MAX1368ECM+ Maxim Integrated Products, MAX1368ECM+ Datasheet - Page 23

• Manufacturer Part Number: MAX1368ECM+
• Description: IC PANEL METER 3.5 DIG 48LQFP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1368ECM+

• Display Type: LED
• Configuration: 7 Segment
• Interface: Serial
• Digits Or Characters: A/D 3.5 Digits
• Voltage - Supply: 2.7 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -

Table 6. Register-Address Table
Table 7. Segment-Current Selection
Table 8.
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.
REGISTER
R
Microcontroller-Interface, 4.5-/3.5-Digit Panel
10
11
12
—
1
2
3
4
5
6
7
8
9
ISET
> 2500
100
500
25
50
DESCRIPTION
CS and CS_DAC Table
(kΩ)
______________________________________________________________________________________
ADDRESS RS[4:0]
All other addresses
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
10100
LED driver disabled
I
SEG
CS
20
10
0
0
1
1
5
1
(mA)
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
CS_DAC
Meters with 4–20mA Output
0
1
0
1
NAME
Table 9. FET Characteristics
*V
I
BV
V
Power dissipation
DS
PINCHOFF
EXT
DS
is the 7V to 30V loop voltage.
FET TYPE
WIDTH
30mA
(V
REG_VDD max
30mA x (V
16
16
16
16
16
16
16
16
16
—
n-CHANNEL DEPLETION MODE
EXT
8
8
8
* - REG_VDD) min
EXT
- REG_VDD) min
Read only
ACCESS
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
—
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