参数资料
型号: MAX1368ECM+T
厂商: Maxim Integrated
文件页数: 23/36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
Table 6. Register-Address Table
REGISTER
1
2
3
4
5
6
7
8
9
10
11
12
ADDRESS RS[4:0]
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
10100
All other addresses
NAME
Status register
Control register
Overrange register
Underrange register
LED segment-display register 1
LED segment-display register 2
LED segment-display register 3
ADC custom offset register
ADC result register (16 MSBs)
LED data register
Peak register
ADC result register 2 (4 LSBs)
Reserved
WIDTH
8
16
16
16
16
16
8
16
16
16
16
8
ACCESS
Read only
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
Table 7. Segment-Current Selection
Table 9. FET Characteristics
R ISET (k ? )
25
50
100
500
I SEG (mA)
20
10
5
1
FET TYPE
I DS
BV DS
V PINCHOFF
Power dissipation
n-CHANNEL DEPLETION MODE
30mA
(V EXT * - REG_VDD) min
REG_VDD max
30mA x (V EXT - REG_VDD) min
> 2500
LED driver disabled
* V EXT is the 7V to 30V loop voltage.
Table 8. CS and CS_DAC Table
DESCRIPTION
Reserved.
Read or write to on-chip registers
excluding the DAC register.
Write to the DAC register only.
DOUT is high impedance. DIN and
SCLK are ignored.
CS
0
0
1
1
CS_DAC
0
1
0
1
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