參數(shù)資料
型號(hào)： MAX196ACWI+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 3/16頁(yè)
文件大小： 0K
描述： IC DAS 12BIT 6CH 28-SOIC
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1,000
類型： 數(shù)據(jù)采集系統(tǒng)（DAS）
分辨率（位）： 12 b
采樣率（每秒）： 100k
數(shù)據(jù)接口： 并聯(lián)
電壓電源： 單電源
電源電壓： 4.75 V ~ 5.25 V
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 28-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 28-SOIC W
包裝： 帶卷 (TR)
Clock Modes
The MAX196/MAX198 operate with either an internal or
an external clock. Control bits (D6, D7) select either
internal or external clock mode. Once the desired clock
mode is selected, changing these bits to program
power-down will not affect the clock mode. In each
mode, internal or external acquisition can be used. At
power-up, external clock mode is selected.
Internal Clock Mode
Select internal clock mode to free the P from the
burden of running the SAR conversion clock. To select
this mode, write the control byte with D7 = 0 and D6 =
1. A 100pF capacitor between the CLK pin and ground
sets this frequency to 1.56MHz nominal. Figure 7
shows a linear relationship between the internal clock
period and the value of the external capacitor used.
External Clock Mode
Select external clock mode by writing the control byte
with D7 = 0 and D6 = 0. Figure 8 shows CLK and WR
timing relationships in internal and external acquisition
modes, with an external clock. A 100kHz to 2.0MHz
external clock with 45% to 55% duty cycle is required for
proper operation. Operating at clock frequencies lower
than 100kHz will cause a voltage droop across the hold
capacitor, and subsequently degrade performance.
MAX196/MAX198
Multirange, Single +5V, 12-Bit DAS
with 12-Bit Bus Interface
______________________________________________________________________________________
11
tCS
tCSWS
tWR
tACQI
tCONV
tDH
tDS
tINT1
tD0
tTR
tCSHW
tCSRS
tCSRH
ACQMOD = "1"
CS
WR
D7–D0
INT
RD
DOUT
ACQMOD = "0"
DATA VALID
CONTROL
BYTE
CONTROL
BYTE
Figure 6. Conversion Timing Using External Acquisition Mode
2000
0
50
250
350
500
CLOCK PIN CAPACITANCE (pF)
INTERNAL
CLOCK
PERIOD
(ns)
100
150 200
300
1500
1000
Figure 7. Internal Clock Period vs. Clock Pin Capacitance
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX196AEAI 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
MAX196AEAI+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 6Ch 100ksps 4.18V 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
MAX196AEAI+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 6Ch 100ksps 4.18V 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
MAX196AEAI-C10253 制造商:Maxim Integrated Products 功能描述:6-CHANNEL, MULTIRANGE, 5V, 12-BIT DAS WITH 12-BIT BUS INTERF - Rail/Tube
MAX196AEAI-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
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