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| MAX1080 Datasheet, PDF (4/24 Pages) Maxim Integrated Products – 300ksps/400ksps, Single-Supply, Low-Power, 8-Channel, Serial 10-Bit ADCs with Internal Reference | |||
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300ksps/400ksps, Single-Supply, Low-Power,
8-Channel, Serial 10-Bit ADCs with Internal Reference
ELECTRICAL CHARACTERISTICSâMAX1080 (continued)
(VDD1 = VDD2 = +4.5V to +5.5V, COM = GND, fSCLK = 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
10
µA
PSR VDD1 = VDD2 = 5V ±10%, midscale input
±0.5 ±2.0 mV
ELECTRICAL CHARACTERISTICSâMAX1081
(VDD1 = VDD2 = +2.7V to +3.6V, COM = GND, fSCLK = 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
DC ACCURACY (Note 1)
Resolution
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
10
Bits
Relative Accuracy (Note 2)
Differential Nonlinearity
Offset Error
Gain Error (Note 3)
INL
DNL
MAX1081A
MAX1081B
No missing codes over temperature
±0.5
LSB
±1.0
±1.0 LSB
±3.0 LSB
±3.0 LSB
Gain-Error Temperature
Coefficient
±1.6
ppm/°C
Channel-to-Channel Offset-Error
Matching
±0.2
DYNAMIC SPECIFICATIONS (75kHz sine-wave input, 2.5Vp-p, 300ksps, 4.8MHz clock, bipolar input mode)
Signal-to-Noise plus Distortion
Ratio
SINAD
60
Total Harmonic Distortion
THD Up to the 5th harmonic
-70
Spurious-Free Dynamic Range SFDR
70
Intermodulation Distortion
IMD fIN1 = 73kHz, fIN2 = 77kHz
76
Channel-to-Channel Crosstalk
(Note 4)
fIN = 150kHz, VIN = 2.5Vp-p
-78
Full-Power Bandwidth
-3dB point
3
Full-Linear Bandwidth
SINAD > 58dB
250
LSB
dB
dB
dB
dB
dB
MHz
kHz
4 _______________________________________________________________________________________
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