AD5252BRUZ1 Analog Devices Inc, AD5252BRUZ1 Datasheet - Page 9

• Manufacturer Part Number: AD5252BRUZ1
• Description: IC DGTL POT DUAL 1K I2C 14-TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD5252BRUZ1

• Taps: 256
• Resistance (ohms): 1K
• Number Of Circuits: 2
• Temperature Coefficient: 650 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V, ±2.25 V ~ 2.75 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 14-TSSOP
• Resistance In Ohms: 1.00K
• End To End Resistance: 1kohm
• Track Taper: Linear
• Resistance Tolerance: ± 30%
• No. Of Steps: 256
• Supply Voltage Range: 2.7V To 5.5V, ± 2.25V To ± 2.75V
• Control Interface: I2C, Serial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AD5252EVAL - BOARD EVAL FOR AD5252
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Table 5. Pin Function Descriptions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
For quad-channel device software compatibility, the dual potentiometers in the parts are designated as RDAC1 and RDAC3.
Mnemonic
V
AD0
WP
W1
B1
A1
SDA
V
SCL
DGND
AD1
A3
B3
W3
DD
SS
I
Wiper Terminal of RDAC1. V
A Terminal of RDAC1. V
V
Digital Ground. Connect to system analog ground at a single point.
A Terminal of RDAC3. V
B Terminal of RDAC3. V
Wiper Terminal of RDAC3. V
Description
Positive Power Supply Pin. Connect +2.7 V to +5 V for single supply or ±2.7 V for dual supply, where
V
Write Protect, Active Low. V
B Terminal of RDAC1. V
Serial Data Input/Output Pin. Shifts in one bit at a time upon positive clock edges. MSB loaded first.
Open-drain MOSFET requires pull-up resistor.
Negative Supply. Connect to 0 V for single supply or –2.7 V for dual supply, where V
Serial Input Register Clock Pin. Shifts in one bit at a time upon positive clock edges. V
Pull-up resistor is recommended for SCL to ensure minimum power.
I
2
2
DD
C Device Address 0. AD0 and AD1 allow four AD5251/AD5252 devices to be addressed.
SS
C Device Address 1. AD0 and AD1 allow four AD5251/AD5252 devices to be addressed.
is used in dual supply, V
– V
SS
≤ 5.5 V. V
SDA
AD0
V
WP
W1
DD
B1
A1
DD
must be able to source 35 mA for 26 ms when storing data to EEMEM.
Figure 2. Pin Configuration
1
2
3
4
5
6
7
SS
SS
SS
SS
Rev. B | Page 9 of 28
≤ V
≤ V
(Not to Scale)
≤ V
≤ V
AD5251/
AD5252
TOP VIEW
SS
WP
SS
SS
B1
B3
A1
A3
must be able to sink 35 mA for 26 ms when storing data to EEMEM.
≤ V
≤ V
≤ V
≤ V
≤ V
≤ V
≤ V
W1
W3
DD
DD
DD
DD
DD
≤ V
.
.
≤ V
.
.
+ 0.3 V.
1
1
1
1
14
13
12
11
10
9
8
DD
DD
W3
B3
A3
AD1
DGND
SCL
V
.
.
1
1
SS
AD5251/AD5252
DD
SCL
– V
≤ (V
SS
≤ +5.5 V. If
DD
+ 0.3 V).