參數(shù)資料
型號(hào): MAX1497
廠商: Maxim Integrated Products, Inc.
元件分類: LED驅(qū)動(dòng)器
英文描述: 3.5- and 4.5-Digit. Single-Chip ADCs with LED Drivers and 礐 Interface
中文描述: 3位半和4位半、單片ADC,帶有LED驅(qū)動(dòng)器和µC接口
文件頁(yè)數(shù): 8/33頁(yè)
文件大?。?/td> 665K
代理商: MAX1497
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
R
60
50
40
30
20
10
2.046
2.045
2.047
2.049
2.048
2.051
2.050
2.053
2.052
2.054
2.044
0
70
INTERNAL REFERENCE VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
R
4.75
4.25
3.75
3.25
2.045
2.046
2.047
2.048
2.049
2.050
2.044
2.75
5.25
M
3.5- and 4.5-Digit, Single-Chip ADCs with LED
Drivers and μC Interface
8
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(AV
DD
= DV
DD
= V
DD
= +2.7V to +5.25V, V
LED
= +2.7V to +5.25V, GND = 0, GLED = 0, external reference mode, REF+ = 2.048V,
REF- = GND, C
REF+
= C
REF-
= 0.1μF, RANGE bit = 1, internal clock mode, C
VNEG
= 0.1μF. T
A
= +25°C, unless otherwise noted.)
MAX1499
OFFSET ERROR vs. TEMPERATURE
M
TEMPERATURE (
°
C)
O
60
50
10
20
30
40
-0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
-0.2
0
70
MAX1499
GAIN ERROR vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
G
4.75
4.25
3.25
3.75
-0.08
-0.04
-0.06
-0.02
0
0.02
0.04
0.06
0.08
-0.10
2.75
5.25
MAX1499
GAIN ERROR vs. TEMPERATURE
M
TEMPERATURE (
°
C)
G
60
50
30
40
20
10
-0.09
-0.08
-0.07
-0.06
-0.05
-0.04
-0.03
-0.02
-0.01
0
-0.10
0
70
MAX1499
(
±
200mV INPUT RANGE) INL vs. OUTPUT CODE
1.0
M
OUTPUT CODE
I
10,000
0
-10,000
-0.5
0
0.5
-1.0
-20,000
20,000
MAX1499
(
±
2V INPUT RANGE) INL vs. OUTPUT CODE
M
OUTPUT CODE
I
10,000
0
-10,000
-0.5
0
0.5
1.0
-1.0
-20,000
20,000
NOISE DISTRIBUTION
M
NOISE (LSB)
P
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
-0.1
5
10
15
20
25
0
-0.2
DATA OUTPUT RATE
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
D
60
35
-15
10
4.92
4.98
4.96
4.94
5.00
5.02
5.04
5.06
5.08
5.10
4.90
-40
85
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