参数资料
| 型号： | AD603ARZ-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 7/25页 |
| 文件大小： | 0K |
| 描述： | IC AMP VGA 90MHZ LN 50MA 8SOIC |
| 标准包装： | 2,500 |
| 系列： | X-AMP® |
| 放大器类型： | 可变增益 |
| 电路数： | 1 |
| 转换速率： | 275 V/µs |
| -3db带宽： | 90MHz |
| 电流 - 输入偏压： | 200nA |
| 电流 - 电源： | 12.5mA |
| 电流 - 输出 / 通道： | 50mA |
| 电压 - 电源，单路/双路(±)： | 9.5 V ~ 12.6 V，±4.75 V ~ 6.3 V |
| 工作温度： | -40°C ~ 85°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) |
| 配用： | AD603-EVALZ-ND - BOARD EVALUATION FOR AD603 |
AD603
Data Sheet
Rev. K | Page 14 of 24
2.15k
5.6pF
GPOS
GNEG
VINP
COMM
VPOS
VOUT
VNEG
FDBK
AD603
VC1
VC2
VIN
VPOS
VOUT
VNEG
00539-
031
8
7
6
5
1
2
3
4
Figure 33. 0 dB to 40 dB; 30 MHz Bandwidth
18pF
GPOS
GNEG
VINP
COMM
VPOS
VOUT
VNEG
FDBK
AD603
VC1
VC2
VIN
VPOS
VOUT
VNEG
00539-
032
8
7
6
1
2
3
4
5
Figure 34. 10 dB to 50 dB; 9 MHz to Set Gain
00539-
033
REXT ()
1M
10
100
1k
10k
100k
G
AI
N
(
d
B)
52
48
50
44
42
46
40
38
36
34
32
30
–1:VdB (OUT)
–2:VdB (OUT)
VdB (OUT)
Figure 35. Gain vs. REXT, Showing Worst-Case Limits Assuming Internal
Resistors Have a Maximum Tolerance of 20%
Optionally, when a resistor is placed from FDBK to COMM,
higher gains can be achieved. This fourth mode is of limited
value because of the low bandwidth and the elevated output
offsets; it is thus not included in Figure 32, Figure 33, or
The gain of this amplifier in the first two modes is set by the
ratio of on-chip laser-trimmed resistors. While the ratio of these
resistors is very accurate, the absolute value of these resistors
can vary by as much as ±20%. Therefore, when an external
resistor is connected in parallel with the nominal 6.44 k ± 20%
internal resistor, the overall gain accuracy is somewhat poorer.
The worst-case error occurs at about 2 k (see Figure 36).
00539-
034
REXT ()
1M
10
100
1k
10k
100k
G
AI
N
E
RRO
R
(
d
B)
1.2
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
–1:VdB (OUT) – (–1):VdB (OREF)
VdB (OUT) – VdB (OREF)
Figure 36. Worst-Case Gain Error, Assuming Internal Resistors Have a
Maximum Tolerance of 20% (Top Curve) or = 20% (Bottom Curve)
While the gain bandwidth product of the fixed-gain amplifier is
about 4 GHz, the actual bandwidth is not exactly related to the
maximum gain. This is because there is a slight enhancing of
the ac response magnitude on the maximum bandwidth range,
due to higher order poles in the open-loop gain function; this
mild peaking is not present on the higher gain ranges. Figure 32,
Figure 33, and Figure 34 show how an optional capacitor may
be added to extend the frequency response in high gain modes.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD603ARZ-REEL7 | 功能描述:IC AMP VGA 90MHZ LN 50MA 8SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:X-AMP® 标准包装:150 系列:- 放大器类型:音频 电路数:2 输出类型:- 转换速率:5 V/µs 增益带宽积:12MHz -3db带宽:- 电流 - 输入偏压:100nA 电压 - 输入偏移:500µV 电流 - 电源:6mA 电流 - 输出 / 通道:50mA 电压 - 电源，单路/双路(±):4 V ~ 32 V，±2 V ~ 16 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:8-TSSOP 包装:管件 |
| AD603-EB | 制造商:Analog Devices 功能描述:Evaluation Board For Low Noise, 90 MHz Variable Gain Amplifier |
| AD603-EVALZ | 功能描述:BOARD EVALUATION FOR AD603 RoHS:是 类别:编程器，开发系统 >> 评估板 - 运算放大器 系列:X-AMP® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- |
| AD603SQ/883B | 功能描述:差分放大器 IC 90 MHz VARIABLE GAIN AMP RoHS:否 制造商:Analog Devices 通道数量:1 Channel 带宽:900 MHz 可用增益调整:5.6 dB to 20 dB 输入补偿电压:1 mV at 5 V 共模抑制比（最小值）:67 dB 工作电源电压:11 V 电源电流:28 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel |
| AD603SQ/883B2 | 制造商:AD 制造商全称:Analog Devices 功能描述:Low Noise, 90 MHz Variable Gain Amplifier |
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