VBIAS (V) 03824-0-021 " />
參數(shù)資料
型號: AD5254BRUZ50-RL7
廠商: Analog Devices Inc
文件頁數(shù): 3/32頁
文件大?。?/td> 0K
描述: IC POT DGTL QUAD 50K 20TSSOP
標準包裝: 1,000
接片: 256
電阻(歐姆): 50k
電路數(shù): 4
溫度系數(shù): 標準值 650 ppm/°C
存儲器類型: 非易失
接口: I²C(設(shè)備位址)
電源電壓: 2.7 V ~ 5.5 V,±2.25 V ~ 2.75 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 20-TSSOP
包裝: 帶卷 (TR)
Data Sheet
AD5253/AD5254
Rev. C | Page 11 of 32
R
WB
(
)
VBIAS (V)
03824-0-021
20
0
40
60
80
100
120
140
160
200
240
180
220
1
0
2
34
56
VDD = 2.7V
TA = 25C
VDD = 5.5V
TA = 25C
DATA = 0x00
Figure 9. Wiper Resistance vs. VBIAS
TEMPERATURE (
C)
03824-0-022
–6
–4
–2
0
2
4
6
–40
–20
0
20
40
60
80
100
120
R
WB
(%)
Figure 10. Change of RWB vs. Temperature
CODE (Decimal)
0
382
4-
0
-023
0
32
64
96
128
160
10k
100k
50k
192
224
256
RH
E
O
S
T
AT
M
O
DE
T
E
M
P
CO
(
p
m
C)
VDD = 5V
TA = –40°C TO +85°C
VA = VDD
VB = 0V
500
550
600
650
700
750
800
850
900
950
1000
Figure 11. Rheostat Mode Tempco (RWB/RWB)/T × 106 vs. Code
CODE (Decimal)
0
382
4-
0
-024
0
20
25
10
5
15
30
35
40
45
50
0
32
64
96
128
160
192
224
256
P
O
TE
N
T
IO
M
E
TE
R
M
O
D
E
TE
M
P
C
O
(
p
m
C
)
100k
50k
10k
VDD = 5V
TA = –40°C TO +85°C
VA = VDD
VB = 0V
Figure 12. Potentiometer Mode Tempco (VWB/VWB)/T × 106 vs. Code
–60
–48
–24
–12
0
–36
–54
–30
–18
–6
–42
GAIN
(
d
B)
1k
10k
10
100
100k
1M
10M
FREQUENCY (Hz)
03824-0-025
0xFF
0x80
0x40
0x20
0x10
0x08
0x04
0x02
0x01
0x00
Figure 13. Gain vs. Frequency vs. Code, RAB = 1 kΩ, TA = 25°C
–60
–48
–24
–12
0
–36
–54
–30
–18
–6
–42
GAIN
(
d
B)
1k
10k
10
100
100k
1M
10M
FREQUENCY (Hz)
03824-0-026
0xFF
0x80
0x40
0x20
0x10
0x08
0x04
0x02
0x01
0x00
Figure 14. Gain vs. Frequency vs. Code, RAB = 10 kΩ, TA = 25°C
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