參數(shù)資料
型號: MAX1421CCM+TD
廠商: Maxim Integrated Products
文件頁數(shù): 11/17頁
文件大小: 0K
描述: IC ADC 12BIT 40MSPS 48LQFP
標準包裝: 2,000
位數(shù): 12
采樣率(每秒): 40M
數(shù)據(jù)接口: 并聯(lián)
轉換器數(shù)目: 1
功率耗散(最大): 214mW
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
MAX1421
12-Bit, 40Msps, 3.3V, Low-Power ADC
with Internal Reference
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VAVDD = VDVDD = 3.3V, AGND = DGND = 0, VIN = ±1.024V, differential input voltage at -0.5dB FS, internal reference,
fCLK = 40MHz (50% duty cycle), digital output load CL
≈ 10pF, TA ≥ +25°C guaranteed by production test, TA < +25°C guarnateed
by design and characterization. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Differential Gain
DG
±1%
Differential Phase
DP
±0.25
degrees
ANALOG INPUTS (INP, INN, CML)
Input Resistance
RIN
Either input to ground
32.5
k
Input Capacitance
CIN
Either input to ground
4
pF
Common-Mode Input Level
(Note 5)
VCML
VAVDD
× 0.5
V
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
Cycle
INTERNAL REFERENCE (REFIN bypassed with 0.22F in parallel with 1nF)
Common-Mode Reference Input
Voltage
VCML
At CML
VAVDD
0.5
V
Positive Reference Voltage
Range
VREFP
At REFP
VCML
+ 0.512
V
Negative Reference Voltage
Range
VREFN
At REFN
VCML
- 0.512
V
Differential Reference Voltage
Range
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
VREFIN
2.048
±10%
V
Differential Reference Voltage
VDIFF
(Note 6)
0.92
VREFIN /
2
VREFIN /
2
1.08
VREFIN /
2
V
EXTERNAL REFERENCE (VREFIN = AGND, 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
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