 English |
|
|
|
|
|
|
|
| MAX1282 Datasheet, PDF (4/24 Pages) Maxim Integrated Products – 300ksps/400ksps, Single-Supply, 4-Channel, Serial 12-Bit ADCs with Internal Reference | |||
| |||
| ◁ |
300ksps/400ksps, Single-Supply, 4-Channel,
Serial 12-Bit ADCs with Internal Reference
ELECTRICAL CHARACTERISTICSâMAX1282 (continued)
(VDD1 = VDD2 = +4.5V to +5.5V, COM = GND, fOSC = 6.4MHz, 50% duty cycle, 16 clocks/conversion cycle (400ksps), external
+2.5V at REF, REFADJ = VDD1, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
POWER SUPPLY
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Positive Supply Voltage
(Note 9)
Supply Current
Power-Supply Rejection
VDD1,
VDD2
4.5
5.5
V
IVDD1+
IVDD2
VDD1 =
VDD2 =
5.5V
Normal operating mode (Note 10)
Reduced-power mode (Note 11)
Fast power-down mode (Note 11)
Full power-down mode (Note 11)
2.5
4.0
1.3
2.0
mA
0.9
1.5
2.0
10
µA
PSR VDD1 = VDD2 = 5V ±10%, midscale input
±0.5 ±2.0 mV
ELECTRICAL CHARACTERISTICSâMAX1283
(VDD1 = VDD2 = +2.7V to +3.6V, COM = GND, fOSC = 4.8MHz, 50% duty cycle, 16 clocks/conversion cycle (300ksps), external
+2.5V at REF, REFADJ = VDD1, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
DC ACCURACY (Note 1)
Resolution
12
Bits
Relative Accuracy (Note 2)
INL
±1.0 LSB
Differential Nonlinearity
DNL No missing codes over temperature
±1.0 LSB
Offset Error
±6.0 LSB
Gain Error (Note 3)
±6.0 LSB
Gain-Error Temperature
Coefficient
±1.6
ppm/°C
Channel-to-Channel Offset-Error
Matching
±0.2
LSB
DYNAMIC SPECIFICATIONS (100kHz sine-wave input, 2.5Vp-p, 400ksps, 6.4MHz clock, bipolar input mode)
Signal-to-Noise plus Distortion
Ratio
SINAD
70
Total Harmonic Distortion
THD Up to the 5th harmonic
-70
Spurious-Free Dynamic Range SFDR
72
Intermodulation Distortion
IMD fIN1 = 73kHz, fIN2 = 77kHz
76
Channel-to-Channel Crosstalk
(Note 4)
f = 150kHz, VIN = 2.5Vp-p
-78
Full-Power Bandwidth
-3dB point
3
Full-Linear Bandwidth
SINAD > 68dB
250
dB
dB
dB
dB
dB
MHz
kHz
4 _______________________________________________________________________________________
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese