shutdown
MAX195BEPE 16-Bit, 85ksps ADC with 10レA Shutdown
MAX195BEWE 16-Bit, 85ksps ADC with 10レA Shutdown
相关代理商/技术参数
参数描述
MAX195AEWE 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX195AEWE+ 功能描述:模数转换器 - ADC 16-Bit 85ksps ADC with 10uA Shutdown RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX195AEWE+T 功能描述:模数转换器 - ADC 16-Bit 85ksps ADC with 10uA Shutdown RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX195AEWE-T 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX195AMDE 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32