參數(shù)資料
型號: LT1497CS8
廠商: Linear Technology
文件頁數(shù): 10/12頁
文件大?。?/td> 0K
描述: IC CURRNT FEEDBCK AMP DUAL 8SOIC
標準包裝: 100
放大器類型: 電流反饋
電路數(shù): 2
轉換速率: 900 V/µs
-3db帶寬: 50MHz
電流 - 輸入偏壓: 7µA
電壓 - 輸入偏移: 3000µV
電流 - 電源: 7mA
電流 - 輸出 / 通道: 220mA
電壓 - 電源,單路/雙路(±): 4 V ~ 30 V,±2 V ~ 15 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 8-SO
包裝: 管件
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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