參數(shù)資料
型號(hào)： MAX192BCAP+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 9/24頁(yè)
文件大?。?/td> 0K
描述： IC ADC LP 10-BIT 133KHZ 20-SSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 66
類型： 數(shù)據(jù)采集系統(tǒng)（DAS），ADC
分辨率（位）： 10 b
采樣率（每秒）： 133k
數(shù)據(jù)接口： MICROWIRE?，QSPI?，串行，SPI?
電壓電源： 單電源
電源電壓： ±5V
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 20-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 20-SSOP
包裝： 管件
MAX192
Low-Power, 8-Channel,
Serial 10-Bit ADC
______________________________________________________________________________________
17
1
0 0
DIN
REFADJ
VREF
2.5V
0V
4V
0V
1
0 1
1
0 0
1
0 1
FULLPD
FASTPD
NOPD
FULLPD
FASTPD
2ms WAIT
COMPLETE CONVERSION SEQUENCE
tBUFFEN ≈ 15s
τ = RC = 20k x CREFADJ
(ZEROS)
CH1
CH7
(ZEROS)
Figure 13. FULLPD/FASTPD Power-Up Sequence
RC filter with the internal 20k
reference resistor with a
0.2ms time constant. To achieve full 10-bit accuracy,
10 time constants or 2ms are required after power-up.
Waiting 2ms in FASTPD mode instead of full power-up
will reduce the power consumption by a factor of 10 or
more. This is achieved by using the sequence shown in
Figure 13.
Lowest Power at Higher Throughputs
Figure 14b shows the power consumption with
external-reference compensation in fast power-down,
with one and eight channels converted. The external
4.7F compensation requires a 50s wait after
power-up, accomplished by 75 idle clocks after a
dummy conversion. This circuit combines fast
multi-channel conversion with lowest power consump-
tion possible. Full power-down mode may provide
increased power savings in applications where the
1000
1
0
100
300
500
FULL POWER-DOWN
10
100
MAX192-14A
CONVERSIONS PER CHANNEL PER SECOND
200
400
2ms FASTPD WAIT
400kHz EXTERNAL CLOCK
INTERNAL COMPENSATION
8 CHANNELS
1 CHANNEL
AVG.
SUPPLY
CURRENT
(
A)
10,000
10
0
FAST POWER-DOWN
100
1000
CONVERSIONS PER CHANNEL PER SECOND
8 CHANNELS
1 CHANNEL
4k
8k
12k
16k
2MHz EXTERNAL CLOCK
EXTERNAL COMPENSATION
50s WAIT
AVG.
SUPPLY
CURRENT
(
A)
MAX192-14B
3.0
2.5
2.0
1.5
1.0
0.5
0
0.0001
0.001
0.01
0.1
1
10
TIME IN SHUTDOWN (sec)
POWER-UP
DELAY
(ms)
Figure 14a. Supply Current vs. Sample Rate/Second, FULLPD,
400kHz Clock
Figure 14b. Supply Current vs. Sample Rate/Second, FASTPD,
2MHz Clock
Figure 14c. Typical Power-Up Delay vs. Time in Shutdown
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX192BCAP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 8Ch 133ksps 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
MAX192BCAP+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 8Ch 133ksps 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
MAX192BCAP-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
MAX192BCPP 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Integrated Circuits (ICs) 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
MAX192BCPP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 8Ch 133ksps 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
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