MAX148BMJP Maxim Integrated, MAX148BMJP Datasheet - Page 3

• Manufacturer Part Number: MAX148BMJP
• Description: Analog to Digital Converters - ADC
• Manufacturer: Maxim Integrated

Specifications of MAX148BMJP

• Number Of Channels: 8/4
• Architecture: SAR
• Conversion Rate: 133 KSPs
• Resolution: 10 bit
• Input Type: Single-Ended/Differential
• Snr: Yes
• Interface Type: 4-Wire, Microwire, QSPI, Serial, SPI
• Operating Supply Voltage: 2.7 V to 5.25 V
• Maximum Operating Temperature: + 125 C
• Package / Case: CDIP N
• Maximum Power Dissipation: 640 mW
• Minimum Operating Temperature: - 55 C
• Number Of Converters: 1
• Voltage Reference: External

ELECTRICAL CHARACTERISTICS (continued)
(V
MAX149—4.7FF capacitor at V
otherwise noted.)
CONVERSION RATE (continued)
Internal Clock Frequency
External Clock Frequency
ANALOG/COM INPUTS
Input Voltage Range, Single-
Ended and Differential (Note 6)
Multiplexer Leakage Current
Input Capacitance
INTERNAL REFERENCE (MAX149 Only, Reference Buffer Enabled)
V
V
V
Load Regulation (Note 8)
Capacitive Bypass at V
Capacitive Bypass at REFADJ
REFADJ Adjustment Range
EXTERNAL REFERENCE AT V
V
(Note 9)
V
V
Shutdown V
REFADJ Buffer-Disable Threshold
EXTERNAL REFERENCE AT REFADJ
Capacitive Bypass at V
Reference Buffer Gain
REFADJ Input Current
DD
REF
REF
REF
REF
REF
REF
= +2.7V to +5.25V; COM = 0; f
Output Voltage
Short-Circuit Current
Temperature Coefficient
Input Voltage Range
Input Current
Input Resistance
PARAMETER
REF
Input Current
+2.7V to +5.25V, Low-Power, 8-Channel,
REF
REF
REF
REF
pin; MAX148—external reference, V
SYMBOL
(Buffer Disabled)
SCLK
= 2.0MHz; external clock (50% duty cycle); 15 clocks/conversion cycle (133ksps);
SHDN = unconnected
SHDN = V
Data transfer only
Unipolar, COM = 0
Bipolar, V
On/off leakage current, V
T
MAX149
0 to 0.2mA output load
Internal compensation mode
External compensation mode
V
Internal compensation mode
External compensation mode
MAX149
MAX148
MAX149
MAX148
A
REF
= +25°C (Note 7)
= 2.500V
COM
DD
CONDITIONS
= V
REF
REF
/2
CH_
= 2.500V applied to V
= 0 or V
Serial 10-Bit ADCs
DD
2.470
V
MIN
0.01
REF
0.1
4.7
1.0
0.5
4.7
DD
18
1
0
0
-
pin; T
±0.01
0.225
2.500
±1.5
TYP
0.35
0.01
2.06
2.00
±30
100
1.8
A
16
25
= T
MIN
0 to V
±V
V
2.530
50mV
MAX
±50
±10
150
DD
2.0
2.0
REF
to T
±1
30
10
REF
+
/2
MAX
ppm/°C
UNITS
, unless
MHz
MHz
mA
mV
V/V
kΩ
μA
pF
μF
μF
μA
μA
μF
μA
%
V
V
V
V
3