参数资料
| 型号： | LT2079IS#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 14/16页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP MICROPOWER QUAD 14SOIC |
| 标准包装： | 55 |
| 放大器类型： | 通用 |
| 电路数： | 4 |
| 转换速率： | 0.1 V/µs |
| 增益带宽积： | 200kHz |
| 电流 - 输入偏压： | 6nA |
| 电压 - 输入偏移： | 80µV |
| 电流 - 电源： | 47µA |
| 电压 - 电源，单路/双路(±)： | 2.2 V ~ 36 V，±1.1 V ~ 18 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 14-SO |
| 包装： | 管件 |
| 产品目录页面： | 1320 (CN2011-ZH PDF) |
7
LT 2078/LT 2079
20789fa
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
Voltage Gain vs Load Resistance
LOAD RESISTANCE TO GROUND (
)
100
100k
VOLTAGE
GAIN
(V/V)
1M
10M
10k
100k
1k
1M
LT2078/79 TPC14
25
°C
–55
°C
125
°C
25
°C
–55
°C
125
°C
VS = ±15V
VS = 5V, 0V
Capacitive Load Handling
Gain, Phase vs Frequency
FREQUENCY (kHz)
30
20
10
0
–10
100
300
LTC2078/79 TPC12
VOLTAGE
GAIN
(dB)
100
120
140
160
180
200
PHASE
SHIFT
(DEG)
10
1000
PHASE
MARGIN
58
°
PHASE
MARGIN
46
°
5V, 0V
±15V
5V, 0V
Voltage Gain vs Frequency
FREQUENCY (Hz)
0.01
VOLTAGE
GAIN
(dB)
1M
LT2078/79 TPC13
1
100
10k
140
120
100
80
60
40
20
0
–20
0.1
10
1k
100k
VS = ±15V
VS = 5V, 0V
TA = 25°C
Slew Rate, Gain Bandwidth Product
and Phase Margin vs Temperature
TEMPERATURE (
°C)
–50
GAIN
BANDWIDTH
PRODUCT
(kHz)
SLEW
RATE
(V/
s)
PHASE
MARGIN
(DEG)
0.12
0.10
0.08
0.06
0.04
240
220
200
180
160
75
65
55
45
0
50
75
LT2078/79 TPC15
–25
25
100
125
SLEW =
±15V
GBW =
±15V
GBW = 5V, 0V
SLEW = 5V, 0V
φM = ±15V
φM = 5V, 0V
fO = 20kHz
Channel Separation vs Frequency
FREQUENCY (Hz)
1
CHANNEL
SEPARATION
(dB)
120
100
80
60
40
20
0
10
100
1k
10k
LT2078/79 TPC16
100k
1M
TA = 25°C
VS = ±2.5V
VIN = 3VP-P
RL = 10k
CAPACITIVE LOAD (pF)
10
OVERSHOOT
(%)
120
100
80
60
40
20
0
10000
LT2078/79 TPC17
1000
100
TA = 25°C
VS = 5V, 0V
AV = 1
AV = 10
AV = 5
Power Supply Rejection Ratio
vs Frequency
Undistorted Output Swing
vs Frequency
Common Mode Rejection Ratio
vs Frequency
FREQUENCY (Hz)
10
COMMON
MODE
REJECTION
RATIO
(dB)
100
1k
10k
100k
LT2078/79 TPC19
1M
TA = 25°C
120
100
80
60
40
20
0
VS = ±15V
VS = 5V, 0V
FREQUENCY (kHz)
0.01
PEAK-TO-PEAK
OUTPUT
SWING,
V
S
=
±
15V
(V)
PEAK-TO-PEAK
OUTPUT
SWING,
V
S =
5V,
0V
(V)
30
20
10
0
5
4
3
2
1
0
100
LT2078/79 TPC18
110
VS = 5V, 0V
RL ≥ 100k
VS = ±15V
RL ≥ 100k
VS = ±15V
RL = 30k
VS = 5V, 0V
RL ≥ 1k
TA = 25°C
LOAD RL,
TO GND
FREQUENCY (Hz)
0.1
POWER
SUPPLY
REJECTION
RATIO
(dB)
120
100
80
60
40
20
0
100
10k
LT2078/79 TPC20
110
1k
100k
1M
TA = 25°C
VS = ±2.5V + 1VP-P SINE WAVE
POSITIVE
SUPPLY
NEGATIVE
SUPPLY
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