參數(shù)資料
型號(hào)： CA3338EZ
廠商： INTERSIL CORP
元件分類： DAC
英文描述： CMOS Video Speed, 8-Bit, 50 MSPS, R2R D/A Converters
中文描述： PARALLEL, 8 BITS INPUT LOADING, 0.02 us SETTLING TIME, 8-BIT DAC, PDIP16
封裝： LEAD FREE, PLASTIC, MS-001-BB, DIP-16
文件頁(yè)數(shù)： 7/10頁(yè)
文件大?。?/td> 240K
代理商： CA3338EZ
7
CLOCK
8 DATA BITS
+5V
15
16
14
8
1-7, 9
LE
D0 - D7
V
DD
COMP
V
SS
CA3338
V
OUT
V
REF
+
V
EE
12
13
11
10
+5V
+2.5V
-2.5V
R1
R2
PROBE TIP
OR BNC
CONNECTOR
REMOTE
V
OUT
R3
V
REF
-
DIGITAL
GROUND
ANALOG
GROUND
+
+
+
FIGURE 5. CA3338 DYNAMIC TEST CIRCUIT
FUNCTION
CONNECTOR
Probe Tip
BNC
BNC
BNC
R1
82
75
18
Short
R2
62
160
130
75
R3
N/C
93
75
50
V
OUT (P-P)
1V
1V
1V
0 79V
Oscilloscope Display
Match 93
Cable
Match 75
Cable
Match 50
Cable
NOTES:
3. V
OUT(P-P)
is approximate, and will vary as R
OUT
of D/A varies.
4. All drawn capacitors are 0.1
μ
F multilayer ceramic/4.7
μ
F tantalum.
5. Dashed connections are for unipolar operation. Solid connection are for bipolar operation.
NOTES:
1. Both V
REF
+ pin and 392
resistor should be
bypassed within
1
/
4
inch.
2. Keep nodal capacitance at CA3450 pin 3 as
low as possible.
3. V
OUT
Range =
±
3V at CA3450.
CLOCK
8 DATA
BITS
+5V
15
16
14
8
1-7, 9
LE
D0 - D7
V
DD
COMP
V
SS
CA3338
V
OUT
V
REF
+
V
EE
12
13
11
10
R
V
REF
-
R
11
UP TO 5 OUTPUT LINES
FOR R = 75
, 3 LINES
FOR R = 50
V
OUT
1
V
OUT
N
+3.00V AT 25mA
4.7
μ
F
TAN
4
μ
F
4.7
μ
F TAN
+
4.7
μ
F
TAN
0
μ
F
0.1
μ
F
CER.
0.1
μ
F
CER.
0.1
μ
F CER.
14
+6V
-6V
392
1%
392
1%
10k
1k
3
4, 5, 12, 13
R
R
+
+
+
V
OUT
=
±
1.5V
PEAK
6
7, 8
9
+
CA3450
-
ADJUST
OFFSET
5pF
FIGURE 6. CA3338 AND CA3450 FOR DRIVING MULTIPLE COAXIAL LINES
CA3338, CA3338A
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