参数资料
型号: VCA2615RGZR
厂商: TEXAS INSTRUMENTS INC
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PQCC48
封装: 7 X 7 MM, GREEN, PLASTIC, QFN-48
文件页数: 2/33页
文件大小: 1122K
代理商: VCA2615RGZR
VCA2615
SBOS316D JULY 2005 REVISED OCTOBER 2008
www.ti.com
10
TYPICAL CHARACTERISTICS (continued)
All specifications at TA = +25°C, VDD = 5V, load resistance = 500 on each output to ground; the input to the preamp (LNP) is single-ended;
fIN = 5MHz, LNP Gain (G1, G2) = 10, H/L = 0, VCNTL = 2.5V; VCA output is 1VPP differential; CA, CB = 3.9F, unless otherwise noted.
Figure 25
10
1
0.1
INPUTREFERRED NOISE vs FREQUENCY
(LNP Only)
Frequency (MHz)
110
No
is
e
(n
V
/√
Hz
)
LNP 11
LNP 10
LNP 00
LNP 01
Figure 26
50
52
54
56
58
60
62
64
66
68
70
DISTORTION vs FREQUENCY
(2ndHarmonic, Lo VGA Gain)
Frequency (MHz)
110
Di
s
to
rti
o
n
(d
B
)
LNP 11
LNP 10
LNP 01
LNP 00
Figure 27
40
45
50
55
60
DISTORTION vs FREQUENCY
(3rdHarmonic, Lo VGA Gain)
Frequency (MHz)
110
D
is
tor
ti
on
(d
B
)
LNP 11
LNP 10
LNP 01
LNP 00
Figure 28
50
52
54
56
58
60
62
64
66
68
70
DISTORTION vs FREQUENCY
(2ndHarmonic, Hi VGA Gain)
Frequency (MHz)
110
Di
s
to
rti
o
n
(d
B
)
LNP 11
LNP 10
LNP 01
LNP 00
Figure 29
40
45
50
55
60
65
70
DISTORTION vs FREQUENCY
(3rdHarmonic, Hi VGA Gain)
Frequency (MHz)
110
D
is
tor
ti
on
(d
B
)
LNP 11
LNP 10
LNP 01
LNP 00
Figure 30
30
35
40
45
50
55
60
65
70
2ndHARMONIC DISTORTION vs V
CNTL
(Lo VGA Gain)
V
CNTL (V)
0.
7
0.
8
0.
9
1.
0
1.
1
1.
2
1.
3
1.
4
1.
5
1.
6
1.
7
1.
8
1.
9
2.
0
2.
1
2.
2
2.
3
2.
4
2.
5
D
is
tor
ti
on
(d
B
)
LNP 00
LNP 01
LNP 11
LNP 10
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