參數(shù)資料
型號(hào)： MAX1207
廠(chǎng)商： Maxim Integrated Products, Inc.
英文描述： 40Msps, 12-Bit ADC
中文描述： 12位，65Msps ADC
文件頁(yè)數(shù)： 3/29頁(yè)
文件大小： 609K
代理商： MAX1207
M
40Msps, 12-Bit ADC
_______________________________________________________________________________________
3
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
-92.5
-96.3
-93.8
-92.1
MAX
UNITS
f
IN
= 3MHz at -0.5dBFS
f
IN
= 20MHz at -0.5dBFS (Note 3)
f
IN
= 3MHz at -0.5dBFS
f
IN
= 20MHz at -0.5dBFS (Note 3)
f
IN1
= 69MHz at -7dBFS,
f
IN2
= 71MHz at -7dBFS
Second Harmonic
HD2
-84.9
dBc
Third Harmonic
HD3
-83.3
dBc
Third-Order Intermodulation
IM3
-89
dBc
Two-Tone Spurious-Free
Dynamic Range
SFDR
TT
f
IN1
= 69MHz at -7dBFS,
f
IN2
= 71MHz at -7dBFS
Figure 14
Figure 14
INP = INN = COM
88
dBc
Aperture Delay
Aperture Jitter
Output Noise
t
AD
t
AJ
n
OUT
0.9
<0.2
0.5
ns
ps
RMS
LSB
RMS
Clock
cycles
Overdrive Recovery Time
±10% beyond full scale
1
INTERNAL REFERENCE
(REFIN = REFOUT; V
REFP
, V
REFN
, and V
COM
are generated internally)
REFOUT Output Voltage
V
REFOUT
COM Output Voltage
V
COM
Differential Reference Output
Voltage
1.988
2.048
1.65
2.080
V
V
V
DD
/ 2
V
REF
V
REF
= V
REFP
- V
REFN
1.024
V
REFOUT Load Regulation
REFOUT Temperature Coefficient
35
mV/mA
ppm/
°
C
TC
REF
+100
0.24
2.1
Short to V
DD
Short to GND
REFOUT Short-Circuit Current
mA
B U F F ER ED EXT ER N A L R EF ER EN C E
( RE FIN d ven exter nal y, V
R E F N
= 2.048V V
R E F P
, V
R E F N
, and V
C OM
ar e g ener ated i nter nal y)
REFIN Input Voltage
V
REFIN
REFP Output Voltage
V
REFP
(V
DD
/ 2) + (V
REFIN
/ 4)
REFN Output Voltage
V
REFN
(V
DD
/ 2) - (V
REFIN
/ 4)
COM Output Voltage
V
COM
V
DD
/ 2
Differential Reference Output
Voltage
2.048
2.162
1.138
1.65
V
V
V
V
1.60
1.70
V
REF
V
REF
= V
REFP
- V
REFN
0.970
1.024
1.070
V
Differential Reference
Temperature Coefficient
+12.5
ppm/
°
C
Source
Sink
Source
Sink
Source
Sink
0.4
1.4
1.0
1.0
1.0
0.4
>50
Maximum REFP Current
I
REFP
mA
Maximum REFN Current
I
REFN
mA
Maximum COM Current
I
COM
mA
REFIN Input Resistance
M
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