ADS1115-Q1
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SBAS563 –DECEMBER 2011
GND
VDD
GND
VDD
10
ADS1115
10
ADS1115
SCL
SCL
1
2
3
4
ADDR
SDA
VDD
AIN3
AIN2
9
8
7
6
1
2
3
4
ADDR
SDA
VDD
AIN3
AIN2
9
8
7
6
ALERT/RDY
GND
ALERT/RDY
GND
I2C Pull-Up Resistors
1kW to 10kW (typ.)
VDD
I2C Pull-Up Resistors
1kW to 10kW (typ.)
VDD
AIN0
AIN0
Microcontroller or
Microprocessor
with I2C Port
AIN1
AIN1
5
Microcontroller or
Microprocessor
5
with I2C Port
SCL
SDA
SCL
SDA
10
ADS1115
10
ADS1115
SCL
SCL
1
2
3
4
ADDR
SDA
VDD
AIN3
AIN2
9
8
7
6
1
2
3
4
ADDR
SDA
VDD
AIN3
AIN2
9
8
7
6
ALERT/RDY
GND
ALERT/RDY
GND
AIN0
AIN1
AIN0
5
AIN1
5
TMP421
DXP
DXN
V+
1
2
8
7
10
Leave
ADS1115
SCL
SDA
GND
Floating
SCL
A1
A0
3
4
6
5
1
2
3
4
ADDR
SDA
VDD
AIN3
AIN2
9
8
7
6
ALERT/RDY
GND
DAC8574
AIN0
VOUT
VOUT
VREF
A
A3
A2
AIN1
1
2
16
15
5
B
H
A1
A0
3
4
5
14
13
12
VDD
VREF
10
ADS1115
L
IOVDD
SCL
6
7
8
GND
VOUT
VOUT
SDA 11
1
2
3
4
ADDR
SDA
VDD
AIN3
AIN2
9
8
7
6
C
D
SCL
10
9
ALERT/RDY
GND
LDAC
AIN0
AIN1
NOTE: ADS1115-Q1 power and input connections are omitted for
clarity. ADDR, A3, A2, A1, and A0 select the I2C addresses.
5
Figure 36. Connecting Multiple Device Types
NOTE: The ADS1115-Q1 power and input connections are omitted
for clarity. The ADDR pin selects the I2C address.
Figure 35. Connecting Multiple ADS1115-Q1s
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