參數(shù)資料
型號： MAX1422ECM
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： ADC
英文描述： 12-Bit, 20Msps, 3.3V, Low-Power ADC with Internal Reference
中文描述： 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48
封裝： 7 X 7 MM, 1.40 MM HEIGHT, MS-026-BBC, TQFP-48
文件頁數(shù)： 3/15頁
文件大小： 727K
代理商： MAX1422ECM
M
12-Bit, 20Msps, 3.3V, Low-Power ADC with
Internal Reference
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
V
CML
±
5%
±
V
DIFF
400
150
MAX
UNITS
Common-Mode Input Voltage
Range (Note 5)
Differential Input Range
Small-Signal Bandwidth
Large-Signal Bandwidth
V
CMVR
V
V
IN
V
INP
- V
INN
(Note 6)
(Note 7)
(Note 7)
V
BW
-3dB
FPBW
-3dB
MHz
MHz
Clock
cycles
Overvoltage Recovery
OVR
1.5
FS input
1
INTERNAL REFERENCE
(REFIN bypassed with 0.22μF in parallel with 1nF)
Common-Mode Reference
Voltage
V
CML
At CML
V
AVDD
0.5
V
Positive Reference Voltage
V
REFP
At REFP
V
CML
+ 0.512
V
CML
- 0.512
1.024
±
5%
V
Negative Reference Voltage
V
REFN
At REFN
V
Differential Reference Voltage
V
DIFF
(Note 6)
V
Differential Reference
Temperature Coefficient
EXTERNAL REFERENCE
(V
REFIN
= 2.048V)
REFIN Input Resistance
REFIN Input Capacitance
REFIN Reference Input Voltage
Range
Differential Reference Voltage
Range
EXTERNAL REFERENCE
(V
REFIN
= 0, reference voltage applied to REFP, REFN, and CML)
REFP, REFN, CML Input Current
I
IN
REFP, REFN, CML Input
Capacitance
Differential Reference Voltage
Range
REFTC
±
100
ppm/
°
C
R
IN
C
IN
(Note 8)
5
k
pF
10
V
REFIN
2.048
±
10%
V
V
DIFF
(Note 6)
0.92
V
REFIN
/2
V
REFIN
/2
1.08
V
REFIN
/2
V
-200
200
μA
C
IN
15
pF
V
DIFF
(Note 6)
1.024
±
10%
1.65
±
10%
V
CML
+
V
DIFF
/2
V
CML
-
V
DIFF
/2
V
CML Input Voltage Range
V
CML
V
REFP Input Voltage Range
V
REFP
V
REFN Input Voltage Range
V
REFN
V
DIGITAL INPUTS
(CLK,
CLK
, PD,
OE
)
Input Logic High
V
IH
0.7
V
DVDD
V
Input Logic Low
V
IL
0.3
V
DVD
V
ELECTRICAL CHARACTERISTICS (continued)
(V
AVDD
= V
DVDD
= 3.3V, AGND = DGND = 0, V
IN
= ±1.024V, differential input voltage at -0.5dBFS, internal reference, f
CLK
= 20MHz (50%
duty cycle); digital output load C
L
= 10pF,
≥
+25°C guaranteed by production test, <+25°C guaranteed by design and characterization.
Typical values are at T
A
= +25°C.)
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MAX1422ECM-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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1422ECM-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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
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