MAX146ACAP+ Maxim Integrated Products, MAX146ACAP+ Datasheet - Page 2

• Manufacturer Part Number: MAX146ACAP+
• Description: IC ADC LP 12-BIT 133KSPS 20-SSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX146ACAP+

• Number Of Bits: 12
• Sampling Rate (per Second): 133k
• Data Interface: MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 640mW
• Voltage Supply Source: Single Supply
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 20-SSOP
• Architecture: SAR
• Conversion Rate: 133 KSPs
• Resolution: 12 bit
• Interface Type: 4-Wire (SPI, QSPI, MICROWIRE, TMS320)
• Voltage Reference: Internal 2.5 V or External
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ABSOLUTE MAXIMUM RATINGS
V
AGND to DGND ...................................................... -0.3V to 0.3V
CH0–CH7, COM to AGND, DGND ............ -0.3V to (V
VREF, REFADJ to AGND ........................... -0.3V to (V
Digital Inputs to DGND .............................................. -0.3V to 6V
Digital Outputs to DGND ........................... -0.3V to (V
Digital Output Sink Current .................................................25mA
ELECTRICAL CHARACTERISTICS
(V
clocks/conversion cycle (133ksps); MAX146—4.7µF capacitor at VREF pin; MAX147—external reference, VREF = 2.500 V applied to
VREF pin; T
+2.7V, Low-Power, 8-Channel,
Serial 12-Bit ADCs
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.
2
Resolution
Relative Accuracy (Note 2)
No Missing Codes
Differential Nonlinearity
Offset Error
Gain Error (Note 3)
Gain Temperature Coefficient
Channel-to-Channel Offset
Matching
Signal-to-Noise + Distortion Ratio
Total Harmonic Distortion
Spurious-Free Dynamic Range
Channel-to-Channel Crosstalk
Small-Signal Bandwidth
Full-Power Bandwidth
Conversion Time (Note 5)
DD
DC ACCURACY (Note 1 )
DYNAMIC SPECIFICATIONS (10kHz sine-wave input, 0V to 2.500Vp-p, 133ksps, 2.0MHz external clock, bipolar input mode)
CONVERSION RATE
DD
_______________________________________________________________________________________
to AGND, DGND................................................. -0.3V to 6V
= +2.7V to +3.6V (MAX146); V
PARAMETER
A
= T
MIN
to T
MAX
; unless otherwise noted.)
DD
SYMBOL
SINAD
t
SFDR
NMC
CONV
DNL
THD
= +2.7V to +5.25V (MAX147); COM = 0; f
INL
MAX14_A
MAX14_B
MAX147C
MAX14_A/MAX14_B
MAX147C
MAX14_A
MAX14_B/MAX147C
MAX14_A/MAX14_B
MAX147C
Up to the 5th
harmonic
MAX14_A/MAX14_B
MAX147C
65kHz, 2.500V
-3dB rolloff
Internal clock, SHDN = FLOAT
Internal clock, SHDN = V
External clock = 2MHz, 12 clocks/conversion
DD
DD
DD
+ 0.3V)
+ 0.3V)
+ 0.3V)
p-p
CONDITIONS
(Note 4)
Continuous Power Dissipation (T
Operating Temperature Ranges
Storage Temperature Range ............................ -60°C to +150°C
Lead Temperature (soldering, 10s) ................................ +300°C
Plastic DIP (derate 11.11mW/°C above +70°C) ......... 889mW
SSOP (derate 8.00mW/°C above +70°C) ................... 640mW
CERDIP (derate 11.11mW/°C above +70°C) .............. 889mW
MAX146_C_P/MAX147_C_P .............................. 0°C to +70°C
MAX146_E_P/MAX147_E_P............................ -40°C to +85°C
MAX146_MJP/MAX147_MJP ........................ -55°C to +125°C
MAX14_A/MAX14_B
MAX147C
DD
SCLK
= 2.0MHz; external clock (50% duty cycle); 15
MIN
5.5
12
12
70
80
35
6
A
= +70°C)
±0.25
±0.25
±0.8
±0.5
±0.5
±0.5
TYP
2.25
-88
-88
-85
1.0
73
73
90
90
MAX
±0.5
±1.0
±2.0
±1.0
-80
7.5
±3
±4
±4
65
ppm/°C
UNITS
MHz
MHz
LSB
LSB
LSB
LSB
LSB
Bits
Bits
dB
dB
dB
dB
µs