AD5254BRUZ50 Analog Devices Inc, AD5254BRUZ50 Datasheet - Page 12
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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
AD5253/AD5254
–100
100
–20
–40
–60
–80
80
60
40
20
–12
–18
–24
–30
–36
–42
–48
–54
–60
0
–6
–12
–18
–24
–30
–36
–42
–48
–54
–60
Figure 16. Gain vs. Frequency vs. Code, R
Figure 15. Gain vs. Frequency vs. Code, R
–6
0
0
0
10
10
32
100
100
Figure 17. ΔR
64
100k Ω
1k Ω
1k
1k
96
CODE (Decimal)
0x80
0x10
0x40
0x20
0x08
FREQUENCY (Hz)
0x04
0x02
0x01
0x80
0x40
0x10
0x04
0x02
0x01
FREQUENCY (Hz)
0x20
0x08
AB
128
vs. Code, T
10k
10k
10k Ω
160
100k
A
100k
AB
AB
50k Ω
= 25°C
= 100 kΩ, T
= 50 kΩ, T
192
V
0xFF
DD
1M
0xFF
224
1M
= 5.5V
0x00
A
0x00
A
= 25°C
= 25°C
256
10M
10M
Rev. B | Page 12 of 32
1.2
1.0
0.8
0.6
0.4
0.2
0
DIGITAL FEEDTHROUGH
Figure 19. Clock Feedthrough and Midscale Transition Glitch
1
Figure 18. Supply Current vs. Digital Input Clock Frequency
Figure 20. t
10
MIDSCALE
PRESET
MIDSCALE
PRESET
100
EEMEM_RESTORE
CLOCK FREQUENCY (Hz)
400ns/DIV
1k
RESTORE RDAC0
SETTING TO 0xFF
MIDSCALE TRANSITION
V
GND = VB0 = VB3
SETTING TO 0xFF
RESTORE RDAC3
DD
of RDAC0 and RDAC3
10k
= VA0 = VA3 = 3.3V
7FH ≥ 80H
V
T
DD
A
100k
V
= 25°C
= 5.5V
DD
= 2.7V
1M
CLK
V
V
(NO DE-
COUPLING
CAPS)
V
(0xFF
STORED
IN EEMEM)
V
(0xFF
STORED
IN EEMEM)
V
W
DD
DD
WB0
WB3
10M
= 5V