MAX1238EEE Maxim Integrated Products, MAX1238EEE Datasheet - Page 3
MAX1238EEE
Manufacturer Part Number
MAX1238EEE
Description
ADC (A/D Converters)
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX1237EUA.pdf
(22 pages)
Specifications of MAX1238EEE
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
Package / Case
QSOP-16
Lead Free Status / Rohs Status
No
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MAX1238EEE
Manufacturer:
MAXIM/美信
Quantity:
20 000
Company:
Part Number:
MAX1238EEE+
Manufacturer:
Maxim
Quantity:
200
Part Number:
MAX1238EEE+
Manufacturer:
MAXIM/美信
Quantity:
20 000
Company:
Part Number:
MAX1238EEE+T
Manufacturer:
FUJITSU
Quantity:
4 689
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
=