参数资料
型号: MAX194BCPE+
厂商: Maxim Integrated Products
文件页数: 4/24页
文件大小: 0K
描述: IC ADC 14BIT 85KSPS 16-PDIP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 25
位数: 14
采样率(每秒): 85k
数据接口: QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 80mW
电压电源: 模拟和数字,双 ±
工作温度: 0°C ~ 70°C
安装类型: 通孔
封装/外壳: 16-DIP(0.300",7.62mm)
供应商设备封装: 16-PDIP
包装: 管件
输入数目和类型: 1 个单端,单极;1 个单端,双极
MAX194
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 1214 total error
(61 parts per million) over the operating temperature
range is required to maintain full 14-bit accuracy. The
MAX6241 achieves a drift specification of 1ppm/°C
(typ) and easily drives the REF input directly. This
allows large temperature changes with less than 1LSB
error. While the MAX6241’s initial-accuracy specifica-
tion (0.02%) results in a maximum error of about
±4LSB, 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 out-
standing temperature stability and also provides excel-
lent DC accuracy if the initial error is corrected.
14-Bit, 85ksps ADC with 10A Shutdown
12
______________________________________________________________________________________
14
16
15
12
MAX194
MAX427
AGND
VSSA
VDDA
4
7
6
8
6
2
3
MAX874
GND
VIN
COMP
VOUT
4.096V
+15V
-15V
47
F
LOW
ESR
0.1
F
0.1
F
0.1
F
0.1
F
1000pF
0.1
F
0.1
F
1k
10
2k
REF
1N914
10
-5V
+5V
6
12
5
4
14
3
2.2
F
VIN ≥ 8V
1
F
10k
2.2
F
0.1
F
2
MAX6241
IN
OUT
REF
TRIM
NR
GND
AGND
MAX194
Figure 10. Typical Reference Circuit for AC Accuracy
Figure 11. High-Accuracy Reference
相关PDF资料
PDF描述
VE-B7L-MW-F1 CONVERTER MOD DC/DC 28V 100W
MS27497P24F61S CONN RCPT 61POS WALL MNT W/SCKT
MS27656E11F35PA CONN RCPT 13POS WALL MNT W/PINS
V24B24M150BG3 CONVERTER MOD DC/DC 24V 150W
MS27473T22F21P CONN PLUG 21POS STRAIGHT W/PINS
相关代理商/技术参数
参数描述
MAX194BCPE+ 功能描述:模数转换器 - ADC 14Bit 85ksps 5V Precision 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
MAX194BCWE 功能描述:模数转换器 - ADC Integrated Circuits (ICs) 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
MAX194BCWE+ 功能描述:模数转换器 - ADC 14Bit 85ksps 5V Precision 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
MAX194BCWE+T 功能描述:模数转换器 - ADC 14Bit 85ksps 5V Precision 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
MAX194BCWE-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