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参数资料
| 型号： | 5962-9169201QXC |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | ADC |
| 英文描述： | 2-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CDIP28 |
| 封装： | CERAMIC, DIP-28 |
| 文件页数： | 35/39页 |
| 文件大小： | 334K |
| 代理商： | 5962-9169201QXC |
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MAX6954
4-Wire Interfaced, 2.7V to 5.5V LED Display
Driver with I/O Expander and Key Scan
_______________________________________________________________________________________
5
Typical Operating Characteristics (continued)
(V+ = 3.3V, LED forward voltage = 2.4V, typical application circuit, TA = +25°C, unless otherwise noted.)
DEAD CLOCK OSCILLATOR FREQUENCY
vs. SUPPLY VOLTAGE
MAX6954
toc04
SUPPLY VOLTAGE (V)
OSCILLATOR
FREQUENCY
(kHz)
5.0
4.5
4.0
3.5
3.0
85
95
105
110
80
2.5
5.5
RSET = 56k
Ω
OSC = GND
100
90
SEGMENT SOURCE CURRENT
vs. SUPPLY VOLTAGE
MAX6954
toc05
SUPPLY VOLTAGE (V)
CURRENT
NORMALIZED
TO
40mA
5.0
4.5
4.0
3.5
3.0
0.94
0.98
1.00
1.02
0.92
2.5
5.5
VLED = 1.8V
0.96
1V/div
200
μs/div
MAX6954 toc06
O0
O18
WAVEFORM AT PINS O0 AND O18,
MAXIMUM INTENSITY
0V
GPIO SINK CURRENT
vs. TEMPERATURE
MAX6954
toc07
TEMPERATURE (
°C)
GPIO
SINK
CURRENT
(mA)
110
50
80
20
-10
5
10
15
20
25
30
35
40
45
0
-40
VCC = 3.3V
VCC = 2.5V
VCC = 5.5V
OUTPUT = LOW
VPORT = 0.6V
PORT INPUT PULLUP CURRENT
vs. TEMPERATURE
MAX6954
toc08
TEMPERATURE (
°C)
KEY-SCAN
SOURCE
CURRENT
(mA)
110
50
80
20
-10
0.05
0.10
0.15
0.20
0.25
0.30
0
-40
VCC = 3.3V
VCC = 2.5V
VCC = 5.5V
OUTPUT = HIGH
VPORT = 1.4V
400
μs/div
KEY_A: 1V/div
IRQ: 2V/div
MAX6954 toc09
KEY_A
0V
IRQ
KEYSCAN OPERATION
(KEY_A AND IRQ)
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相关代理商/技术参数 |
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| 5962-9169301M2A | 制造商:Texas Instruments 功能描述:-LIFETIME BUYS TIL 03/03 |
| 5962-9169701MMA | 制造商:e2v Aerospace & Defense 功能描述:SMD MKD 87C51RC-16 PHI-JLCC |
| 5962-9169701MUA | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Intel 功能描述: |
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