MAX1247BCPE+ Maxim Integrated Products, MAX1247BCPE+ Datasheet - Page 3

• Manufacturer Part Number: MAX1247BCPE+
• Description: IC ADC SRL 4CH 12BIT 2.7V 16-DIP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1247BCPE+

• Number Of Bits: 12
• Sampling Rate (per Second): 133k
• Data Interface: MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 842mW
• Voltage Supply Source: Single Supply
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 16-DIP (0.300", 7.62mm)
• Number Of Adc Inputs: 4
• Architecture: SAR
• Conversion Rate: 133 KSPs
• Resolution: 12 bit
• Input Type: Voltage
• Interface Type: 4-Wire (SPI, QSPI, MICROWIRE, TMS320)
• Supply Voltage (max): 5.25 V
• Supply Voltage (min): 2.7 V
• Maximum Power Dissipation: 842 mW
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
15 clocks/conversion cycle (133ksps); MAX1246—4.7µF capacitor at VREF pin; MAX1247—external reference, VREF = 2.5V applied
to VREF pin; T
ANALOG/COM INPUTS
CONVERSION RATE
Conversion Time (Note 5)
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
INTERNAL REFERENCE (MAX1246 only, reference buffer enabled)
VREF Output Voltage
VREF Short-Circuit Current
VREF Temperature Coefficient
Load Regulation (Note 8)
Capacitive Bypass at VREF
Capacitive Bypass at REFADJ
REFADJ Adjustment Range
EXTERNAL REFERENCE AT VREF (Buffer disabled)
VREF Input Voltage Range
(Note 9)
VREF Input Current
VREF Input Resistance
Shutdown VREF Input Current
REFADJ Buffer Disable
Threshold
DD
= +2.7V to +3.6V (MAX1246); V
PARAMETER
A
= T
MIN
_______________________________________________________________________________________
to T
MAX
; unless otherwise noted.)
DD
SYMBOL
t
CONV
t
ACQ
= +2.7V to +5.25V (MAX1247); COM = 0V; f
Serial 12-Bit ADCs in QSOP-16
Internal clock, SHDN = FLOAT
Internal clock, SHDN = V
External clock = 2MHz, 12 clocks/
conversion
SHDN = FLOAT
SHDN = V
Data transfer only
Unipolar, COM = 0V
Bi p ol ar , C OM = V RE F / 2
On/off leakage current, V
T
MAX1246_C
MAX1246_E
MAX1246_M
0mA to 0.2mA output load
Internal compensation mode
External compensation mode
V
VREF = 2.5V
A
BST
+2.7V, Low-Power, 4-Channel,
= +25°C
= V
LX
DD
= V
CONDITIONS
IN
= 28V, V
DD
CH
FB
_ = 0V or V
= 1.5V
SCLK
DD
= 2.0MHz; external clock (50% duty cycle);
VDD -
2.480
0.047
MIN
5.5
0.1
4.7
1.0
0.5
35
18
6
0
0
±0.01
±0.35
0.225
2.500
TYP
±1.5
0.01
<50
±30
±30
±30
100
1.8
30
16
25
±VREF / 2
0 to VREF
VDD +
50mV
MAX
2.520
±50
±60
±80
150
100
7.5
1.5
2.0
2.0
±1
65
30
ppm/°C
UNITS
MHz
MHz
mA
mV
kΩ
ps
µA
pF
µF
µF
µA
µs
µs
ns
%
V
V
V
V
V
3