MAX11102 查看數據表（PDF） - Maxim Integrated
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MAX11102 Datasheet PDF : 30 Pages
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2Msps/3Msps, Low-Power,
Serial 12-/10-/8-Bit ADCs
ELECTRICAL CHARACTERISTICS (MAX11102/MAX11103) (continued)
(VDD = 2.2V to 3.6V, VREF = VDD, VOVDD = VDD. MAX11102: fSCLK = 32MHz, 50% duty cycle, 2Msps. MAX11103: fSCLK = 48MHz,
50% duty cycle, 3Msps. CDOUT = 10pF, TA = -40NC to +125NC, unless otherwise noted. Typical values are at TA = +25NC.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
POWER SUPPLY
Positive Supply Voltage
VDD
2.2
3.6
V
Digital I/O Supply Voltage
VOVDD
1.5
VDD
V
Positive Supply Current
(Full-Power Mode)
Positive Supply Current (Full-
Power Mode), No Clock
IVDD
IOVDD
IVDD
MAX11103, VAIN_ = VGND
MAX11102, VAIN_ = VGND
MAX11103, VAIN_ = VGND
MAX11102, VAIN_ = VGND
MAX11103
MAX11102
3.3
2.6
mA
0.33
0.22
1.98
mA
1.48
Power-Down Current
IPD
Leakage only
1.3
10
FA
Line Rejection
VDD = +2.2V to +3.6V, VREF = 2.2V
0.7
LSB/V
TIMING CHARACTERISTICS (Note 1)
Quiet Time
CS Pulse Width
CS Fall to SCLK Setup
CS Falling Until DOUT High-
Impedance Disabled
tQ
t1
t2
t3
(Note 2)
4
ns
10
ns
5
ns
1
ns
Data Access Time After SCLK
Falling Edge
t4
Figure 2, VOVDD = 2.2V - 3.6V
Figure 2, VOVDD = 1.5V - 2.2V
15
ns
16.5
SCLK Pulse Width Low
t5
Percentage of clock period
40
60
%
SCLK Pulse Width High
Data Hold Time From SCLK
Falling Edge
t6
Percentage of clock period
t7
Figure 3
40
60
%
5
ns
SCLK Falling Until DOUT High-
Impedance
t8
Figure 4 (Note 2)
2.5
14
ns
Power-Up Time
Conversion cycle
1
Cycle
ELECTRICAL CHARACTERISTICS (MAX11105)
(VDD = 2.2V to 3.6V, fSCLK = 32MHz, 50% duty cycle, 2Msps, CDOUT = 10pF, TA = -40NC to +125NC, unless otherwise noted. Typical
values are at TA = +25NC.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
DC ACCURACY
Resolution
12
Bits
Integral Nonlinearity
INL
Q1
LSB
Differential Nonlinearity
DNL No missing codes
Q1
LSB
Offset Error
OE
Q0.3 Q3
LSB
Gain Error
GE
Excluding offset and reference errors
Q1
Q3
LSB
Total Unadjusted Error
TUE
Q1.5
LSB
DYNAMIC PERFORMANCE
Signal-to-Noise and Distortion
SINAD fAIN = 500kHz
70
72.5
dB
Signal-to-Noise Ratio
SNR fAIN = 500kHz
70.5
73
dB
4 _______________________________________________________________________________________
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