參數(shù)資料
型號(hào)： MAX194AEPE
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： ADC
英文描述： Fixed-Point Digital Signal Processor 532-FCBGA
中文描述： 1-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP16
封裝： PLASTIC, DIP-16
文件頁(yè)數(shù)： 24/24頁(yè)
文件大?。?/td> 223K
代理商： MAX194AEPE
M
14-Bit, 85ksps ADC with 10μA S hutdown
S purious-Free Dynamic Range
Spurious-free dynamic range is the ratio of the funda-
mental RMS amplitude to the amplitude of the next
largest spectral component (in the frequency band
above DC and below one-half the sample rate). Usually,
this peak occurs at some harmonic of the input frequen-
cy. However, if the ADC is exceptionally linear, it may
occur only at a random peak in the ADC’s noise floor.
T ransfer Func tion
Figures 28 and 29 show the MAX194’s transfer func-
tions. In unipolar mode, the output data is in binary for-
mat and in bipolar mode it is offset binary.
TRANSISTOR COUNT: 7966
11 . . . 111
11 . . . 110
11 . . . 101
11 . . . 100
11 . . . 011
11 . . . 010
00 . . . 110
00 . . . 101
00 . . . 100
00 . . . 011
00 . . . 010
00 . . . 001
00 . . . 000
0V
V
REF
- (1LSB)
11 . . . 111
11 . . . 110
11 . . . 101
10 . . . 010
10 . . . 001
10 . . . 000
01 . . . 111
01 . . . 110
00 . . . 010
00 . . . 001
00 . . . 000
-V
REF
V
REF
- (1LSB)
0V
Figure 28. MAX194 Unipolar Transfer Function
Figure 29. MAX194 Bipolar Transfer Function
90
60
0.1
10
100
65
70
75
80
85
M
FREQUENCY (kHz)
S
1
f
S
= 85kHz
T
A
= +25°C
10.0
11.0
10.5
11.5
12.0
12.5
13.0
14.0
13.5
0.1
1
10
100
M
INPUT FREQUENCY (kHz)
E
f
S
= 85kHz
T
A
= +25°C
Figure 27. Signal-to-Noise + Distortion vs. Frequency
Figure 26. Effective Bits vs. Input Frequency
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
24
____________________Maxim Integrated Produc ts, 120 S an Gabriel Drive, S unnyvale, CA 94086 408-737-7600
1997 Maxim Integrated Products
Printed USA
is a registered trademark of Maxim Integrated Products.
相關(guān)PDF資料
PDF描述
MAX194AMDE 14-Bit, 85ksps ADC with 10A Shutdown
MAX194BEPE Fixed-Point Digital Signal Processor 532-FCBGA
MAX194BEWE 14-Bit, 85ksps ADC with 10A Shutdown
MAX194BMDE 14-Bit, 85ksps ADC with 10A Shutdown
MAX195ACDE 16-Bit, 85ksps ADC with 10レA Shutdown
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX194AEWE 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
MAX194AEWE/GG8 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-Bit 85ksps ADC with 10uA Shutdown 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
MAX194AEWE+ 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
MAX194AEWE+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
MAX194AEWE-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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