MAX1138LEEE-T Maxim Integrated, MAX1138LEEE-T Datasheet - Page 8

• Manufacturer Part Number: MAX1138LEEE-T
• Description: Analog to Digital Converters - ADC
• Manufacturer: Maxim Integrated

Specifications of MAX1138LEEE-T

• Number Of Channels: 12/6
• Architecture: SAR
• Conversion Rate: 94.4 KSPs
• Resolution: 10 bit
• Input Type: Single-Ended/Differential
• Snr: Yes
• Interface Type: I2C
• Operating Supply Voltage: 4.5 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Package / Case: QSOP-16
• Maximum Power Dissipation: 666.7 mW
• Minimum Operating Temperature: - 40 C
• Number Of Converters: 1
• Voltage Reference: Internal 4.096 V

2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
4-/12-Channel, 2-Wire Serial 10-Bit ADCs
Figure 1. 2-Wire Serial Interface Timing
8
MAX1136
MAX1137
_______________________________________________________________________________________
1, 2, 3
—
—
—
4
5
6
7
8
A. F/S-MODE 2-WIRE SERIAL INTERFACE TIMING
B. HS-MODE 2-WIRE SERIAL INTERFACE TIMING
SDA
SDA
SCL
SCL
S
S
t
t
HD.STA
HD.STA
PIN
MAX1138
MAX1139
16, 15, 14
1, 2, 3
t
t
LOW
LOW
4–8
13
10
11
12
—
9
t
t
RCL
R
t
SU.DAT
t
SU.DAT
t
t
HIGH
HIGH
t
AIN8–AIN10
t
FCL
AIN0–AIN2
AIN3–AIN7
AIN11/REF
F
AIN3/REF
NAME
GND
SDA
SCL
V
DD
t
t
HD.DAT
HD.DAT
Analog Inputs
Analog Input 3/Reference Input or Output. Selected in the Setup Register.
(See Tables 1 and 6.)
Analog Input 11/Reference Input or Output. Selected in the Setup Register.
(See Tables 1 and 6.)
Clock Input
Data Input/Output
Ground
Positive Supply. Bypass to GND with a 0.1µF capacitor.
HS-MODE
t
t
SU.STA
SU.STA
Sr
Sr
t
HD.STA
t
HD.STA
A
A
FUNCTION
t
RCL1
t
t
SU.STO
SU.STO
t
RDA
Pin Description
t
R
P
P
t
t
BUF
BUF
F/S-MODE
t
F
S
S
t
t
FDA