MAX1238EEE+ Maxim Integrated Products, MAX1238EEE+ Datasheet - Page 6

• 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

TIMING CHARACTERISTICS (Figure 1) (continued)
(V
4.096V (MAX1236/MAX1238), f
T
2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
4-/12-Channel, 2-Wire Serial, 12-Bit ADCs
(V
ended, unipolar, T
6
Note 10: A master device must provide a data hold time for SDA (referred to V
Note 11: The minimum value is specified at +25°C.
Note 13: f
Note 12: C
A
DD
DD
= +25°C, see Tables 1–5 for programming notation.)
-0.2
-0.3
-0.4
-0.5
800
750
700
650
600
550
500
450
400
350
300
0.5
0.4
0.3
0.2
0.1
0.1
_______________________________________________________________________________________
0
= 2.7V to 3.6V (MAX1237/MAX1239), V
= 3.3V (MAX1237/MAX1239), V
-40
0
SUPPLY CURRENT vs. TEMPERATURE
EXTERNAL REFERENCE MAX1238/MAX1236
INTERNAL REFERENCE MAX1238/MAX1236
INTERNAL REFERENCE MAX1239/MAX1237
EXTERNAL REFERENCE MAX1239/MAX1237
and for the MAX1236/MAX1238 where N is the number of bits.
SCL’s falling edge (see Figure 1).
500
SCL
⎡
⎢
⎢
⎣
-25
[
B
DIFFERENTIAL NONLINEARITY
V
= total capacitance of one bus line in pF.
FS
1000 1500
must meet the minimum clock low time plus the rise/fall times.
-10
DIGITAL OUTPUT CODE
( .
vs. DIGITAL CODE
5 5
TEMPERATURE (°C)
A
5
= +25°C, unless otherwise noted.)
V
2000 2500 3000 3500
( .
)
5 5
20
−
V
FS
V
35
SETUP BYTE
EXT REF: 10111011
INT REF: 11011011
−
( .
4 5
4 5
50
.
V
V
65
)
)
]
SCL
DD
×
4000
80
2
V
= 5V (MAX1236/MAX1238), f
= 1.7MHz, T
N
REF
−
DD
1
⎤
⎥
⎥
⎦
= 4.5V to 5.5V (MAX1236/MAX1238), V
-0.2
-0.4
-0.6
-0.8
-1.0
0.6
0.5
0.4
0.3
0.2
0.1
1.0
0.8
0.6
0.4
0.2
0
0
2.7
0
SDA = SCL = V
A
500
SHUTDOWN SUPPLY CURRENT
3.2
= T
INTEGRAL NONLINEARITY
1000 1500
vs. SUPPLY VOLTAGE
DIGITAL OUTPUT CODE
SUPPLY VOLTAGE (V)
vs. DIGITAL CODE
MIN
3.7
DD
to T
2000 2500 3000 3500
4.2
SCL
Typical Operating Characteristics
MAX
= 1.7MHz, (50% duty cycle), f
4.7
, unless otherwise noted. Typical values are at
IL
of SCL) in order to bridge the undefined region of
5.2
4000
REF
= 2.048V (MAX1237/MAX1239), V
-100
-120
-140
-160
-180
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
-60
-80
0
-40
0
MAX1238
f
f
MAX1239
SAMPLE
IN
-25
= 10kHz
SHUTDOWN SUPPLY CURRENT
10k
-10
SAMPLE
= 94.4ksps
vs. TEMPERATURE
TEMPERATURE (°C)
FREQUENCY (Hz)
5
20k
FFT PLOT
20
= 94.4ksps, single-
30k
35
50
40k
65
REF
80
50k
=