参数资料
型号: MAX5394MATA+T
厂商: Maxim Integrated Products
文件页数: 12/15页
文件大小: 0K
描述: IC DGTL POT 256POS 50KOHM 8TDFN
标准包装: 2,500
接片: 256
电阻(欧姆): 50k
电路数: 1
温度系数: 标准值 50 ppm/°C
存储器类型: 易失
接口: 3 线 SPI(芯片选择)
电源电压: 1.7 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: *
封装/外壳: *
供应商设备封装: *
包装: *
MAX5394
Single, 256-Tap Volatile, SPI, Low-Voltage Linear
Taper Digital Potentiometer
6
Maxim Integrated
Typical Operating Characteristics
(VDD = 1.8V, TA = +25NC, unless otherwise noted.)
SUPPLY CURRENT vs. TEMPERATURE
MAX5394
toc01
TEMPERATURE (°C)
SUPPLY
CURRENT
(A)
110
95
80
65
50
35
20
5
-10
-25
40
0
-40
125
5
10
15
20
25
30
35
VDD = 1.8V
SUPPLY CURRENT
vs. DIGITAL INPUT VOLTAGE
MAX5394
toc02
DIGITAL INPUT VOLTAGE (V)
SUPPLY
CURRENT
(A)
4
3
2
1
200
400
600
800
1000
1200
1400
1600
1800
2000
2200
2400
2600
0
05
VDD = 5V
(LOW-HIGH)
VDD = 3.3V
(LOW-HIGH)
VDD = 1.8V
(LOW-HIGH)
VDD = 1.8V
(HIGH-LOW)
VDD = 3.3V
(HIGH-LOW)
VDD = 5V
(HIGH-LOW)
SUPPLY CURRENT vs. INPUT VOLTAGE
MAX5394
toc03
INPUT VOLTAGE (V)
4.55
3.60
2.65
1.70
5.50
SUPPLY
CURRENT
(A)
40
0
5
10
15
20
25
30
35
TA = -40°C
TA = +25°C
TA = +125°C
RESISTANCE (W-TO-L)
vs. TAP POSITION (10kI)
MAX5394
toc04
TAP POSITION
W-TO-L
RESISTANCE
(k
I
)
1
2
3
4
5
6
7
8
9
10
0
256
224
192
128 160
64
96
32
RESISTANCE (W-TO-L)
vs. TAP POSITION (50kI)
MAX5394
toc05
TAP POSITION
W-TO-L
RESISTANCE
(k
I
)
5
10
15
20
25
30
35
40
45
50
0
256
224
192
128 160
64
96
32
RESISTANCE (W-TO-L)
vs. TAP POSITION (100kI)
MAX5394
toc06
TAP POSITION
W-TO-L
RESISTANCE
(k
I
)
10
20
30
40
50
60
70
80
90
100
0
256
224
192
128 160
64
96
32
WIPER RESISTANCE
vs. WIPER VOLTAGE
WIPER VOLTAGE (V)
WIPER
RESISTANCE
(I
)
0.5
0
5
0
1.0
MAX5394
toc07a
VDD = 2.6V, QP OFF
VDD = 5V, QP OFF
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
5
10
15
20
25
30
35
WIPER RESISTANCE
vs. WIPER VOLTAGE
WIPER VOLTAGE (V)
WIPER
RESISTANCE
(I
)
0.5
0
1.0
MAX5394
toc07b
VDD = 1.8V, QP ON
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
40
END-TO-END RESISTANCE PERCENTAGE
CHANGE vs. TEMPERATURE
MAX5394
toc08
TEMPERATURE (°C)
END-TO-END
RESISTANCE
PERCENTAGE
CHANGE
(%)
110
95
80
65
50
35
20
5
-10
-25
-0.2
-40
125
0
0.2
0.4
0.6
0.8
50kI
10kI
100kI
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