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參數(shù)資料
| 型號： | AD603AR-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 10/25頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP VGA 90MHZ LN 50MA 8SOIC |
| 標準包裝： | 1 |
| 系列： | X-AMP® |
| 放大器類型： | 可變增益 |
| 電路數(shù)： | 1 |
| 轉(zhuǎn)換速率： | 275 V/µs |
| -3db帶寬： | 90MHz |
| 電流 - 輸入偏壓： | 200nA |
| 電流 - 電源： | 12.5mA |
| 電流 - 輸出 / 通道： | 50mA |
| 電壓 - 電源，單路/雙路(±)： | 9.5 V ~ 12.6 V，±4.75 V ~ 6.3 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應商設(shè)備封裝： | 8-SO |
| 包裝： | 標準包裝 |
| 配用： | AD603-EVALZ-ND - BOARD EVALUATION FOR AD603 |
| 其它名稱： | AD603AR-REEL7DKR |
Data Sheet
AD603
Rev. K | Page 17 of 24
connected to the control voltage and the GNEW inputs are
grounded. The gain scaling is then doubled to 80 dB/V,
requiring only a 1.00 V change for an 80 dB change of gain
Gain = (dB) = 80 VG + GO
(4)
where, as before, GO depends on the range selected; for example,
in the maximum bandwidth mode, GO is 20 dB. Alternatively,
the GNEG pins may be connected to an offset voltage of
0.500 V, in which case GO is 20 dB.
The amplitude of the gain ripple in this case is also doubled, as
shown in Figure 45, while the ISNR at the output of A2 now
decreases linearly as the gain increases, as shown in Figure 46.
00539-
043
VC (V)
2.2
–0.2
0
0.2
0.4
0.6
1.0
1.2
0.8
1.6
1.8
2.0
1.4
G
AI
N
E
RRO
R
(
d
B)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
Figure 45. Gain Error for Cascaded Stages—Parallel Control
00539-
044
VC (V)
1.2
–0.2
0
0.2
0.4
0.6
0.8
1.0
IS
NR
(
d
B)
90
80
85
75
65
70
55
60
50
Figure 46. ISNR for Cascaded Stages—Parallel Control
LOW GAIN RIPPLE MODE (MINIMUM GAIN ERROR)
As can be seen in Figure 44 and Figure 45, the error in the gain
is periodic, that is, it shows a small ripple. (Note that there is
also a variation in the output offset voltage, which is due to the
gain interpolation, but this is not exact in amplitude.) By
offsetting the gains of A1 and A2 by half the period of the ripple,
that is, by 3 dB, the residual gain errors of the two amplifiers
can be made to cancel. Figure 47 shows much lower gain ripple
when configured in this manner. Figure 48 plots the ISNR as a
function of gain; it is very similar to that in the parallel mode.
00539-
045
VC (V)
1.1
–0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
G
AI
N
E
RRO
R
(
d
B)
3.0
2.5
2.0
1.5
1.0
0.5
–0.5
–1.0
0
–1.5
–2.0
–2.5
–3.0
Figure 47. Gain Error for Cascaded Stages—Low Ripple Mode
00539-
046
VC (V)
1.2
–0.2
0
0.2
0.4
0.6
0.8
1.0
IS
NR
(
d
B)
90
85
80
75
70
65
60
55
50
Figure 48. ISNR vs. Control Voltage—Low Ripple Mode
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| AD603ARZ | 功能描述:IC AMP VGA 90MHZ LN 50MA 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:X-AMP® 標準包裝:2,500 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源，單路/雙路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| AD603ARZ | 制造商:Analog Devices 功能描述:Programmable Gain Amplifier IC |
| AD603ARZ-REEL | 功能描述:IC AMP VGA 90MHZ LN 50MA 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:X-AMP® 標準包裝:150 系列:- 放大器類型:音頻 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:5 V/µs 增益帶寬積:12MHz -3db帶寬:- 電流 - 輸入偏壓:100nA 電壓 - 輸入偏移:500µV 電流 - 電源:6mA 電流 - 輸出 / 通道:50mA 電壓 - 電源，單路/雙路(±):4 V ~ 32 V，±2 V ~ 16 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應商設(shè)備封裝:8-TSSOP 包裝:管件 |
| AD603ARZ-REEL7 | 功能描述:IC AMP VGA 90MHZ LN 50MA 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:X-AMP® 標準包裝:150 系列:- 放大器類型:音頻 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:5 V/µs 增益帶寬積:12MHz -3db帶寬:- 電流 - 輸入偏壓:100nA 電壓 - 輸入偏移:500µV 電流 - 電源:6mA 電流 - 輸出 / 通道:50mA 電壓 - 電源，單路/雙路(±):4 V ~ 32 V，±2 V ~ 16 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應商設(shè)備封裝:8-TSSOP 包裝:管件 |
| AD603-EB | 制造商:Analog Devices 功能描述:Evaluation Board For Low Noise, 90 MHz Variable Gain Amplifier |
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