MAX146BCPP Maxim Integrated, MAX146BCPP Datasheet - Page 3

• Manufacturer Part Number: MAX146BCPP
• Description: Analog to Digital Converters - ADC
• Manufacturer: Maxim Integrated

Specifications of MAX146BCPP

• Number Of Channels: 8/4
• Architecture: SAR
• Conversion Rate: 133 KSPs
• Resolution: 12 bit
• Input Type: Single-Ended/Differential
• Snr: Yes
• Interface Type: 4-Wire (SPI, Microwire, QSPI, TMS320)
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 70 C
• Package / Case: PDIP N
• Maximum Power Dissipation: 889 mW
• Minimum Operating Temperature: 0 C
• Number Of Converters: 1
• Voltage Reference: Internal 2.5 V or External

ELECTRICAL CHARACTERISTICS (continued)
(V
clocks/conversion cycle (133ksps); MAX146—4.7µF capacitor at VREF pin; MAX147—external reference, VREF = 2.500 V applied to
VREF pin; T
Track/Hold Acquisition Time
Aperture Delay
Aperture Jitter
Internal Clock Frequency
External Clock Frequency
Input Voltage Range, Single-
Ended and Differential (Note 6)
Multiplexer Leakage Current
Input Capacitance
VREF Output Voltage
VREF Short-Circuit Current
VREF Temperature Coefficient
Load Regulation (Note 7)
Capacitive Bypass at VREF
Capacitive Bypass at REFADJ
REFADJ Adjustment Range
VREF Input Voltage Range
(Note 8)
VREF Input Current
VREF Input Resistance
Shutdown VREF Input Current
REFADJ Buffer Disable Threshold
Capacitive Bypass at VREF
Reference Buffer Gain
REFADJ Input Current
ANALOG/COM INPUTS
INTERNAL REFERENCE (MAX146 only, reference buffer enabled)
EXTERNAL REFERENCE AT VREF (Buffer disabled)
EXTERNAL REFERENCE AT REFADJ
DD
= +2.7V to +3.6V (MAX146); V
PARAMETER
A
= T
MIN
to T
_______________________________________________________________________________________
MAX
; unless otherwise noted.)
DD
SYMBOL
= +2.7V to +5.25V (MAX147); COM = 0; f
t
ACQ
SHDN = FLOAT
SHDN = V
Data transfer only
Unipolar, COM = 0V
Bipolar, COM = VREF / 2
On/off leakage current, V
T
MAX146_C
MAX146_E
MAX146_M
0 to 0.2mA output load
Internal compensation mode
External compensation mode
VREF = 2.5V
Internal compensation mode
External compensation mode
MAX146
MAX147
MAX146
MAX147
A
+2.7V, Low-Power, 8-Channel,
= +25°C
DD
CONDITIONS
CH_
= 0V or V
SCLK
Serial 12-Bit ADCs
= 2.0MHz; external clock (50% duty cycle); 15
DD
2.480
0.047
V
MIN
0.1
4.7
1.0
0.5
4.7
DD
18
0
0
0
-
0.225
±0.01
2.500
TYP
0.35
±1.5
0.01
2.06
2.00
<50
±30
±30
±30
100
1.8
30
16
25
±VREF / 2
0 to VREF
V
50mV
2.520
MAX
±50
±60
±80
DD
±50
±10
150
1.5
2.0
2.0
±1
30
10
+
ppm/°C
UNITS
MHz
MHz
mA
mV
V/V
µA
pF
µA
kΩ
µA
µA
µs
ns
ps
µF
µF
µF
%
V
V
V
V
3