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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： | 34/39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
4
_______________________________________________________________________________________
Typical Operating Characteristics
(V+ = 3.3V, LED forward voltage = 2.4V, typical application circuit, TA = +25°C, unless otherwise noted.)
TIMING CHARACTERISTICS
(
Typical Operating Circuits, V+ = 2.7V to 5.5V, TA = TMIN to TMAX, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
TIMING CHARACTERISTICS
CLK Clock Period
tCP
38.4
ns
CLK Pulse Width High
tCH
16
ns
CLK Pulse Width Low
tCL
16
ns
CS Fall to CLK Rise Setup Time
tCSS
9.5
ns
CLK Rise to
CS Rise Hold Time
tCSH
0ns
DIN Setup Time
tDS
9.5
ns
DIN Hold Time
tDH
0ns
V+ = 3.0V to 5.5V
19
Output Data Propagation Delay
tDO
V+ = 2.7V
25
ns
DOUT Output Rise and Fall Times
tFT
CLOAD = 10pF, V+ = 3.0V to 5.5V
10
Minimum
CS Pulse High
tCSW
19.5
ns
Note 1: All parameters tested at TA = +25°C. Specifications over temperature are guaranteed by design.
INTERNAL OSCILLATOR FREQUENCY
vs. TEMPERATURE
MAX6954
toc01
TEMPERATURE (
°C)
OSCILLATOR
FREQUENCY
(MHz)
110
80
50
20
-10
3.8
4.0
4.2
4.4
3.6
-40
RSET = 56k
Ω
CSET = 22pF
INTERNAL OSCILLATOR FREQUENCY
vs. SUPPLY VOLTAGE
MAX6954
toc02
SUPPLY VOLTAGE (V)
OSCILLATOR
FREQUENCY
(MHz)
5.0
4.5
4.0
3.5
3.0
3.8
4.2
4.4
3.6
2.5
5.5
RSET = 56k
Ω
CSET = 22pF
4.0
100ns/div
OSC: 500mV/div
OSC_OUT: 2V/div
MAX6954 toc03
OSC
0V
OSC_OUT
INTERNAL OSCILLATOR WAVEFORM
AT OSC AND OSC_OUT PINS
RSET = 56k
Ω
CSET = 22pF
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