MAX1238EEE+ Maxim Integrated Products, MAX1238EEE+ Datasheet - Page 3

• Manufacturer Part Number: MAX1238EEE+
• Description: IC ADC 12-BIT 94KSPS 16-QSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1238EEE+

• Number Of Bits: 12
• Sampling Rate (per Second): 94.4k
• Data Interface: I²C, Serial
• Number Of Converters: 1
• Power Dissipation (max): 666.7mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP (0.150", 3.90mm Width)
• Number Of Adc Inputs: 12
• Architecture: SAR
• Conversion Rate: 94.4 KSPs
• Resolution: 12 bit
• Interface Type: I2C
• Voltage Reference: Internal 4.096 V
• Supply Voltage (max): 5 V
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
4.096V (MAX1236/MAX1238), f
Tables 1–5 for programming notation.)
Throughput Rate
Track/Hold Acquisition Time
Internal Clock Frequency
Aperture Delay (Note 5)
ANALOG INPUT (AIN0–AIN11)
Input-Voltage Range, Single-
Ended and Differential (Note 6)
Input Multiplexer Leakage Current
Input Capacitance
INTERNAL REFERENCE (Note 7)
Reference Voltage
Reference-Voltage Temperature
Coefficient
REF Short-Circuit Current
REF Source Impedance
EXTERNAL REFERENCE
REF Input-Voltage Range
REF Input Current
DIGITAL INPUTS/OUTPUTS (SCL, SDA)
Input-High Voltage
Input-Low Voltage
Input Hysteresis
Input Current
Input Capacitance
Output Low Voltage
DD
= 2.7V to 3.6V (MAX1237/MAX1239), V
PARAMETER
2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
4-/12-Channel, 2-Wire Serial, 12-Bit ADCs
_______________________________________________________________________________________
SCL
= 1.7MHz, T
SYMBOL
f
TCV
SAMPLE
V
V
V
I
V
C
HYST
C
t
V
REF
V
I
REF
REF
AD
IN
OL
IN
IH
IN
IL
REF
DD
Internal clock, SCAN[1:0] = 01
Internal clock, SCAN[1:0] = 00
CS[3:0] = 1011 (MAX1238/MAX1239)
External clock
External clock, fast mode
External clock, high-speed mode
Unipolar
Bipolar
ON/OFF leakage current, V
T
(Note 8)
f
V
I
A
= 4.5V to 5.5V (MAX1236/MAX1238), V
SAMPLE
SINK
A
IN
= T
= +25°C
= 0V to V
= 3mA
MIN
= 94.4ksps
to T
DD
MAX
CONDITIONS
, unless otherwise noted. Typical values are at T
MAX1237/MAX1239
MAX1236/MAX1238
AIN
_ = 0V or V
REF
DD
= 2.048V (MAX1237/MAX1239), V
0.7
0.1
1.968
3.936
MIN
800
0
0
1
✕
✕
V
V
DD
DD
±0.01
2.048
4.096
TYP
94.4
2.8
1.5
51
51
60
30
22
25
15
0.3
±V
2.128
4.256
MAX
V
A
V
✕
±10
0.4
REF
±1
40
REF
2
DD
V
= +25°C, see
DD
/2
ppm/°C
UNITS
ksps
MHz
mA
REF
µA
pF
kΩ
µA
µA
pF
ns
ns
V
V
V
V
V
V
V
3
=