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参数资料
| 型号： | LT1497CS8#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 10/12页 |
| 文件大小： | 0K |
| 描述： | IC CURRNT FEEDBCK AMP DUAL 8SOIC |
| 标准包装： | 2,500 |
| 放大器类型： | 电流反馈 |
| 电路数： | 2 |
| 转换速率： | 900 V/µs |
| -3db带宽： | 50MHz |
| 电流 - 输入偏压： | 7µA |
| 电压 - 输入偏移： | 3000µV |
| 电流 - 电源： | 7mA |
| 电流 - 输出 / 通道： | 220mA |
| 电压 - 电源，单路/双路(±)： | 4 V ~ 30 V，±2 V ~ 15 V |
| 工作温度： | 0°C ~ 70°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) |
7
LT1497
Settling Time to 10mV
vs Output Step
Spot Noise Voltage and Current
vs Frequency
SETTLING TIME (ns)
0
OUTPUT
STEP
(V)
2
6
10
80
1497 G16
–2
–6
0
4
8
–4
–8
–10
20
40
60
100
AV = –1
AV = 1
VS = ±15V
RF = 560
FREQUENCY (Hz)
10
100
1
SPOT
NOISE
(nV/
√
Hz
OR
pA/
√
Hz)
10
100
1k
10k
100k
1497 G18
–in
+in
en
Settling Time to 1mV
vs Output Step
SETTLING TIME (ns)
0
OUTPUT
STEP
(V)
2
6
10
200
1497 G17
–2
–6
0
4
8
–4
–8
–10
50
100
150
250
175
25
75
125
225
AV = –1
AV = 1
VS = ±15V
RF = 560
TYPICAL PERFORMANCE CHARACTERISTICS
UW
Total Harmonic Distortion
vs Frequency
2nd and 3rd Harmonic Distortion
vs Frequency
FREQUENCY (Hz)
10
100
0.001
TOTAL
HARMONIC
DISTORTION
(%)
0.01
0.10
1k
10k
100k
1497 G19
VS = ±15V
RL = 100
RF = RG = 560
VOUT = 2VRMS
VOUT = 7VRMS
FREQUENCY (MHz)
0.1
–100
DISTORTION
(dBc)
–90
–80
–70
–60
–20
110
1497 G20
–50
–40
–30
AV = 1
2ND
VS = ±15V
VOUT = 5VP-P
RL = 50
RF = 560
AV = –1
3RD
AV = –1
2ND
AV = 1
3RD
3rd Order Intercept vs Frequency
FREQUENCY (MHz)
0
3RD
ORDER
INTERCEPT
(dBm)
15
20
25
30
40
5
10
15
20
1497 G21
25
30
35
10
VS = ±15V
RL = 50
RF = 270
RG = 30
PO1 = PO2 = 4dBm
Power Supply Rejection
vs Frequency
Amplifier Crosstalk vs Frequency
Output Impedance vs Frequency
FREQUENCY (Hz)
10k
100k
0.01
OUTPUT
IMPEDANCE
(
)
1
100
1M
10M
100M
1497 G22
0.1
10
VS = ±15V
RF = RG = 1.5k
RF = RG = 560
FREQUENCY (Hz)
20
POWER
SUPPLY
REJECTION
(dB)
40
50
70
80
10k
1M
10M
100M
1497 G23
0
100k
60
30
10
VS = ±15V
RL = 50
RF = RG = 560
POSITIVE
NEGATIVE
FREQUENCY (Hz)
–80
OUTPUT
TO
INPUT
CROSSTALK
(dB)
–60
–40
–50
–20
–10
–90
–70
–30
10k
1M
10M
100M
1497 G24
–100
–110
100k
VS = ±15V
AV = 10
RL = 100
RF = 560
RG = 62
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