參數(shù)資料
型號(hào): LT1994CDD#TRPBF
廠商: Linear Technology
文件頁數(shù): 18/20頁
文件大?。?/td> 0K
描述: IC DIFF AMP/DRIVER LN 8-DFN
標(biāo)準(zhǔn)包裝: 2,500
放大器類型: 差分
電路數(shù): 1
輸出類型: 滿擺幅
轉(zhuǎn)換速率: 65 V/µs
增益帶寬積: 70MHz
電流 - 輸入偏壓: 18µA
電壓 - 輸入偏移: 3000µV
電流 - 電源: 14.8mA
電流 - 輸出 / 通道: 85mA
電壓 - 電源,單路/雙路(±): 2.375 V ~ 12.6 V,±1.188 V ~ 6.3 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 8-WFDFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 8-DFN-EP(3x3)
包裝: 帶卷 (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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