V
參數(shù)資料
型號(hào): AD5227BUJZ50-RL7
廠商: Analog Devices Inc
文件頁數(shù): 15/16頁
文件大?。?/td> 0K
描述: IC DGTL POT 50K UP/DN TSOT23-8
標(biāo)準(zhǔn)包裝: 1
接片: 64
電阻(歐姆): 50k
電路數(shù): 1
溫度系數(shù): 標(biāo)準(zhǔn)值 35 ppm/°C
存儲(chǔ)器類型: 易失
接口: 3 線串行(芯片選擇,增/減)
電源電壓: 2.7 V ~ 5.5 V
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: SOT-23-8 薄型,TSOT-23-8
供應(yīng)商設(shè)備封裝: TSOT-23-8
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: AD5227BUJZ50-RL7DKR
AD5227
Rev. B | Page 8 of
16
1
0.1
–40
–20
0
20
40
60
100
80
04419-0-015
TEMPERATURE (
°C)
S
U
P
LY
CURRE
NT
(
μA)
VDD = 5.5V
Figure 12. Supply Current vs. Temperature
1
0.1
–40
–20
0
20
40
60
100
80
04419-0-016
TEMPERATURE (
°C)
NOMINAL
RE
S
IS
TANCE
,R
AB
(k
Ω
)
VDD = 5.5V
RAB = 50kΩ
RAB = 100kΩ
RAB = 10kΩ
Figure 13. Nominal Resistance vs. Temperature
120
0
20
40
60
80
100
–40
–20
0
20
40
60
100
80
04419-0-017
TEMPERATURE (
°C)
WIP
E
R
RE
S
IS
TANCE
,R
W
(
Ω
)
VDD = 5.5V
VDD = 2.7V
Figure 14. Wiper Resistance vs. Temperature
20
–20
–15
–10
–5
0
5
10
15
0
8
16
24
32
40
48
56
64
04419-0-018
CODE (Decimal)
RHEOSTAT
MODE
TEMPCO
(ppm/
°C)
10k
Ω
50k
Ω
100k
Ω
VDD = 5.5V
Figure 15. Rheostat Mode Tempco ΔRWB/ΔT vs. Code
20
–20
–15
–10
–5
0
5
10
15
0
8
16
24
32
40
48
56
64
04419-0-019
CODE (Decimal)
P
O
TE
NTIOME
TE
R
MODE
TEMPCO
(ppm/
°C)
10k
Ω
50k
Ω
100k
Ω
VDD = 5.5V
Figure 16. Potentiometer Mode Tempco ΔRWB/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)
461 441.868Hz
–8.957dB
100k
04419-0-042
dB
TA = 25°C
VDD = 5.5V
VA = 50mV rms
32 STEPS
16 STEPS
8 STEPS
4 STEPS
2 STEPS
1 STEP
Figure 17. Gain vs. Frequency vs. Code, RAB = 10 kΩ
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