參數(shù)資料
型號(hào): MAX1192ETI+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 16/27頁(yè)
文件大?。?/td> 0K
描述: IC ADC 8BIT 22MSPS DUAL 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): 22M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 2
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 28-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 28-TQFN-EP(5x5)
包裝: 管件
輸入數(shù)目和類(lèi)型: 4 個(gè)單端,雙極;2 個(gè)差分,雙極
產(chǎn)品目錄頁(yè)面: 1396 (CN2011-ZH PDF)
MAX1192
Ultra-Low-Power, 22Msps, Dual 8-Bit ADC
______________________________________________________________________________________
23
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 MAX1192s.
MAX4254
1/4
47
Ω
3V
2
2.500V
3
1
REFP
VDD
MAX1192
N = 1
27
GND
NOTE: ONE FRONT-END
REFERENCE CIRCUIT
SUPPORTS UP TO 160 MAX1192s
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
MAX1192
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 MAX4254 and MAX6066
相關(guān)PDF資料
PDF描述
ADM3072EYRZ IC TXRX RS-485 3.3V HD 8-SOIC
MAX1362EUB+ IC SYSTEM MON 10BIT 4CH 10-UMAX
206708-1 CONN PLUG CPC 9POS STD SER 1
ADM3073EARZ IC TXRX RS-485 3.3V FD 14-SOIC
SP3239ECA-L IC TXRX RS232 INTELLIGENT 28SSOP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1192ETI+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 2Ch 22Msps 3.6V 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1192ETI+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 2Ch 22Msps 3.6V 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1192ETI-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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1193ETI 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1193ETI+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 2Ch 45Msps 3.6V 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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