参数资料
型号: MAX1368ECM+T
厂商: Maxim Integrated
文件页数: 9/36页
文件大小: 0K
描述: IC PANEL METER 3.5 DIG 48LQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,000
显示器类型: LED
配置: 7 段显示
接口: 串行
数字或字符: A/D,3.5 位数字
电源电压: 2.7 V ~ 5.25 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-LQFP
供应商设备封装: 48-LQFP(7x7)
包装: 带卷 (TR)
Microcontroller-Interface, 4.5-/3.5-Digit Panel
Meters with 4–20mA Output
Typical Operating Characteristics (continued)
(A VDD = D VDD = +5V, V DAC_VDD = +5.0V, GND = 0, LEDG = 0, V LEDV = +2.7V to +5.25V, V REF+ - V REF- = 2.048V (external reference),
V EXT = 7V, C REF+ = 0.1μF, REF- = GND, C NEGV = 0.1μF, RANGE bit = 1, internal clock mode. T A = +25°C, unless otherwise noted.)
0
-0.05
DAC GAIN ERROR
vs. TEMPERATURE
500mV/div
STEP RESPONSE
MAX1366/68 toc20
CONV_IN
= 1V
50
40
30
4-20OUT ZERO-SCALE ERROR
vs. TEMPERATURE
EXTERNAL REFERENCE = 2.048V
-0.10
-0.15
20
10
0
-0.20
-0.25
10mA/div
4-20OUT
= 21.7mA
-10
-20
-30
-40
-0.30
-40
-15
10 35
TEMPERATURE ( ° C)
60
85
100 μ s/div
-50
-40
-20
0 20 40
TEMPERATURE ( ° C)
60
80
4-20OUT GAIN ERROR
vs. TEMPERATURE
POWER-SUPPLY REJECTION
vs. CURRENT OUTPUT (4-20OUT)
4-20OUT vs. DAC CODE
(4-20OUT SPAN LINEARITY)
50
40
30
20
EXTERNAL REFERENCE = 2.048V
4–20mA MODE
150
100
50
2.5
2.0
1.5
10
0
-10
-20
-30
0 TO 16mA MODE
0
-50
-100
1.0
0.5
0
OFFSET ENABLED
(EN_I = HIGH)
-40
-50
-150
-0.5
-40
-20
0
20
40
60
80
4
6
8
10
12
14
16
18
20
-20,000
-10,000
0
10,000
20,000
TEMPERATURE ( ° C)
4-20OUT OUTPUT CURRENT (mA)
DAC CODE (COUNTS)
_______________________________________________________________________________________
9
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