AD5254BRUZ50 Analog Devices Inc, AD5254BRUZ50 Datasheet - Page 17
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AD5254BRUZ50
Manufacturer Part Number
AD5254BRUZ50
Description
IC POT DGTL QUAD 50K 20TSSOP
Manufacturer
Analog Devices Inc
Datasheet
1.AD5254BRUZ100.pdf
(32 pages)
Specifications of AD5254BRUZ50
Memory Type
Non-Volatile
Temperature Coefficient
650 ppm/°C Typical
Taps
256
Resistance (ohms)
50K
Number Of Circuits
4
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
20-TSSOP
Resistance In Ohms
50K
End To End Resistance
50kohm
Track Taper
Linear
Resistance Tolerance
± 30%
No. Of Steps
256
No. Of Pots
Quad
Potentiometer Ic Case
RoHS Compliant
Supply Voltage Range
± 2.25V To ± 2.75V
Control Interface
I2C, Serial
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AD5254EVAL - BOARD EVAL FOR AD5254
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD5254BRUZ50
Manufacturer:
ADI/亚德诺
Quantity:
20 000
S = start condition
P = stop condition
A = acknowledge (SDA low)
A = not acknowledge (SDA high)
AD1, AD0 = I
R/ W = read enable bit at logic high; write enable bit at logic low
CMD/ REG = command enable bit at logic high; register access bit at logic low
C3, C2, C1, C0 = command bits
A2, A1, A0 = RDAC/EEMEM register addresses
From Master to Slave
From Slave to Master
S
2
C device address bits, must match with the logic states at Pins AD1, AD0
SLAVE ADDRESS
S
0
1
SLAVE ADDRESS
Figure 29. RDAC Current Read (Restricted to Previously Selected Address Stored in the Register)
0
0 WRITE
1
0
1
S
A
A
D
1
0
RDAC SLAVE ADDRESS
A
D
0
INSTRUCTIONAL AND
1
1 READ
Figure 31. RDAC Quick Command Write (Dummy Write)
1
0
ADDRESS
A
1
Figure 30. RDAC or EEMEM Random Read
1
A
D
1
RDAC_N OR EEMEM_N
A
D
0
0 WRITE
Rev. B | Page 17 of 32
REGISTER DATA
REPEATED START
0
A
A
S
1 CMD
CMD/
REG
(N BYTES + ACKNOWLEDGE)
SLAVE ADDRESS
C
3
C
2
C
1
C
A
0
A
2
RDAC_N + 1 OR EEMEM_N + 1
1 READ
A
1
REGISTER DATA
1
A
0
A
A
P
(N BYTES + ACKNOWLEDGE)
EEMEM DATA
RDAC OR
A
AD5253/AD5254
P
A/A
P