參數(shù)資料
型號(hào)： 5962-9169201Q3C
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi)： ADC
英文描述： 2-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CQCC28
封裝： CERAMIC, LCC-28
文件頁(yè)數(shù)： 19/23頁(yè)
文件大?。?/td> 364K
代理商： 5962-9169201Q3C
MAX6953
2-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5 7
Matrix LED Display Driver
_______________________________________________________________________________________
5
80
85
95
90
100
105
2.5
3.5
3.0
4.0
4.5
5.0
5.5
DEAD CLOCK OSCILLATOR FREQUENCY
vs. SUPPLY VOLTAGE
MAX6953
toc04
SUPPLY VOLTAGE (V)
OSCILLATOR
FREQUENCY
(kHz)
0.95
0.97
0.96
0.99
0.98
1.00
1.01
2.5
3.5
4.0
3.0
4.5
5.0
5.5
OUTPUT SOURCE CURRENT
vs. SUPPLY VOLTAGE
MAX6953
toc05
SUPPLY VOLTAGE (V)
CURRENT
NORMALIZED
TO
40mA
WAVEFORMS AT O2 (PIN 3) AND O14
(PIN 28) V+ = 3.3V, 8/16 INTENSITY
GROUND FOR
ANODE
(PIN 014)
MAX6953
toc06
GROUND FOR
CATHODE
(PIN 03)
200s/div
Typical Operating Characteristics (continued)
(Typical application circuit, V+ = 3.3V, LED forward voltage = 2.4V, scan limit set to 4 digits, TA = +25°C, unless otherwise noted.)
Pin Description
PIN
SSOP
PDIP
NAME
FUNCTION
1, 2, 3, 6–14, 23, 24
1, 2, 3, 7–15, 26, 27
O0 to O13
LED Cathode Drivers. O0 to O13 outputs sink current from
the display’s cathode rows.
4, 5, 17
4, 5, 6, 19
GND
Ground
15
17
ISET
Segment Current Setting. Connect ISET to GND through
series resistor RSET to set the peak current.
16
18
AD1
Address Input 1. Sets device slave address. Connect to
either GND, V+, SCL, SDA to give four logic combinations.
See Table 3.
—
16, 25
N.C.
Not Connected
18
20
BLINK
Blink Output. Output is open drain.
19
21
OSC
Multiplex Clock Input. To use internal oscillator, connect
capacitor CSET from OSC to GND. To use external clock,
drive OSC with a 1MHz to 8MHz CMOS clock.
20
22
AD0
Address Input 0. Sets device slave address. Connect to
either GND, V+, SCL, SDA to give four logic combinations.
See Table 3.
21
23
SDA
I
2
C-Compatible Serial Data I/O
22
24
SCL
I
2
C-Compatible Serial Clock Input
25–31, 34, 35, 36
28–34, 38, 39, 40
O14 to O23
LED Anode Drivers. O14 to O23 outputs source current to
the display’s anode columns.
32, 33
35, 36, 37
V+
Positive Supply Voltage. Bypass V+ to GND with a 47F
bulk capacitor and a 0.1F ceramic capacitor.
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