參數(shù)資料
型號: MAX1208
廠商: Maxim Integrated Products, Inc.
英文描述: 40Msps, 12-Bit ADC
中文描述: 12位、80Msps、3.3V ADC
文件頁數(shù): 4/29頁
文件大?。?/td> 609K
代理商: MAX1208
M
40Msps, 12-Bit ADC
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 3.3V, OV
DD
= 2.0V, GND = 0, REFIN = REFOUT (internal reference), C
REFOUT
= 0.1μF, C
L
5pF at digital outputs, V
IN
=
-0.5dBFS, CLKTYP = high, DCE = high, PD = low, G/
T
= low, f
CLK
= 40MHz (50% duty cycle), C
REFP
= C
REFN
= 0.1μF to GND, 1μF
in parallel with 10μF between REFP and REFN, C
COM
= 0.1μF in parallel with 2.2μF to GND, T
A
= -40
°
C to +85
°
C, unless otherwise
noted. Typical values are at T
A
= +25
°
C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
UNBUFFERED EXTERNAL REFERENCE
(REFIN = GND, V
REFP
, V
REFN
, and V
COM
are applied externally)
COM Input Voltage
V
COM
V
DD
/ 2
REFP Input Voltage
V
REFP
- V
COM
REFN Input Voltage
V
REFN
- V
COM
Differential Reference Input
Voltage
1.65
0.512
-0.512
V
V
V
V
REF
V
REF
= V
REFP
- V
REFN
1.024
V
REFP Sink Current
REFN Source Current
COM Sink Current
REFP, REFN, Capacitance
COM Capacitance
CLOCK INPUTS
(CLKP, CLKN)
I
REFP
I
REFN
I
COM
V
REFP
= 2.162V
V
REFN
= 1.138V
1.1
1.1
0.3
13
6
mA
mA
mA
pF
pF
Single-Ended Input High
Threshold
V
IH
CLKTYP = GND, CLKN = GND
0.8 x
V
DD
V
Single-Ended Input Low
Threshold
V
IL
CLKTYP = GND, CLKN = GND
0.2 x
V
DD
V
Differential Input Voltage Swing
CLKTYP = high
1.4
V
P-P
Differential Input Common-Mode
Voltage
CLKTYP = high
V
DD
/ 2
V
DCE = OV
DD
DCE = GND
DCE = OV
DD
DCE = GND
Figure 4
20
45
80
60
5
2
Minimum Clock Duty Cycle
%
Maximum Clock Duty Cycle
%
Input Resistance
Input Capacitance
DIGITAL INPUTS
(CLKTYP, G/
T
, PD)
R
CLK
C
CLK
k
pF
Input High Threshold
V
IH
0.8 x
OV
DD
V
Input Low Threshold
V
IL
0.2 x
OV
DD
±
5
±
5
V
V
IH
= OV
DD
V
IL
= 0
Input Leakage Current
μA
Input Capacitance
C
DIN
5
pF
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