參數(shù)資料
型號(hào): MAX038EPP
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 運(yùn)動(dòng)控制電子
英文描述: ER 7C 5#16 2#12 PIN PLUG
中文描述: SQUARE; TRIANGULAR; SINE; SAWTOOTH; PULSE, 20 MHz, WAVEFORM GENERATION, PDIP20
封裝: PLASTIC, DIP-20
文件頁數(shù): 7/16頁
文件大?。?/td> 203K
代理商: MAX038EPP
M
High-Frequenc y Waveform Generator
_______________________________________________________________________________________
7
______________________________________________________________Pin Desc ription
*The five GND pins are not internally connected. Connect all five GND pins to a quiet ground close to the device. A ground plane is
recommended (see
Layout Considerations).
0
-100
0
20
60
100
OUTPUT SPECTRUM, SINE WAVE
(F
o
= 11.5MHz)
-80
-20
-30
M
FREQUENCY (MHz)
A
40
80
-40
-60
-10
-50
-70
-90
10
30
50
70
90
R
IN
= 15k
(V
= 2.5V), C
F
= 20pF,
V
DADJ
= 40mV, V
FADJ
= -3V
0
-100
0
10
30
50
OUTPUT SPECTRUM, SINE WAVE
(F
o
= 5.9kHz)
-80
-20
-30
M
FREQUENCY (kHz)
A
20
40
-40
-60
-10
-50
-70
-90
5
15
25
35
45
R
IN
= 51k
(V
IN
= 2.5V), C
F
= 0.01
μ
F,
V
DADJ
= 50mV, V
FADJ
= 0V
____________________________Typic al Operating Charac teristic s (c ontinued)
(Circuit of Figure 1, V+ = DV+ = 5V, V- = -5V, V
DADJ
= V
FADJ
= V
PDI
= V
PDO
= 0V, R
L
= 1k
, C
L
= 20pF, T
A
= +25°C, unless
otherwise noted.)
-5V supply input
V-
20
Sine, square, or triangle output
OUT
19
+5V supply input
V+
17
Digital +5V supply input. Can be left open if SYNC is not used.
DV+
16
Digital ground
DGND
15
TTL/CMOS-compatible output, referenced between DGND and DV+. Permits the internal oscillator to be
synchronized with an external signal. Leave open if unused.
SYNC
14
Current input for frequency control
Phase detector output. Connect to GND if phase detector is not used.
Phase detector reference clock input. Connect to GND if phase detector is not used.
IIN
PDO
PDI
10
12
13
External capacitor connection
Duty-cycle adjust input
Frequency adjust input
COSC
DADJ
FADJ
5
7
8
Waveform selection input; TTL/CMOS compatible
A1
4
Waveform selection input; TTL/CMOS compatible
A0
3
PIN
Ground*
GND
2, 6, 9,
11, 18
2.50V bandgap voltage reference output
REF
1
FUNCTION
NAME
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