參數(shù)資料
型號(hào): EVAL-AD5228EBZ
廠商: Analog Devices Inc
文件頁數(shù): 20/20頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD5228 DGTL POT
標(biāo)準(zhǔn)包裝: 1
主要目的: 數(shù)字電位器
已用 IC / 零件: AD5228
已供物品:
相關(guān)產(chǎn)品: AD5228BUJZ10RL7DKR-ND - IC DGTL POT UP/DN 10K TSOT23-8
AD5228BUJZ100-RL7DKR-ND - IC DGTL POT 32POS 100K TSOT23-8
AD5228BUJZ10-R2-ND - IC DGTL POT 10K UP/DN TSOT23-8
AD5228BUJZ100-R2-ND - IC DGTL POT 100K UP/DN TSOT23-8
AD5228BUJZ50-R2TR-ND - IC DGTL POT 50K UP/DN TSOT23-8
AD5228BUJZ50-RL7-ND - IC DGTL POT 50K UP/DN TSOT23-8
AD5228BUJZ100-RL7CT-ND - IC DGTL POT 32POS 100K TSOT23-8
AD5228BUJZ10RL7CT-ND - IC DGTL POT UP/DN 10K TSOT23-8
AD5228BUJZ100-RL7TR-ND - IC DGTL POT 32POS 100K TSOT23-8
AD5228BUJZ10RL7TR-ND - IC DGTL POT UP/DN 10K TSOT23-8
AD5228
Rev. A | Page 9 of 20
120
0
20
40
60
80
100
–40
–20
0
20
40
60
100
80
04422-0-020
TEMPERATURE (
°C)
WIP
E
R
RE
S
IS
TANCE
,R
W
(
Ω
)
VDD = 2.7V
VDD = 5.5V
Figure 19. Wiper Resistance vs. Temperature
150
–30
0
30
60
90
120
0
4
8
121620
2428
32
04422-0-021
CODE (Decimal)
RHEOSTAT
MODE
TEMPCO,
Δ
R
WB
/Δ
T
(ppm/
°C)
10k
Ω
50k
Ω
100k
Ω
VDD = 5.5V
A = OPEN
Figure 20. Rheostat Mode Tempco ΔRWB/ΔT vs. Code
20
–20
–15
–10
–5
0
5
10
15
0
4
8
12
16
20
24
28
32
04422-0-022
CODE (Decimal)
P
O
TE
NTIOME
TE
R
MODE
TE
MP
CO,
Δ
V
WB
/Δ
T
(ppm/
°C)
10k
Ω
50k
Ω
100k
Ω
VDD = VA = 5.5V
VB = 0V
Figure 21. Potentiometer Mode Tempco ΔVWB/ΔT vs. Code
6
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
1k
10k
1M
START 1 000.000Hz
STOP 1 000 000.000Hz
REF LEVEL
0dB
/DIV
6.0dB
MARKER
MAG (A/R)
469 390.941Hz
–8.966dB
100k
04422-0-050
GAIN
(
d
B)
TA = 25°C
VDD = 5.5V
VA = 50mV rms
16 STEPS
8 STEPS
4 STEPS
2 STEPS
1 STEP
Figure 22. Gain vs. Frequency vs. Code, RAB = 10 kΩ
6
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
1k
10k
1M
START 1 000.000Hz
STOP 1 000 000.000Hz
REF LEVEL
0dB
/DIV
6.0dB
MARKER
MAG (A/R)
97 525.233Hz
–9.089dB
100k
04422-0-051
GAIN
(
d
B)
TA = 25°C
VDD = 5.5V
VA = 50mV rms
16 STEPS
8 STEPS
4 STEPS
2 STEPS
1 STEP
Figure 23. Gain vs. Frequency vs. Code, RAB = 50 kΩ
6
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
1k
10k
1M
START 1 000.000Hz
STOP 1 000 000.000Hz
REF LEVEL
0dB
/DIV
6.0dB
MARKER
MAG (A/R)
51 404.427Hz
–9.123dB
100k
04422-0-052
GAIN
(
d
B)
TA = 25°C
VDD = 5.5V
VA = 50mV rms
16 STEPS
8 STEPS
4 STEPS
2 STEPS
1 STEP
Figure 24. Gain vs. Frequency vs. Code, RAB = 100 kΩ
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