參數(shù)資料
型號: MAX1422CCM+TD
廠商: Maxim Integrated Products
文件頁數(shù): 9/15頁
文件大?。?/td> 0K
描述: IC ADC 12BIT 20MSPS 48LQFP
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,000
位數(shù): 12
采樣率(每秒): 20M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 152mW
電壓電源: 模擬和數(shù)字
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應商設備封裝: 48-LQFP(7x7)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個差分,雙極
MAX1422
12-Bit, 20Msps, 3.3V, Low-Power ADC with
Internal Reference
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Common-Mode Input Voltage
Range (Note 5)
VCMVR
VCML
±5%
V
Differential Input Range
VIN
VINP - VINN (Note 6)
±VDIFF
V
Small-Signal Bandwidth
BW-3dB
(Note 7)
400
MHz
Large-Signal Bandwidth
FPBW -3dB
(Note 7)
150
MHz
Overvoltage Recovery
OVR
1.5
FS input
1
Clock
cycles
INTERNAL REFERENCE (REFIN bypassed with 0.22F in parallel with 1nF)
Common-Mode Reference
Voltage
VCML
At CML
VAVDD 0.5
V
Positive Reference Voltage
VREFP
At REFP
VCML
+ 0.512
V
Negative Reference Voltage
VREFN
At REFN
VCML
- 0.512
V
Differential Reference Voltage
VDIFF
(Note 6)
1.024
±5%
V
Differential Reference
Temperature Coefficient
REFTC
±100
ppm/
°C
EXTERNAL REFERENCE (VREFIN = 2.048V)
REFIN Input Resistance
RIN
(Note 8)
5
k
REFIN Input Capacitance
CIN
10
pF
REFIN Reference Input Voltage
Range
VREFIN
2.048
±10%
V
Differential Reference Voltage
Range
VDIFF
(Note 6)
0.92
VREFIN/2
1.08
VREFIN/2
V
EXTERNAL REFERENCE (VREFIN = 0, reference voltage applied to REFP, REFN, and CML)
REFP, REFN, CML Input Current
IIN
-200
200
A
REFP, REFN, CML Input
Capacitance
CIN
15
pF
Differential Reference Voltage
Range
VDIFF
(Note 6)
1.024
±10%
V
CML Input Voltage Range
VCML
1.65
±10%
V
REFP Input Voltage Range
VREFP
VCML +
VDIFF/2
V
REFN Input Voltage Range
VREFN
VCML -
VDIFF/2
V
DIGITAL INPUTS (CLK, CLK, PD, OE)
Input Logic High
VIH
0.7
VDVDD
V
Input Logic Low
VIL
0.3
VDVD
V
ELECTRICAL CHARACTERISTICS (continued)
(VAVDD = VDVDD = 3.3V, AGND = DGND = 0, VIN = ±1.024V, differential input voltage at -0.5dBFS, internal reference, fCLK = 20MHz (50%
duty cycle); digital output load CL = 10pF,
≥+25°C guaranteed by production test, <+25°C guaranteed by design and characterization.
Typical values are at TA = +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
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