参数资料
型号: LT1994CDD#TRPBF
厂商: Linear Technology
文件页数: 8/20页
文件大小: 0K
描述: IC DIFF AMP/DRIVER LN 8-DFN
标准包装: 2,500
放大器类型: 差分
电路数: 1
输出类型: 满摆幅
转换速率: 65 V/µs
增益带宽积: 70MHz
电流 - 输入偏压: 18µA
电压 - 输入偏移: 3000µV
电流 - 电源: 14.8mA
电流 - 输出 / 通道: 85mA
电压 - 电源,单路/双路(±): 2.375 V ~ 12.6 V,±1.188 V ~ 6.3 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 8-WFDFN 裸露焊盘
供应商设备封装: 8-DFN-EP(3x3)
包装: 带卷 (TR)
LT1994
16
1994fb
0.1μF ceramic capacitor in single-supply applications.
This will help prevent thermal noise from the internal
80k
Ω-80kΩ voltage divider (25nV/√Hz) and other exter-
nal sources of noise from being converted to differential
noise due to mismatches in the feedback networks. It is
also recommended that the resistive feedback networks
be comprised of 1% resistors (or better) to enhance the
output common mode rejection. This will also prevent
VOCM input referred common mode noise of the common
mode amplier path (which cannot be ltered) from being
converted to differential noise, degrading the differential
noise performance.
APPLICATIONS INFORMATION
SIMPLIFIED SCHEMATIC
1994 SS01
V+
SHDN
120k
Q4
I1
Q3
I1
55k
V+
V
OUT+
V+
V
V+
V
VOCM
V
V+
V
V+
V
BIAS
ADJUST
SHUTDOWN
CIRCUIT
CM
ADJUST
80k
Q11
Q12
Q5 Q6
Q8
I4B
OUT+
V+
OUT
Q7
I3
BIAS
R1
4k
R2
4k
CM2
+
OUT
V+
V
V+
V
BIAS
ADJUST
Q9
Q10
CM1
IN
V+
V
IN+
V+
V
+
V+
Q1
Q2
D2
I2
Gm2B
Gm2A
D1
D4
D3
I4A
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