参数资料
| 型号： | LT1079SW#TR |
| 厂商： | Linear Technology |
| 文件页数： | 2/20页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP PREC QUAD MCRPWR 16SOIC |
| 标准包装： | 1,000 |
| 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： | 7nA |
| 电压 - 输入偏移： | 80µV |
| 电流 - 电源： | 47µA |
| 电压 - 电源，单路/双路(±)： | 2.2 V ~ 30 V，±1.1 V ~ 15 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SO |
| 包装： | 带卷 (TR) |
10
LT1078/LT1079
10789fe
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
Small-Signal Transient Response
VS = ± 2.5V
20mV/DIV
AV = 1
10
μs/DIV
CL = 15pF
LT1078/79 TPC25
0V
Small-Signal Transient Response
VS = 5V, 0V
20mV/DIV
AV = 1
10
μs/DIV
CL = 15pF
INPUT 50mV TO 150mV
LT1078/79 TPC24
0.1V
Small-Signal Transient Response
VS = ± 15V
20mV/DIV
AV = 1
10
μs/DIV
CL = 15pF
LT1078/79 TPC26
0V
APPLICATIONS INFORMATION
WU
U
The LT1078/LT1079 devices are fully specified with
V + = 5V, V – = 0V, VCM = 0.1V. This set of operating
conditions appears to be the most representative for
battery-powered micropower circuits. Offset voltage is
internally trimmed to a minimum value at these supply
voltages. When 9V or 3V batteries or
±2.5V dual supplies
are used, bias and offset current changes will be minimal.
Offset voltage changes will be just a few microvolts as
given by the PSRR and CMRR specifications. For example,
if PSRR = 114dB (= 2
μV/V), at 9V the offset voltage change
will be 8
μV. Similarly, VS = ±2.5V, VCM = 0V is equivalent
to a common mode voltage change of 2.4V or a VOS
change of 7
μV if CMRR = 110dB (3μV/V).
A full set of specifications is also provided at
±15V supply
voltages for comparison with other devices and for com-
pleteness.
Single Supply Operation
The LT1078/LT1079 are fully specified for single supply
operation, i.e., when the negative supply is 0V. Input
common mode range goes below ground and the output
swings within a few millivolts of ground while sinking
current. All competing micropower op amps either cannot
swing to within 600mV of ground (OP-20, OP-220, OP-420)
or need a pull-down resistor connected to the output to swing
to ground (OP-90, OP-290, OP-490, HA5141/42/44). This
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