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參數(shù)資料
| 型號： | AD5220BRZ50 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 7/11頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC POT DGTL SGL 128POS 8SOIC |
| 標準包裝： | 98 |
| 接片： | 128 |
| 電阻（歐姆）： | 50k |
| 電路數(shù)： | 1 |
| 溫度系數(shù)： | 標準值 800 ppm/°C |
| 存儲器類型： | 易失 |
| 接口： | 4 線串行（芯片選擇，遞增，增/減） |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOIC |
| 包裝： | 管件 |
AD5220
–5–
REV.
CODE – Decimal
POTENTIOMETER
MODE
TEMPCO
–
ppm/
C
60
–10
0
16
128
32
48
64
80
96
112
53
32
25
11
–3
46
39
18
4
–55 C < TA < +85 C
VDD = +5.5V
50k
AND 100k
VERSION
10k
VERSION
Figure 13.
V
WB/T Potentiometer
Mode Tempco (10 k
and 50 k)
FREQUENCY – Hz
GAIN
–
dB
6
1k
1M
10k
100k
0
–6
–12
–18
–24
–30
–36
–42
–48
–54
00H
+
–
2.5V
W
A
B
OP42
+
–
DATA = 40H
VDD = +5V
VIN = VA = 100mV rms
VB = +2.5V
40H
20H
10H
08H
04H
02H
01H
Figure 16. 50 k
Gain vs. Frequency
vs. Code
VWB
VDD = +5.5V
VA = +5.5V
VB = 0V
f = 100kHz
DATA
40H v 3FH
150mV
100mV
50mV
0mV
5V
0V
CLK
TIME 500ns / DIV
Figure 19. Midscale Transition Glitch
CODE – Decimal
RHEOSTAT
MODE
TEMPCO
–
ppm/
C
60
–10
0
16
128
32
48
64
80
96
112
53
32
25
11
–3
46
39
18
4
–55 C < TA < +85 C
VDD = +5.5V
RWB MEASURED
VA = NO CONNECT
50k
AND 100k
VERSION
10k
VERSION
Figure 14.
R
WB/T Rheostat
FREQUENCY – Hz
GAIN
–
dB
6
1k
1M
10k
100k
0
–6
–12
–18
–24
–30
–36
–42
–48
–54
+
–
2.5V
W
A
B
OP42
+
–
DATA = 40H
VDD = +5V
VIN = VA = 100mV rms
VB = +2.5V
00H
20H
10H
08H
04H
02H
01H
40H
Figure 17. 100 k
Gain vs. Fre-
quency vs. Code
FREQUENCY – Hz
THD
+
NOISE
–
%
0.0001
10
TA = +25 C
VDD = +5.0V
OFFSET GND = +2.5V
RAB = 10k
NONINVERTING
TEST CKT 32
INVERTING
TEST CKT 31
0.001
0.01
0.10
1.00
100
1k
10k
100k
Figure 20. Total Harmonic Distortion
Plus Noise vs. Frequency
FREQUENCY – Hz
GAIN
–
dB
6
1k
1M
10k
100k
0
–6
–12
–18
–24
–30
–36
–42
–48
–54
DATA = 40H
VDD = +5V
VIN = VA = 100mV rms
VB = +2.5V
+
–
2.5V
W
A
B
OP42
+
–
40H
20H
10H
08H
04H
02H
01H
00H
Figure 15. 10 k
Gain vs. Frequency
vs. Code
VWB
VDD = +5.5V
VA = VB = 0V
f = 100kHz
20mV/
DIV
TIME 2 s / DIV
Figure 18. Digital Feedthrough
FREQUENCY – Hz
NORMALIZED
GAIN
FLATNESS
–
dB
–5.8
–6.8
10
100
1M
–6.3
1k
10k
100k
–5.9
–6.0
–6.1
–6.2
–6.4
–6.5
–6.6
–6.7
50k
10k
DATA = 40H
VDD = +5V
VIN = VA = 50mV rms
VB = +2.5V
100k
+
–
2.5V
W
A
B
OP42
+
–
Figure 21. Normalized Gain Flatness
vs. Frequency
A
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