參數(shù)資料
型號： MAX1191
廠商： Maxim Integrated Products, Inc.
元件分類： ADC
英文描述： Ultra-Low-Power, 7.5Msps, Dual 8-Bit ADC
中文描述： 超低功耗、7.5Msps、雙路、8位ADC
文件頁數(shù)： 6/27頁
文件大?。?/td> 492K
代理商： MAX1191
M
Ultra-Low-Power, 7.5Msps, Dual 8-Bit ADC
6
_______________________________________________________________________________________
FFT PLOT CHANNEL A (DIFFERENTIAL INPUTS,
8192-POINT DATA RECORD)
0
M
ANALOG INPUT FREQUENCY (MHz)
A
3.5
3.0
2.0
2.5
1.0
1.5
0.5
-80
-70
-60
-50
-40
-30
-20
-10
-90
0
4.0
f
CLK
= 7.500567MHz
f
INA
= 1.000747MHz
f
INB
= 3.020553MHz
A
INA
= A
INB
= -0.5dB FS
f
INB
HD3
HD2
FFT PLOT CHANNEL B (DIFFERENTIAL INPUTS,
8192-POINT DATA RECORD)
0
f
CLK
= 7.500567MHz
f
INA
= 1.000747MHz
f
INB
= 3.020553MHz
A
INA
= A
INB
= -0.5dB FS
M
ANALOG INPUT FREQUENCY (MHz)
A
3.5
3.0
2.0
2.5
1.0
1.5
0.5
-80
-70
-60
-50
-40
-30
-20
-10
-90
0
4.0
f
INA
HD3
HD2
FFT PLOT CHANNEL A (DIFFERENTIAL INPUTS,
8192-POINT DATA RECORD)
0
f
CLK
= 7.500567MHz
f
INA
= 3.020553MHz
f
INB
= 1.000747MHz
A
INA
= A
INB
= -0.5dB FS
M
ANALOG INPUT FREQUENCY (MHz)
A
3.5
3.0
2.0
2.5
1.0
1.5
0.5
-80
-70
-60
-50
-40
-30
-20
-10
-90
0
4.0
f
INB
HD3
HD2
FFT PLOT CHANNEL B (DIFFERENTIAL INPUTS,
8192-POINT DATA RECORD)
0
M
ANALOG INPUT FREQUENCY (MHz)
A
3.5
3.0
2.0
2.5
1.0
1.5
0.5
-80
-70
-60
-50
-40
-30
-20
-10
-90
0
4.0
f
CLK
= 7.500567MHz
f
INA
= 3.020553MHz
f
INB
= 1.000747MHz
A
INA
= A
INB
= -0.5dB FS
f
INA
HD3
HD2
TWO-TONE IMD PLOT (DIFFERENTIAL INPUTS,
8192-POINT DATA RECORD)
0
f
CLK
= 7.500567MHz
f
IN1
= 1.8MHz
f
IN2
= 2.3MHz
A
IN
= -7dB FS
M
ANALOG INPUT FREQUENCY (MHz)
A
3.5
3.0
2.0
2.5
1.0
1.5
0.5
-80
-70
-60
-50
-40
-30
-20
-10
-90
0
4.0
f
IN2
f
IN1
Typical Operating Characteristics
(V
DD
= 3.0V, OV
DD
= 1.8V, V
REFIN
= V
DD
(internal reference), C
L
≈
10pF at digital outputs, differential input at -0.5dB FS, f
CLK
=
7.500567MHz at 50% duty cycle, T
A
= +25
°
C, unless otherwise noted.)
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 3.0V, OV
DD
= 1.8V, V
REFIN
= V
DD
(internal reference), C
L
≈
10pF at digital outputs, f
CLK
= 7.5MHz, C
REFP
= C
REFN
= C
COM
= 0.33μF, T
A
= -40
°
C to +85
°
C, unless otherwise noted. Typical values are at T
A
= +25
°
C.) (Note 1)
Note 1:
Specifications
≥
+25
°
C guaranteed by production test, <+25
°
C guaranteed by design and characterization.
Note 2:
SNR, SINAD, SFDR, HD3, and THD are based on a differential analog input voltage of -0.5dB FS referenced to the
amplitude of the digital output. SNR and THD are calculated using HD2 through HD6.
Note 3:
The power consumption of the output driver is proportional to the load capacitance (CL).
Note 4:
Guaranteed by design and characterization. Not production tested.
Note 5:
SINAD settles to within 0.5dB of its typical value.
Note 6:
Crosstalk rejection is measured by applying a high-frequency test tone to one channel and a low-frequency tone to the
second channel. FFTs are performed on each channel. The parameter is specified as power ratio of the first and second
channel FFT test tone bins.
Note 7:
Amplitude/phase matching is measured by applying the same signal to each channel, and comparing the magnitude and
phase of the fundamental bin on the calculated FFT.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1191ETI 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
MAX1191ETI+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 2Ch 7.5Msps 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
MAX1191ETI+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 2Ch 7.5Msps 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
MAX1191ETI-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
MAX1192ETI 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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