参数资料
型号: AD8264ACPZ-R7
厂商: Analog Devices Inc
文件页数: 13/40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 20 of 40
TEST CIRCUITS
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.
50Ω
PrA
6dB
+
6dB
+
IPPx
IPNx
GNHx
VOLx
VOHx
OFSx
VOCM
VGAx
AD8264
OVEN
GNLO
DC
METER
500
500
500
VGAIN
DC
METER
07736-
119
Figure 71. Gain vs. VGAIN vs. Temperature (See Figure 3 and Figure 4)
PrA
6dB
+
6dB
+
IPPx
IPNx
GNHx
VOLx
VOHx
OFSx
VOCM
VGAx
AD8264
GNLO
50Ω
DIFFERENTIAL
PROBE
DIFFERENTIAL
PROBE
VGAIN
CH1
CH2
50Ω
500Ω
OUT
SIGNAL
GENERATOR
OSCILLOSCOPE
07736-
100
Figure 72. Gain Error vs. VGAIN at Various FrequenciestoVGAx (See Figure5)
PrA
6dB
+
6dB
+
VOCM
AD8264
GNLO
50Ω
DIFFERENTIAL
PROBE
VGAIN
CH1
CH2
50Ω
500Ω
NETWORK ANALYZER
07736-
072
IPPx
IPNx
GNHx
VOLx
VOHx
OFSx
VGAx
Figure 73. Frequency Response vs. Gain to VGAx for Various Values of VGAIN,
VGAIN = GNHx – GNLO (See Figure 10)
PrA
6dB
+
6dB
+
IPPx
IPNx
GNHx
VOLx
VOHx
OFSx
VOCM
VGAx
AD8264
GNLO
50Ω
DIFFERENTIAL
PROBE
VGAIN
CH1
CH2
50Ω
NETWORK ANALYZER
500Ω
07736-
101
Figure 74. Frequency Response vs. Gain to Differential Output for Various
Values of VGAIN (See Figure 11)
PrA
6dB
+
6dB
+
IPPx
IPNx
GNHx
VOLx
VOHx
OFSx
VOCM
VGAx
AD8264
GNLO
50Ω
DIFFERENTIAL
PROBE
CH1
CH2
50Ω
500Ω
NETWORK ANALYZER
CL
07736-
102
Figure 75. Frequency Response to Differential Output for
Various Capacitive Loads (See Figure 12)
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