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參數(shù)資料
| 型號(hào)： | AD8402 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | 2-Channel, 256-Position Digital Potentiometer |
| 中文描述： | 2通道，256位數(shù)字電位器 |
| 文件頁數(shù)： | 9/20頁 |
| 文件大小： | 496K |
| 代理商： | AD8402 |
AD8400/AD8402/AD8403
REV. B
–9–
TIME = 5
μ
s/DIV
Figure 15. Large Signal Settling
Time
TIME 200ns/DIV
Figure 18. Digital Feedthrough
vs. Time
FREQUENCY – Hz
6
0
–54
G
10
1M
100
1k
10k
100k
–6
–12
–48
–18
–24
–30
–36
–42
CODE = FF
80
40
20
10
08
04
02
01
T
A
= +25
°
C
SEE TEST FIGURE 33
Figure 13. Gain vs. Frequency for
R = 10 k
FREQUENCY – Hz
G
0
–6
–48
1k
10k
1M
–30
–36
–42
–12
–24
–18
–54
100k
6
CODE = FF
H
80
H
40
H
20
H
10
H
08
H
04
H
02
H
01
H
Figure 16. 50 k
Gain vs. Fre-
quency vs. Code
FREQUENCY – Hz
G
0
–6
–48
1k
10k
1M
–30
–36
–42
–12
–24
–18
–54
100k
CODE = FF
H
6
80
H
40
H
20
H
10
H
08
H
04
H
02
H
01
H
Figure 19. 100 k
Gain vs. Fre-
quency vs. Code
OUTPUT
INPUT
V
OUT
(50mV/DIV)
R
W
(20mV/DIV)
CS
(5V/DIV)
CODE – DECIMAL
700
600
–100
0
32
160
64
96
128
300
200
100
0
500
400
192 224
256
R
°
V
DD
= +5V
T
A
= –40
°
C/+85
°
C
V
A
= NO CONNECT
R
WB
MEASURED
Figure 11.
D
R
WB
/
D
T Rheostat Mode
Tempco
HOURS OF OPERATION AT 150
°
C
0.75
0.5
–0.75
0
600
100
300
400
0.25
–0.25
–0.5
200
500
CODE = 80
H
V
DD
= +5V
SS = 158 UNITS
0
R
W
R
AVG + 2 SIGMA
AVG
AVG – 2 SIGMA
Figure 14. Long-Term Drift
Accelerated by Burn-In
FREQUENCY – Hz
T
10
0.001
10
100k
100
1k
10k
1
0.1
FILTER = 22kHz
V
DD
= +5V
T
A
= +25
°
C
0.01
SEE TEST CIRCUIT FIGURE 32
SEE TEST CIRCUIT FIGURE 31
Figure 17. Total Harmonic Distortion
Plus Noise vs. Frequency
Figure 12. One Position Step Change
at Half-Scale (Code 7F
H
to 80
H
)
TIME 500ns/DIV
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD8402AN1 | 32-Tap. Nonvolatile. Linear-Taper Digital Potentiometers in SOT23 |
| AD8402AN10 | 32-Tap. Nonvolatile. Linear-Taper Digital Potentiometers in SOT23 |
| AD8402AN100 | 32-Tap. Nonvolatile. Linear-Taper Digital Potentiometers in SOT23 |
| AD8402AN50 | 32-Tap. Nonvolatile. Linear-Taper Digital Potentiometers in SOT23 |
| AD8402AR1 | 32-Tap. Nonvolatile. Linear-Taper Digital Potentiometers in SOT23 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD8402AN1 | 制造商:Rochester Electronics LLC 功能描述:DUAL 8-BIT POTENTIOMETER 1K OHM - Bulk |
| AD8402AN10 | 功能描述:IC DGTL POT 8BIT 10K 2CH 14-DIP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:DPP 接片:32 電阻（歐姆）:10k 電路數(shù):1 溫度系數(shù):標(biāo)準(zhǔn)值 300 ppm/°C 存儲(chǔ)器類型:非易失 接口:3 線串行（芯片選擇，遞增，增/減） 電源電壓:2.5 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-TDFN（2x3） 包裝:帶卷 (TR) |
| AD8402AN100 | 制造商:Rochester Electronics LLC 功能描述:DUAL 8-BIT POTENTIOMETER - Bulk 制造商:Analog Devices 功能描述:SEMICONDUCTORSLINEAR |
| AD8402AN50 | 制造商:Rochester Electronics LLC 功能描述:DUAL 8-BIT POTENTIOMETER - Bulk |
| AD8402-AN50 | 制造商:Analog Devices 功能描述: |
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