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参数资料
| 型号： | LTC1050ACN8#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 15/16页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP CHOP-STBL W/CAPS 8-DIP |
| 标准包装： | 50 |
| 放大器类型： | 断路器（零漂移） |
| 电路数： | 1 |
| 转换速率： | 4 V/µs |
| 增益带宽积： | 2.5MHz |
| 电流 - 输入偏压： | 10pA |
| 电压 - 输入偏移： | 0.5µV |
| 电流 - 电源： | 1mA |
| 电压 - 电源，单路/双路(±)： | 4.75 V ~ 16 V，±2.38 V ~ 8 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
8
LTC1050
1050fb
U
S
A
O
PPLICATI
WU
U
IFOR ATIO
When an external clock is used, it is directly applied to
Pin 5. The internal oscillator signal on Pin 5 has very low
drive capability and can be overdriven by any external
signal. When the LTC1050 operates on ±5V power sup-
plies, the external clock level is TTL compatible.
Using an external clock can affect performance of the
LTC1050. Effects of external clock frequency on input
offset voltage and input noise voltage are shown in the
Typical Performance Characteristics section. The sam-
pling frequency is the external clock frequency divided
by 4. Input bias currents at temperatures below 100°C
are dominated by the charge injection of input switches
and they are basically proportional to the sampling
frequency. At higher temperatures, input bias currents
are mainly due to leakage currents of the input protection
devices and are insensitive to the sampling frequency.
LOW SUPPLY OPERATION
The minimum supply for proper operation of the LTC1050
is typically below 4V (±2V). In single supply applications,
PSRR is guaranteed down to 4.7V (±2.35V) to ensure
proper operation down to the minimum TTL specified
voltage of 4.75V.
PIN COMPATIBILITY
The LTC1050 is pin compatible with the 8-pin versions of
7650, 7652 and other chopper-stabilized amplifiers. The
7650 and 7652 require the use of two external capacitors
connected to Pin 1 and Pin 8 that are not needed for the
LTC1050. Pin 1 and Pin 8 of the LTC1050 are not con-
nected internally while Pin 5 is an optional external clock
input pin. The LTC1050 can be a direct plug-in for the 7650
and 7652 even if the two capacitors are left on the circuit
board.
In applications operating from below 16V total power
supply, (±8V), the LTC1050 can replace many industry
standard operational amplifiers such as the 741, LM101,
LM108, OP07, etc. For devices like the 741 and LM101,
the removal of any connection to Pin 5 is all that is
needed.
U
S
A
O
PPLICATI
TYPICAL
–
+
LTC1050
–5V
5V
–
+
LTC1050
7
5V
2.5V
–5V
2
3
4
6
1N4148
2N2907
–5V
10k
ZERO
R2
0.1%
OUTPUT
± 2.5V
R1
0.1%
GAIN
TRIM
7
4
6
*
C**
1050 TA03
3
2
2k
301k
RN60C
120
51
2W
*
**
OPTIONAL REFERENCE OUT TO MONITORING
10-BIT A/D CONVERTER
AT GAIN = 1000, 10Hz PEAK-TO-PEAK NOISE
IS < 0.5LSB FOR 10-BIT RESOLUTION
LT1009
350
BRIDGE
Strain Gauge Signal Conditioner with Bridge Excitation
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