參數(shù)資料
型號(hào)： MAX146BMJP
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： ADC
英文描述： +2.7Low-Power, 8-Channel, Serial 12-Bit ADCs
中文描述： 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CDIP20
封裝： CERAMIC, DIP-20
文件頁(yè)數(shù)： 2/24頁(yè)
文件大?。?/td> 198K
代理商： MAX146BMJP
M
+2.7V, Low-Power, 8-Channel,
S erial 12-Bit ADCs
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V
DD
to AGND, DGND................................................. -0.3V to 6V
AGND to DGND...................................................... -0.3V to 0.3V
CH0–CH7, COM to AGND, DGND ............ -0.3V to (V
DD
+ 0.3V)
VREF, REFADJ to AGND ........................... -0.3V to (V
DD
+ 0.3V)
Digital Inputs to DGND .............................................. -0.3V to 6V
Digital Outputs to DGND ........................... -0.3V to (V
DD
+ 0.3V)
Digital Output Sink Current.................................................25mA
Continuous Power Dissipation (T
A
= +70°C)
Plastic DIP (derate 11.11mW/°C above +70°C) ......... 889mW
ELECTRICAL CHARACTERISTICS
(V
DD
= +2.7V to +3.6V (MAX146); V
DD
= +2.7V to +5.25V (MAX147); COM = 0V; f
SCLK
= 2.0MHz; external clock (50% duty cycle); 15
clocks/conversion cycle (133ksps); MAX146—4.7μF capacitor at VREF pin; MAX147—external reference, VREF = 2.500V applied to
VREF pin; T
A
= T
MIN
to T
MAX
; unless otherwise noted.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
SSOP (derate 8.00mW/°C above +70°C) ................... 640mW
CERDIP (derate 11.11mW/°C above +70°C).............. 889mW
Operating Temperature Ranges
MAX146_C_P/MAX147_C_P.............................. 0°C to +70°C
MAX146_E_P/MAX147_E_P............................ -40°C to +85°C
MAX146_MJ P/MAX147_MJ P........................ -55°C to +125°C
Storage Temperature Range............................ -60°C to +150°C
Lead Temperature (soldering, 10sec) ............................ +300°C
μs
ns
ps
1.5
t
ACQ
Differential Nonlinearity
Track/Hold Acquisition Time
Aperture Delay
Aperture J itter
30
<50
1.8
0.225
6
μs
35
65
t
CONV
Conversion Time (Note 5)
5.5
7.5
MHz
1.0
Full-Power Bandwidth
CONVERSION RATE
MHz
2.25
Small-Signal Bandwidth
dB
-85
Channel-to-Channel Crosstalk
dB
80
90
SFDR
Spurious-Free Dynamic Range
dB
-88
-80
THD
Total Harmonic Distortion
dB
70
73
SINAD
Signal-to-Noise + Distortion Ratio
LSB
±0.25
Channel-to-Channel Offset
Matching
DYNAMIC SPECIFICATIONS
(10kHz sine-wave input, 0V to 2.500Vp-p, 133ksps, 2.0MHz external clock, bipolar input mode)
ppm/°C
±0.25
Gain Temperature Coefficient
±0.5
±1.0
±1
±3
±4
Bits
12
Resolution
LSB
Gain Error (Note 3)
±0.5
±4
Offset Error
LSB
INL
Relative Accuracy (Note 2)
LSB
DNL
±0.5
±0.5
LSB
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
External clock = 2MHz, 12 clocks/conversion
Internal clock,
SHDN
= V
DD
Internal clock,
SHDN
= FLOAT
MAX14_A
MAX14_B
No missing codes over temperature
MAX14_A
MAX14_B
-3dB rolloff
65kHz, 2.500V
p-p
(Note 4)
Up to the 5th harmonic
CONDITIONS
SHDN
= FLOAT
SHDN
= V
DD
MHz
Internal Clock Frequency
0.1
0
2.0
2.0
MHz
External Clock Frequency
Data transfer only
DC ACCURACY
(Note 1)
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