AD5259BRMZ100 Analog Devices Inc, AD5259BRMZ100 Datasheet - Page 16

IC DGTL POT 100K 256POS 10-MSOP

AD5259BRMZ100

Manufacturer Part Number
AD5259BRMZ100
Description
IC DGTL POT 100K 256POS 10-MSOP
Manufacturer
Analog Devices Inc
Datasheet

Specifications of AD5259BRMZ100

Taps
256
Resistance (ohms)
100K
Number Of Circuits
1
Temperature Coefficient
500 ppm/°C Typical
Memory Type
Non-Volatile
Interface
I²C, 2-Wire Serial
Voltage - Supply
2.7 V ~ 3.3 V, 4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
10-MSOP, Micro10™, 10-uMAX, 10-uSOP
Resistance In Ohms
100K
End To End Resistance
100kohm
Track Taper
Linear
Resistance Tolerance
± 30%
No. Of Steps
256
Supply Voltage Range
2.7V To 5.5V
Control Interface
I2C, Serial
No. Of Pots
Single
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AD5259EVAL - BOARD EVAL FOR AD5259 DGTL POT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD5259BRMZ100
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Part Number:
AD5259BRMZ100-R7
Quantity:
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Part Number:
AD5259BRMZ100-R7
Manufacturer:
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AD5259
I
The following generic, write, read, and store/restore control
registers for the AD5259 all refer to the device addresses listed
in Table 5; the mode/condition reference key (S, P, SA, MA,
NA, W , R, and X) is listed below.
S = Start Condition
P = Stop Condition
SA = Slave Acknowledge
MA = Master Acknowledge
NA = No Acknowledge
W = Write
R = Read
X = Don’t Care
GENERIC INTERFACE
Table 6. Generic Interface Format
S
Table 7. RDAC-to-EEPROM Interface Command Descriptions
C2
0
0
0
1
1
1
1
WRITE MODES
Table 8. Writing to RDAC Register
S
Table 9. Writing to EEPROM Register
S
Table 10. Activating/Deactivating Software Write Protect
S
In order to activate the write protection mode, the WP bit in Table 10 must be logic high. To deactivate the write protection, the
command must be sent again, except with the WP in logic zero state. WP is reset to the deactivated mode if power is cycled off and on.
This command leaves the device in the EEMEM read power state, which consumes power. Issue the NOP command to return the device to its idle state.
2
C-COMPATIBLE FORMAT
7-Bit Device Address
(See Table 5)
Slave Address Byte
7-Bit Device Address
(See Table 5)
Slave Address Byte
7-Bit Device Address
(See Table 5)
Slave Address Byte
7-Bit Device Address
(See Table 5)
Slave Address Byte
C1
0
0
1
0
0
1
C0
0
1
0
0
1
0
Command Description
Operation Between Interface and RDAC.
Operation Between Interface and EEPROM.
Operation Between Interface and Write Protection Register. See Table 10.
NOP.
Restore EEPROM to RDAC.
Store RDAC to EEPROM.
R/W
0
0
0
SA C2 C1 C0 A4 A3 A2 A1 A0 SA D7 D6 D5 D4 D3 D2 D1 D0 SA P
SA 0
SA 0
SA 0
Instruction Byte
Instruction Byte
Instruction Byte
Instruction Byte
1
0
0
1
0
0
1
Rev. B | Page 16 of 24
0
0
0
0
0
0
0
0
0
AD1 and AD0 are two-state address pins.
Table 5. Device Address Lookup
AD1 Address Pin
0
1
0
1
0
0
0
0
0
0
SA D7 D6 D5 D4 D3 D2 D1 D0 SA P
SA D7 D6 D5 D4 D3 D2 D1 D0 SA P
SA 0
Data Byte
Data Byte
Data Byte
Data Byte
AD0 Address Pin
0
0
1
1
0
0
0
0
0
0011000
0011010
1001100
1001110
I
2
C Device Address
0
WP SA P

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