参数资料
| 型号： | LT1497CS8#TR |
| 厂商： | Linear Technology |
| 文件页数： | 7/12页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP CFA DUAL 50MHZ 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) |
4
LT1497
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SR
Slew Rate
VS = ±15V, TA = 25°C (Note 4)
500
900
V/
s
q
400
V/
s
VS = ±5V, TA = 25°C (Note 4)
200
350
V/
s
q
150
V/
s
BW
Small-Signal Bandwidth
VS = ±15V, RF = RG = 560, RL = 100
50
MHz
VS = ±5V, RF = RG = 560, RL = 100
35
MHz
VS = ±2.5V, RF = RG = 560, RL = 100
30
MHz
tr
Small-Signal Rise Time
VS = ±15V, RF = RG = 560, RL = 100
7.5
ns
VS = ±5V, RF = RG = 560, RL = 100
9.5
ns
VS = ±2.5V, RF = RG = 560, RL = 100
11
ns
Overshoot
VS = ±15V, RF = RG = 560, RL = 100
15
%
VS = ±5V, RF = RG = 560, RL = 100
12
%
VS = ±2.5V, RF = RG = 560, RL = 100
10
%
Propagation Delay
VS = ±15V, RF = RG = 560, RL = 100
6.8
ns
VS = ±5V, RF = RG = 560, RL = 100
8.4
ns
VS = ±2.5V, RF = RG = 560, RL = 100
9.7
ns
ts
Settling Time
VS = ±15V, 10V Step, 0.1%, AV = – 1
55
ns
VS = ±5V, 5V Step, 0.1%, AV = – 1
50
ns
Differential Gain (Note 5)
VS = ±15V, RF = RG = 510, RL = 150
0.02
%
VS = ±15V, RF = RG = 510, RL = 50
0.19
%
VS = ±5V, RF = RG = 510, RL = 150
0.08
%
VS = ±5V, RF = RG = 510, RL = 50
0.41
%
Differential Phase (Note 5)
VS = ±15V, RF = RG = 510, RL = 150
0.015
Deg
VS = ±15V, RF = RG = 510, RL = 50
0.235
Deg
VS = ±5V, RF = RG = 510, RL = 150
0.045
Deg
VS = ±5V, RF = RG = 510, RL = 50
0.310
Deg
VCM = 0V, ±2.5V ≤ VS ≤ ±15V (LT1497CS), ±2.5V ≤ VS ≤ ±5V (LT1497CS8), pulse tested unless otherwise noted.
The q denotes specifications which apply over the full operating
temperature range.
Note 1: Applies to short circuits to ground only. A short circuit between the
output and either supply may damage the part when operated on supplies
greater than
±10V
Note 2: The LT1497 is designed, characterized and expected to operate
over the temperature range of – 40
°C to 85°C, but is not tested at –40°C
and 85
°C. Guaranteed industrial grade parts are available, consult factory.
Note 3: Thermal resistance varies depending upon the amount of PC board
metal attached to the device.
θJA is specified for a 2500mm2 test board
covered with 2oz copper on both sides.
Note 4: Slew rate is measured between
±5V on a ±10V output signal while
operating on
±15V supplies with RF = 453, RG = 49.9 and RL = 150.
On
±5V supplies slew rate is measured between ±1V on a ±3V output
signal. The slew rate is much higher when the input is overdriven and
when the amplifier is operated inverting. See the Applications Information
section.
Note 5: NTSC composite video with an amplifier output level of 2V peak.
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