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| MAX157 Datasheet, PDF (2/16 Pages) Maxim Integrated Products – Dual-Channel CardBus and PCMCIA VCC/VPP Power-Switching Networks | |||
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+2.7V, Low-Power, 2-Channel,
108ksps, Serial 10-Bit ADCs in 8-Pin µMAX
ABSOLUTE MAXIMUM RATINGS
VDD to GND. .............................................................-0.3V to +6V
CH0, CH1 (CH+, CH-) to GND...................-0.3V to (VDD + 0.3V)
REF to GND ................................................-0.3V to (VDD + 0.3V)
Digital Inputs to GND ...............................................-0.3V to +6V
DOUT to GND.............................................-0.3V to (VDD + 0.3V)
DOUT Sink Current ............................................................ 25mA
Continuous Power Dissipation (TA = +70°C)
µMAX (derate 4.1mW/°C above +70°C) ......................330mW
Plastic DIP (derate 9.09mW/°C above +70°C) ............727mW
CERDIP (derate 8.00mW/°C above +70°C) .................640mW
Operating Temperature Ranges
MAX157/MAX159_C_A .......................................0°C to +70°C
MAX157/MAX159_E_A ....................................-40°C to +85°C
MAX157/MAX159_MJA................................. -55°C to +125°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10sec) .............................+300°C
Stresses beyond those listed under âAbsolute Maximum Ratingsâ 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.
ELECTRICAL CHARACTERISTICS
(VDD = +2.7V to +5.25V, VREF = 2.5V, 0.1µF capacitor at REF, fSCLK = 2.17MHz, 16 clocks/conversion cycle (108ksps),
CH- = GND for MAX159, 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
RES
10
Bits
Relative Accuracy (Note 2)
MAX15_A
INL
MAX15_B
±0.5
LSB
±1
Differential Nonlinearity
DNL No missing codes over temperature
±0.5 LSB
Offset Error
±2
LSB
Gain Error (Note 3)
±2
LSB
Gain Temperature Coefficient
External reference, VREF = 2.5V
±0.8
ppm/°C
Channel-to-Channel Offset
Matching
±0.02
LSB
Channel-to-Channel Gain
Matching
±0.02
LSB
DYNAMIC SPECIFICATIONS (fIN (sine wave) = 10kHz, VIN = 2.5Vp-p, 108ksps, external fSCLK = 2.17MHz, CH- = GND for MAX159)
Signal-to-Noise Ratio plus
Distortion
SINAD
66
dB
Total Harmonic Distortion
(including 5th-order harmonic)
THD
-70
dB
Spurious-Free Dynamic Range
Channel-to-Channel Crosstalk
Small-Signal Bandwidth
Full-Power Bandwidth
SFDR
fIN = 65kHz, VIN = 2.5Vp-p (Note 4)
-3dB rolloff
70
dB
-75
dB
2.25
MHz
1.0
MHz
2 _______________________________________________________________________________________
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