參數(shù)資料
型號： MAX1421
廠商： Maxim Integrated Products, Inc.
英文描述： 12-Bit, 40Msps, +3.3V, Low-Power ADC with Internal Reference
中文描述： 12位、40Msps、3.3V、低功耗ADC，內(nèi)置電壓基準(zhǔn)
文件頁數(shù)： 3/17頁
文件大?。?/td> 310K
代理商： MAX1421
M
12-Bit, 40Msps, +3.3V, Low-Power ADC
with Internal Reference
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
AVDD
= V
DVDD
= +3.3V, AGND = DGND = 0, V
IN
= ±1.024V, differential input voltage at -0.5dB FS, internal reference,
f
CLK
= 40MHz (50% duty cycle), digital output load C
L
≈
10pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at
T
A
= +25
°
C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Differential Gain
Differential Phase
ANALOG INPUTS
(INP, INN, CML)
Input Resistance
Input Capacitance
DG
DP
±
1
%
±
0.25
degrees
R
IN
C
IN
Either input to ground
Either input to ground
32.5
4
k
pF
Common-Mode Input Level,
(Note 5)
V
CML
V
AVDD
×
0.5
V
Common-Mode Input Voltage
Range, (Note 5)
V
CMVR
V
CML
±
5%
±
V
DIFF
400
150
V
Differential Input Range
Small-Signal Bandwidth
Large-Signal Bandwidth
V
IN
V
INP
- V
INN
(Note 6)
(Note 7)
(Note 7)
V
BW
-3dB
FPBW
-3dB
MHz
MHz
Over-Voltage Recovery
OVR
1.5
FS input
1
Clock
Cycle
INTERNAL REFERENCE
(REFIN bypassed with 0.22μF in parallel with 1nF)
Common-Mode Reference Input
Voltage
V
CML
At CML
V
AVDD
0.5
V
Positive Reference Voltage
Range
V
REFP
At REFP
V
CML
+ 0.512
V
Negative Reference Voltage
Range
V
REFN
At REFN
V
CML
- 0.512
V
Differential Reference Voltage
Range
V
DIFF
V
DIFF
= V
REFP
- V
REFN
1.024
±
5%
V
Differential Reference
Temperature Coefficient
REFTC
±
100
ppm/
°
C
EXTER N AL R EF ER EN C E
REFIN Input Resistance
REFIN Input Capacitance
R
IN
C
IN
(Note 8)
5
k
pF
10
REFIN Reference Input Voltage
V
REFIN
2.048
±
10%
V
Differential Reference Voltage
V
DIFF
V
DIFF
= (V
REFP
- V
REFN
)
0.95
V
REFIN
/2V
REFIN
/2
1.05
V
REFIN
/2
V
EXTERNAL REFERENCE
(V
REFIN
= AGND, reference voltage applied to REFP, REFN and CML)
REFP, REFN, CML Input Current
I
IN
REFP, REFN, CML Input
Capacitance
-200
200
μA
C
IN
15
pF
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1421CCM 制造商:Maxim Integrated Products 功能描述:48 PINS TQFP PKG - Bulk
MAX1421CCM+D 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 40Msps 3.3V 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
MAX1421CCM+TD 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 40Msps 3.3V 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
MAX1421CCM-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
MAX1421CCM-TD 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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