参数资料
型号: AD8620BRZ-REEL
厂商: Analog Devices Inc
文件页数: 9/24页
文件大小: 0K
描述: IC OPAMP JFET 25MHZ DUAL 8SOIC
设计资源: Using AD7328 in Appls with Single-Ended Industrial-Level Signals (CN0047)
标准包装: 2,500
放大器类型: J-FET
电路数: 2
转换速率: 60 V/µs
增益带宽积: 25MHz
电流 - 输入偏压: 3pA
电压 - 输入偏移: 45µV
电流 - 电源: 3mA
电流 - 输出 / 通道: 45mA
电压 - 电源,单路/双路(±): ±5 V ~ 13 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SO
包装: 带卷 (TR)
AD8610/AD8620
Rev. F | Page 17 of 24
THD Readings vs. Common-Mode Voltage
Total harmonic distortion of the AD8610/AD8620 is well below
0.0006% with any load down to 600 Ω. The AD8610 outperforms
the OPA627 for distortion, especially at frequencies above 20 kHz.
10
100
1k
10k
80k
02
73
0-
0
58
T
HD
+
N
(
%
)
FREQUENCY (Hz)
0.1
0.01
0.001
0.0001
OPA627
AD8610
VS = ±13V
VIN = 5V rms
BW = 80kHz
Figure 58. AD8610 vs. OPA627 THD + Noise @ VCM = 0 V
10
100
1k
10k
20k
02
73
0-
05
9
T
HD
+
N
(
%
)
FREQUENCY (Hz)
0.1
0.01
0.001
4V rms
6V rms
2V rms
VS = ±13V
RL = 600
Figure 59. THD + Noise vs. Frequency
Noise vs. Common-Mode Voltage
The AD8610/AD8620 noise density varies only 10% over the
input range, as shown in Table 5.
Table 5. Noise vs. Common-Mode Voltage
VCM at f = 1 kHz (V)
Noise Reading (nV/√Hz)
10
7.21
5
6.89
0
6.73
+5
6.41
+10
7.21
Settling Time
The AD8610/AD8620 have a very fast settling time, even to a
very tight error band, as can be seen from Figure 60. The AD8610/
AD8620 are configured in an inverting gain of +1 with 2 kΩ input
and feedback resistors. The output is monitored with a 10×,
10 MΩ, 11.2 pF scope probe.
0.001
0.01
0.1
1
10
02
73
0-
06
0
S
E
TT
LI
N
G
T
IM
E
(n
s)
ERROR BAND (%)
1.2k
1.0k
800
600
400
200
0
Figure 60. AD8610/AD8620 Settling Time vs. Error Band
OPA627
0.001
0.01
0.1
1
10
02
73
0-
06
1
SE
T
L
IN
G
T
IM
E
(
n
s)
ERROR BAND (%)
1.2k
1.0k
800
600
400
200
0
Figure 61. OPA627 Settling Time vs. Error Band
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