参数资料
型号: AD5254EVAL
厂商: Analog Devices, Inc.
元件分类: 通用总线功能
英文描述: Dual, 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers
中文描述: 双路、256抽头、非易失、I2C接口、数字电位器
文件页数: 10/28页
文件大小: 834K
代理商: AD5254EVAL
AD5253/AD5254
TYPICAL PERFORMANCE CHARACTERISTICS
Rev. 0 | Page 10 of 28
R
CODE (Decimal)
0
T
A
= –40°C, +25°C, +85°C, +125°C
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
0
32
64
96
128
160
192
224
256
Figure 3. R-INL vs. Code
R
CODE (Decimal)
0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
0
32
64
96
128
160
192
224
256
T
A
= –40°C, +25°C, +85°C, +125°C
Figure 4. R-DNL vs. Code
I
CODE (Decimal)
0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
0
32
64
96
128
160
192
224
256
T
A
= –40°C, +25°C, +85°C, +125°C
Figure 5. INL vs. Code
I
CODE (Decimal)
0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
0
32
64
96
128
160
192
224
256
T
A
= –40°C, +25°C, +85°C, +125°C
Figure 6. DNL vs. Code
S
μ
A
TEMPERATURE (
°
C)
0
–10
–8
–6
–4
–2
0
2
4
6
8
10
–40
–20
0
20
40
60
80
100
120
I
DD
@ V
DD
= +5.5V
I
DD
@ V
DD
= +2.7V
I
SS
@ V
DD
= +2.7V, V
SS
= –2.7V
Figure 7. Supply Current vs. Temperature
DIGITAL INPUT VOLTAGE (V)
0
0.0001
0.01
0.001
0.1
1
10
0
1
2
3
4
5
6
V
DD
= 5.5V
V
DD
= 2.7V
I
D
Figure 8. Supply Current vs. Digital Input Voltage. T
A
= 25°C
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