参数资料
型号: AD8264ACPZ-R7
厂商: Analog Devices Inc
文件页数: 39/40页
文件大小: 0K
描述: IC AMP VGA DIFF QUAD LN 40LFCSP
标准包装: 750
放大器类型: 可变增益
电路数: 4
输出类型: 差分
转换速率: 380 V/µs
-3db带宽: 235MHz
电流 - 输入偏压: 5µA
电流 - 电源: 99mA
电压 - 电源,单路/双路(±): ±2.5 V ~ 5 V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 40-VFQFN 裸露焊盘,CSP
供应商设备封装: 40-LFCSP-VQ(6x6)
包装: 带卷 (TR)
AD8264
Rev. A | Page 8 of 40
TYPICAL PERFORMANCE CHARACTERISTICS
VS = ±2.5 V, TA = 25°C, f = 10 MHz, CL = 5 pF, RL = 500 per output (VGAx, VOHx, VOLx), VGAIN = (VGNHx VGNLO) = 0 V,
VVOCM = GND, VOFSx = GND, gain range = 6 dB to 30 dB, unless otherwise specified.
–6
0
6
12
18
24
30
36
–0.7
–0.5
–0.3
–0.1
0.1
0.3
0.5
0.7
G
AI
N
(
d
B)
VGAIN (V)
–40°C
+25°C
+85°C
+105°C
07736-
004
VGA
DIFFERENTIAL
OUTPUT
Figure 3. Gain vs. VGAIN vs. Temperature
–2.0
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
2.0
–0.7
–0.5
–0.3
–0.1
0.1
0.3
0.5
0.7
G
AI
N
E
RRO
R
(
d
B)
VGAIN (V)
07736-
005
TA = +105°C
TA = +25°C
TA = –40°C
MAX
MIN
Figure 4. Gain Error vs. VGAIN vs. Temperature
–4
–3
–2
–1
0
1
2
–0.7
–0.5
–0.3
–0.1
0.1
0.3
0.5
0.7
G
AI
N
E
RRO
R
(
d
B)
1MHz
10MHz
70MHz
100MHz
150MHz
07736-
006
VGAIN (V)
Figure 5. Gain Error vs. VGAIN at Various Frequencies to VGAx
07736-
007
H
ITS
140
120
100
80
60
40
20
0
–0.6
–0.4
–0.2
0
0.2
0.4
GAIN ERROR (dB)
MEAN: –0.1dB
SD: 0.05dB
VGAIN = 0V
Figure 6. VGA Absolute Gain Error Histogram
07736-
008
H
ITS
180
150
120
90
60
30
0
19.0
19.5
20.0
20.5
21.0
GAIN SCALING (dB/V)
MEAN: 20.1dB
SD: 0.09dB
Figure 7. Gain Scale Factor Histogram (0.4 V < VGAIN < +0.4 V)
07736-
009
H
ITS
80
60
40
20
0
11.7
11.8
11.9
12.0
12.1
GAIN INTERCEPT (dB)
MEAN: 11.9dB
SD: 0.08dB
Figure 8. VGA Gain Intercept Histogram
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