參數(shù)資料
型號： MAX19192ETI+
廠商： Maxim Integrated Products
文件頁數(shù)： 11/22頁
文件大小： 0K
描述： IC ADC 8BIT DUAL 10MSPS 28-TQFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 60
位數(shù)： 8
采樣率（每秒）： 10M
轉(zhuǎn)換器數(shù)目： 2
功率耗散（最大）： 1.67W
電壓電源： 單電源
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 28-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 28-TQFN-EP（5x5）
包裝： 管件
輸入數(shù)目和類型： 4 個單端，單極；2 個差分，單極
MAX19192
Ultra-Low-Power, 10Msps, Dual 8-Bit ADC
______________________________________________________________________________________
19
Figure 11 shows the MAX6066 precision bandgap ref-
erence used as a common reference for multiple con-
verters. The 2.500V output of the MAX6066 is followed
by a 10Hz lowpass filter and precision voltage-divider.
The MAX4254 buffers the taps of this divider to provide
the 1.75V, 1.5V, and 1.25V sources to drive REFP,
REFN, and COM. The MAX4254 provides a low offset
voltage and low noise level. The individual voltage fol-
lowers are connected to 10Hz lowpass filters, which fil-
ter both the reference-voltage and amplifier noise to a
level of 3nV/
√Hz. The 1.75V and 1.25V reference volt-
ages set the differential full-scale range of the associat-
ed ADCs at ±0.5V.
The common power supply for all active components
removes any concern regarding power-supply
sequencing when powering up or down.
With the outputs of the MAX4252 matching better than
0.1%, the buffers and subsequent lowpass filters sup-
port as many as 160 MAX19192s.
MAX4254
1/4
47
Ω
3V
2
2.500V
3
1
REFP
VDD
MAX19192
N = 1
27
GND
NOTE: ONE FRONT-END
REFERENCE CIRCUIT
SUPPORTS UP TO 160 MAX19192s.
3
0.1
μF
10
μF
6V
1
μF
1%
30.1k
Ω
1%
10.0k
Ω
0.1
μF
2.2
μF
330
μF
6V
0.33
μF
26
24
0.33
μF
REFN
REFIN
25
0.33
μF
COM
MAX6066
1.748V
1%
10.0k
Ω
1%
49.9k
Ω
REFP
VDD
MAX19192
N = 160
27
GND
0.33
μF
26
24
0.33
μF
REFN
25
0.33
μF
COM
1.47k
Ω
MAX4254
47
Ω
6
5
7
10
μF
6V
330
μF
6V
1.498V
1.47k
Ω
47
Ω
9
10
8
10
μF
6V
330
μF
6V
1.248V
MAX4254
1.47k
Ω
1M
Ω
MAX4254
13
12
14
11
4
0.1
μF
UNCOMMITTED
1M
Ω
3V
1/4
Figure 11. External Unbuffered Reference Driving 160 ADCs with the MAX4254 and MAX6066
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX19192ETI/V+ 制造商:Maxim Integrated Products 功能描述:ANALOG TO DIGITAL CONVERTER - Rail/Tube
MAX19192ETI/V+T 制造商:Maxim Integrated Products 功能描述:ULTRA-LOW-POWER, 10MSPS, DUAL 8-BIT ADC - Tape and Reel
MAX19192ETI+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Integrated Circuits (ICs) Analog to Digital Converters - IC ADC 8BIT DUAL 10MSPS 28-TQFN 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
MAX19192ETI+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Integrated Circuits (ICs) Analog to Digital Converters - IC ADC 8BIT DUAL 10MSPS 28-TQFN 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
MAX191ACNG 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
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