参数资料
| 型号： | LMP8277MA/NOPB |
| 厂商： | National Semiconductor |
| 文件页数： | 7/13页 |
| 文件大小： | 0K |
| 描述： | IC AMP PREC DIFF 8-SOIC |
| 标准包装： | 95 |
| 系列： | LMP® |
| 放大器类型： | 差分 |
| 电路数： | 1 |
| 输出类型： | 满摆幅 |
| 转换速率： | 0.7 V/µs |
| 增益带宽积： | 80kHz |
| 电流 - 输入偏压： | 20pA |
| 电压 - 输入偏移： | 250µV |
| 电流 - 电源： | 1mA |
| 电压 - 电源，单路/双路(±)： | 4.75 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°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-SOIC |
| 包装： | 管件 |
| 其它名称： | *LMP8277MA *LMP8277MA/NOPB LMP8277MA |
OBSOLETE
SNOSAK3G – DECEMBER 2004 – REVISED MARCH 2007
5V Electrical Characteristics
(1)
Unless otherwise specified, all limits are ensured for TA = 25°C, VS = 5V, GND = 0, 2V ≤ VCM ≤ 16V, RL = Open. Boldface
limits apply at the temperature extremes.
Symbol
Parameter
Conditions
Min
Typ(2)
Max
Units
VOS
Input Offset Voltage
VCM = VS/2
±0.25
±2.0
mV
TC VOS
Input Offset Voltage Drift
VCM = VS/2
25°C
≤ TA ≤ 125°C
±20
±30
μV/°C
40°C ≤ TA ≤ 25°C
±20
±35
A2 IB
Input Bias Current of A2
See(3)
20
pA
±20
nA
IS
Supply Current
1.0
1.2
mA
1.4
RCM
Input Impedance Common Mode
160
200
240
k
RDM
Input Impedance Differential Mode
320
400
480
k
CMVR
Input Common-Mode Voltage Range
–2
+16
V
DC
DC Common Mode Rejection Ratio
0°C
≤ TA ≤ 125°C
2V ≤ VCM ≤ 16V
80
97
dB
CMRR
40°C ≤ TA ≤ 0°C
2V ≤ VCM ≤ 16V
77
AC
AC Common Mode Rejection Ratio(4)
2V ≤ VCM ≤ 16V
f = 1 kHz
80
95
dB
CMRR
f = 10 kHz
78
PSRR
Power Supply Rejection Ratio
4.75V
≤ VS ≤ 5.5V
70
80
dB
RF-INT
Filter Resistor
97
100
103
k
TCRF-INT Filter Resistor Drift
20
ppm/°C
AV
Total Gain
13.86
14
14.14
V/V
Gain Drift
±2
±25
ppm/°C
AV1
A1 Gain
6.93
7
7.07
V/V
AV2
A2 Gain
1.98
2
2.02
V/V
A1 VOUT
A1 Output Voltage Swing
VOL
0.004
0.01
V
VOH
4.80
4.95
A2 VOUT
A2 Output Voltage Swing(5)(6)
RL = 100 k on Output
VOL
0.007
0.02
V
VOH
4.80
4.99
RL = 10 k on Output
VOL
0.03
V
VOH
4.95
SR
Slew Rate(7)
0.7
V/
μs
BW
Bandwidth
80
kHz
Noise
0.1 Hz to 10 Hz
3.82
μVPP
Spectral Density
f = 1 kHz
486
nV/
√Hz
(1)
Electrical table values apply only for factory testing conditions at the temperature indicated. Factory testing conditions result in very
limited self-heating of the device.
(2)
Typical values represent the parametric norm at the time of characterization.
(3)
Positive current corresponds to current flowing into the device.
(4)
AC Common Mode Signal is a 16 VPP sine-wave (0V to 16V) at the given frequency
(5)
For VOL, RL is connected to VS and for VOH, RL is connected to GND.
(6)
For this test input is driven from A1 stage.
(7)
Slew rate is the average of the rising and falling slew rates.
Copyright 2004–2007, Texas Instruments Incorporated
3
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