MAX144 Maxim, MAX144 Datasheet - Page 2

• Manufacturer Part Number: MAX144
• Description: +2.7V / Low-Power / 2-Channel / 108ksps / Serial 12-Bit ADCs in 8-Pin MAX
• Manufacturer: Maxim

ABSOLUTE MAXIMUM RATINGS
V
CH0, CH1 (CH+, CH-) to GND ................. -0.3V to (V
REF to GND .............................................. -0.3V to (V
Digital Inputs to GND. ............................................. -0.3V to +6V
DOUT to GND............................................ -0.3V to (V
DOUT Sink Current ........................................................... 25mA
Continuous Power Dissipation (T
+2.7V, Low-Power, 2-Channel, 108ksps,
Serial 12-Bit ADCs in 8-Pin µMAX
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.
ELECTRICAL CHARACTERISTICS
(V
CH- = GND for MAX145, T
2
DD
DC ACCURACY (Note 1)
DYNAMIC SPECIFICATIONS (f
CONVERSION RATE
Resolution
Relative Accuracy (Note 2)
Differential Nonlinearity
Offset Error
Gain Error (Note 3)
Gain Temperature Coefficient
Channel-to-Channel Offset
Matching
Channel-to-Channel Gain
Matching
Signal-to-Noise Plus
Distortion Ratio
Total Harmonic Distortion
(including 5th-order harmonic)
Spurious-Free Dynamic Range
Channel-to-Channel Crosstalk
Small-Signal Bandwidth
Full-Power Bandwidth
Conversion Time (Note 5)
T/H Acquisition Time
Aperture Delay
Aperture Jitter
Serial Clock Frequency
µMAX (derate 4.1mW/°C above +70°C) .................... 330mW
DD
_______________________________________________________________________________________
to GND ..............................................................-0.3V to +6V
= +2.7V to +5.25V, V
PARAMETER
A
= T
REF
MIN
A
IN(sine-wave)
= +70°C)
= 2.5V, 0.1µF capacitor at REF, f
SYMBOL
to T
SINAD
t
SFDR
f
CONV
t
DNL
THD
SCLK
RES
INL
ACQ
MAX
, unless otherwise noted. Typical values are at T
= 10kHz, V
MAX14_A
MAX14_B
No missing codes over temperature
f
-3dB rolloff
External clock, f
16 clocks/conversion cycle
Internal clock
External clock mode
Internal clock mode, for data transfer only
IN
= 65kHz, V
DD
DD
DD
+ 0.3V)
+ 0.3V)
+ 0.3V)
IN
= 2.5Vp-p, 108ksps, f
CONDITIONS
IN
SCLK
= 2.5Vp-p (Note 4)
= 2.17MHz,
Operating Temperature Ranges (T
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10sec) .............................+300°C
SCLK
Plastic DIP (derate 9.09mW/°C above +70°C) ............727mW
CERDIP (derate 8.00mW/°C above +70°C) . .............. 640mW
MAX144/MAX145_C_A .......................................0°C to +70°C
MAX144/MAX145_E_A. ...................................-40°C to +85°C
MAX144/MAX145_M_A ................................ -55°C to +125°C
= 2.17MHz, 16 clocks/conversion cycle (108ksps),
SCLK
= 2.17MHz, CH- = GND for MAX145)
A
MIN
7.4
0.1
= +25°C.)
12
70
80
5
0
A
±0.05
±0.05
)
TYP
±0.8
2.25
<50
-85
1.0
25
±0.75
MAX
±0.5
2.17
-80
2.5
±1
±3
±3
7
5
ppm/°C
UNITS
MHz
MHz
MHz
LSB
LSB
LSB
LSB
LSB
LSB
Bits
dB
dB
dB
dB
µs
µs
ns
ps