参数资料
型号: AD526BD
厂商: Analog Devices Inc
文件页数: 2/14页
文件大小: 0K
描述: IC AMP PGA 10MA 16CDIP
标准包装: 23
放大器类型: 可编程增益
电路数: 1
转换速率: 24 V/µs
-3db带宽: 4MHz
电流 - 输入偏压: 50pA
电压 - 输入偏移: 250µV
电流 - 电源: 10mA
电流 - 输出 / 通道: 10mA
电压 - 电源,单路/双路(±): ±4.5 V ~ 16.5 V
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 16-CDIP(0.300",7.62mm)
供应商设备封装: 16-CDIP 侧面铜焊
包装: 管件
AD526
REV. D
–10–
GROUNDING AND BYPASSING
Proper signal and grounding techniques must be applied in
board layout so that specified performance levels of precision
data acquisition components, such as the AD526, are not
degraded.
As is shown in Figure 37, logic and signal grounds should be
separate. By connecting the signal source ground locally to the
AD526 analog ground Pins 5 and 6, gain accuracy of the
AD526 is maintained. This ground connection should not be
corrupted by currents associated with other elements within the
system.
GAIN
NETWORK
LATCHES AND LOGIC
DIGITAL
GROUND
AMP
VOUT
FORCE
VOUT
SENSE
ANALOG
GROUND 1
ANALOG
GROUND 2
+VS
–VS
AD526
VIN
+15V
–15V
0.1 F
1 F
+5V
AD574
12-BIT
A/D
CONVERTER
Figure 37. Grounding and Bypassing
OUT
FORCE
OUT
SENSE
0.1 F
–VS
0.1 F
+VS
+5V
A2
A1
A0
VIN
CLK
16
15
14
13
12
11
10
9
12
34
56
78
+
AD526
16
84
21
GAIN NETWORK
A1
A0
CS CLK
A2
B
LOGIC AND LATCHES
OUT
FORCE
OUT
SENSE
VOUT
0.1 F
–VS
0.1 F
+VS
+5V
16
15
14
13
12
11
10
9
12
34
56
78
+
AD526
16
84
21
GAIN NETWORK
A1
A0
CS CLK
A2
B
LOGIC AND LATCHES
Figure 38. Cascaded Operation
Utilizing the force and sense outputs of the AD526, as shown in
Figure 38, avoids signal drops along etch runs to low impedance
loads.
Table II. Logic Table for Figure 38
VOUT/VIN
A2
A1
A0
10
0
20
0
1
40
1
0
80
1
16
1
0
32
1
0
1
64
1
0
128
1
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