参数资料
型号: LT1994MPDD#TRPBF
厂商: Linear Technology
文件页数: 18/20页
文件大小: 0K
描述: IC DIFF AMP/DRIVER LN 8-MSOP
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: -55°C ~ 125°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)
7
1994fb
LT1994
FREQUENCY (Hz)
10
INPUT
REFERRED
VOLTAGE
NOISE
DENSITY
(nV/√Hz)
1k
100k
1M
100
10k
1995 G12
1
10
100
INPUT
CURRENT
NOISE
DENSITY
(pA/√Hz)
1
10
100
VS = 3V
TA = 25°C
en
in
Input Common Mode Rejection vs
Frequency
Common Mode Output Power
Supply Rejection vs Frequency
Input Noise vs Frequency
Differential Distortion vs Input
Amplitude (Single-Ended Input)
Differential Distortion vs Input
Common Mode Level
TYPICAL PERFORMANCE CHARACTERISTICS
1k
10k
100k
1M
10M
100M
FREQUENCY (Hz)
INPUT
CMRR
(dB)
100
90
80
70
60
50
30
40
1995 G10
VS = 3V
VICM
VOSDIFF
VS = 5V
FREQUENCY (MHz)
0.1
1
10
100
COMMON
MODE
PSRR
(dB)
60
50
30
40
20
10
0
1995 G11
VS = 3V
VS
VOSOCM
V+ SUPPLY
VSUPPLY
Differential Distortion vs
Frequency
VIN (VP-P)
1
–110
–100
DISTORTION
HD2,
HD3
(dB)
–90
–80
–70
–60
2
34
1994 G13
5
VS = 3V
fIN = 1MHz
RF = RI = 499Ω
RL = 800Ω
VOCM = MID-SUPPLY
2ND, VCM = V
3RD, VCM = V
3RD, VICM = 1.5V
2ND, VICM = 1.5V
INPUT COMMON MODE DC BIAS, INOR IN+ PINS (V)
0
–110
–100
DISTORTION
HD2,
HD3
(dB)
–90
–80
–70
–40
–50
–60
1.0
1.5
0.5
2.0
1994 G14
2.5
VS = 3V
VIN = 2VP-P (SINGLE ENDED)
fIN = 1MHz
RF = RI = 499Ω
RL = 800Ω
VOCM = MID-SUPPLY
3RD
2ND
FREQUENCY (Hz)
–110
–100
DISTORTION
(dB)
–90
–80
–70
–40
–50
–60
1994 G15
VS = 3V
VIN = 2VP-P (SINGLE ENDED)
fIN = 1MHz
RF = RI = 499Ω
RL = 800Ω
VOCM = MID-SUPPLY
VICM = MID-SUPPLY
3RD
2ND
100k
1M
10M
Slew Rate vs Temperature
2V Step Response Settling
TEMPERATURE (°C)
–50
60
SLEW
RATE
(V/μs)
62
64
66
68
–25
025
50
1994 G16
75
100
VS = 3V
VS = ±5V
RF = RI = 499Ω
25ns/DIV
V
OUT
=
V
OUT
+
V
OUT
(0.5V/DIV)
SETTLE
VOLTAGE
ERROR
(2mV/DIV)
1994 G17
VOUT
–0.1%
ERROR
VS = 3V
RF = RI = 499Ω
+0.1%
ERROR
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