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参数资料
| 型号： | LT1497CS8#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 6/12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) |
3
LT1497
ELECTRICAL CHARACTERISTICS
VCM = 0V, ±2.5V ≤ VS ≤ ±15V (LT1497CS), ±2.5V ≤ VS ≤ ±5V (LT1497CS8), pulse tested unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage Range
VS = ±15V
q
±13
±14
V
VS = ±5V
q
±3.0
±4.0
V
VS = ±2.5V
q
±0.5
±1.5
V
CMRR
Common Mode Rejection Ratio
VS = ±15V, VCM = ±13V, TA = 25°C55
62
dB
q
53
dB
VS = ±5V, VCM = ±3V, TA = 25°C54
60
dB
q
52
dB
VS = ±2.5V, VCM = ±0.5V, TA = 25°C52
56
dB
q
50
dB
Inverting Input Current
VS = ±15V, VCM = ±13V
q
2.0
10
A/V
Common Mode Rejection
VS = ±5V, VCM = ±3V
q
2.5
10
A/V
VS = ±2.5V, VCM = ±0.5V
q
3.0
10
A/V
PSRR
Power Supply Rejection Ratio
VS = ±2V to ±15V, TA = 25°C66
76
dB
q
63
dB
VS = ±2V to ±5V, TA = 25°C66
76
dB
q
63
dB
Noninverting Input Current
VS = ±2V to ±15V
q
5
50
nA/V
Power Supply Rejection
VS = ±2V to ±5V
q
5
50
nA/V
Inverting Input Current
VS = ±2V to ±15V
q
0.1
2
A/V
Power Supply Rejection
VS = ±2V to ±5V
q
0.1
2
A/V
AVOL
Large-Signal Voltage Gain
VS = ± 15V, VOUT = ±10V, RL = 150
q
66
80
dB
VS = ±5V, VOUT = ±2.5V, RL = 50
q
66
80
dB
VS = ±2.5V, VOUT = ±0.5V, RL = 50
q
66
80
dB
ROL
Transresistance,
VOUT/IIN–
VS = ±15V, VOUT = ±10V, RL = 150
q
100
500
k
VS = ±5V, VOUT = ±2.5V, RL = 50
q
100
500
k
VS = ±2.5V, VOUT = ±0.5V, RL = 50
q
100
300
k
VOUT
Maximum Output Swing
VS = ±15V, RL = 150, TA = 25°C
±12.80 ±13.15
V
q
±12.60
V
VS = ±15V, IL = ±100mA, TA = 25°C
±12.65
±13.0
V
q
±12.55
V
VS = ±5V, RL = 50, TA = 25°C
±3.20
±3.45
V
q
±3.10
V
VS = ±5V, IL = ±100mA, TA = 25°C
±2.75
±3.10
V
q
±2.65
V
VS = ±2.5V, RL = 50, TA = 25°C
±1.25
±1.45
V
q
±1.15
V
VS = ±2.5V, IL = ±50mA, TA = 25°C
±1.00
±1.15
V
q
±0.90
V
IOUT
Maximum Output Current
RL = 1, VS = ±15V
q
±125
±220
mA
RL = 1, VS = ±5V
q
±125
±220
mA
RL = 1, VS = ±2.5V
±140
mA
IS
Supply Current per Amplifier
VS = ±2.5V to ±5V, TA = 25°C
6.0
7.0
mA
q
8.0
mA
VS = ±15V, TA = 25°C
7.0
9.0
mA
q
10.5
mA
Channel Separation
VS = ±15V, VOUT = ±10V, RL = 150
q
100
120
dB
VS = ±5V, VOUT = ±2.5V, RL = 50
q
100
115
dB
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