參數(shù)資料
型號： MAX1185ECM
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： ADC
英文描述： Dual 10-Bit, 20Msps, +3V, Low-Power ADC with Internal Reference and Multiplexed Parallel Outputs
中文描述： 2-CH 10-BIT FLASH METHOD ADC, PARALLEL ACCESS, PQFP48
封裝： 7 X 7 MM, TQFP-48
文件頁數(shù)： 6/20頁
文件大?。?/td> 495K
代理商： MAX1185ECM
M
Dual 10-Bit, 20Msps, +3V, Low-Power ADC with
Internal Reference and Multiplexed Parallel Outputs
6
_______________________________________________________________________________________
Typical Operating Characteristics
(V
DD
= +3V, OV
DD
= +2.5V, V
REFIN
= +2.048V, differential input at -0.5dB FS, f
CLK
= 20.00057MHz, C
L
≈
10pF, T
A
= +25
°
C,
unless otherwise noted.)
-100
-80
-90
-60
-70
-40
-50
-30
-10
-20
0
0
2
3
4
1
5
6
7
9
8
10
FFT PLOT CHA (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
M
ANALOG INPUT FREQUENCY (MHz)
A
CHA
f
CLK
= 20.0005678MHz
f
INA
= 5.9742906MHz
f
INB
= 7.5343935MHz
AINA = -0.525dB FS
HD3
HD2
-100
-80
-90
-60
-70
-40
-50
-30
-10
-20
0
0
2
3
4
1
5
6
7
9
8
10
FFT PLOT CHB (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
M
ANALOG INPUT FREQUENCY (MHz)
A
CHB
f
CLK
= 20.0005678MHz
f
INA
= 5.9742906MHz
f
= 7.5243935MHz
AINA = -0.462dB FS
HD3
HD2
-100
-80
-90
-60
-70
-40
-50
-30
-10
-20
0
0
2
3
4
1
5
6
7
9
8
10
FFT PLOT CHA (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
M
ANALOG INPUT FREQUENCY (MHz)
A
CHA
f
CLK
= 20.0005678MHz
f
INA
= 7.5343935MHz
f
= 11.9852035MHz
AINA = -0.489dB FS
HD3
HD2
-100
-80
-90
-60
-70
-40
-50
-30
-10
-20
0
0
2
3
4
1
5
6
7
9
8
10
FFT PLOT CHB (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
M
ANALOG INPUT FREQUENCY (MHz)
SIGNAL-TO-NOISE PLUS DISTORTION vs.
ANALOG INPUT FREQUECNY
A
CHB
f
CLK
= 20.0005678MHz
f
INA
= 7.5343935MHz
f
= 11.9852035MHz
AINA = -0.471dB FS
HD3
HD2
-100
-80
-90
-60
-70
-40
-50
-30
-10
-20
0
0
2
3
4
1
5
6
7
9
8
10
TWO-TONE IMD PLOT (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
M
ANALOG INPUT FREQUENCY (MHz)
A
IMD2
IMD3
IMD3
f
CLK
= 20.0005678MHz
f
IN1
= 11.9852035MHz
f
= 12.8934324MHz
AIN = -6.5dB FS
TWO-TONE ENVELOPE =
-0.498dB FS
f
IN2
f
IN1
57
56
55
59
58
60
61
1
10
100
SIGNAL-TO-NOISE RATIO vs.
ANALOG INPUT FREQUENCY
M
ANALOG INPUT FREQUENCY (MHz)
SPURIOUS-FREE DYNAMIC RANGE vs.
ANALOG INPUT FREQUENCY
S
CHB
CHA
62
60
58
54
56
1
10
100
M
ANALOG INPUT FREQUENCY (MHz)
S
CHB
CHA
-74
-77
-80
-71
-68
-65
TOTAL HARMONIC DISTORTION vs.
ANALOG INPUT FREQUENCY
M
ANALOG INPUT FREQUENCY (MHz)
T
1
10
100
CHA
CHB
60
64
72
68
76
80
M
ANALOG INPUT FREQUENCY (MHz)
S
1
10
100
CHA
CHB
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MAX1185ECM/V+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 2Ch 20Msps High Speed 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
MAX1185ECM/V+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 2Ch 20Msps High Speed 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
MAX1185ECM+D 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 2Ch 20Msps High Speed 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
MAX1185ECM+TD 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 2Ch 20Msps High Speed 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
MAX1185ECM-D 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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