參數(shù)資料
型號: MAX195BEWE+
廠商: Maxim Integrated Products
文件頁數(shù): 4/28頁
文件大?。?/td> 0K
描述: IC ADC 16BIT 85KSPS W/SD 16-SOIC
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 46
位數(shù): 16
采樣率(每秒): 85k
數(shù)據(jù)接口: QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 2
功率耗散(最大): 80mW
電壓電源: 模擬和數(shù)字,雙 ±
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC W
包裝: 管件
輸入數(shù)目和類型: 1 個單端,單極;1 個單端,雙極
產(chǎn)品目錄頁面: 1393 (CN2011-ZH PDF)
MAX195
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 1216 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 10A Shutdown
12
______________________________________________________________________________________
14
16
15
12
MAX195
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
MAX195
Figure 10. Typical Reference Circuit for AC Accuracy
Figure 11. High-Accuracy Reference
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX195BEWE+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 85ksps 5V Precision ADC 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
MAX195BEWE+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 85ksps 5V Precision ADC 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
MAX195BEWE-T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 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
MAX195BMDE 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 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
MAX195EVC16-DIP 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Programmers, Development Systems 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