参数资料
型号: LTC6405CUD#PBF
厂商: Linear Technology
文件页数: 21/26页
文件大小: 0K
描述: IC DIFF AMP/DRIVER R-R 16-QFN
标准包装: 121
类型: ADC 驱动器
应用: 数据采集
安装类型: 表面贴装
封装/外壳: 16-WFQFN 裸露焊盘
供应商设备封装: 16-QFN-EP(3x3)
包装: 管件
产品目录页面: 1323 (CN2011-ZH PDF)
LTC6405
4
6405fb
For more information www.linear.com/6405
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
AVOL
Large-Signal Open Loop Voltage Gain
90
dB
VS
Supply Voltage Range
l
4.5
5.25
V
IS
Supply Current
l
18
23
mA
ISHDN
Supply Current in Shutdown
VSHDN = 0V
l
0.4
1
mA
RSHDN
SHDN Pull-Up Resistor
VSHDN = 0V to 0.5V
l
30
50
70
VIL
SHDN Input Logic Low
l
1.25
1.8
V
VIH
SHDN Input Logic High
l
2
2.55
V
tON
Turn-On Time
200
ns
tOFF
Turn-Off Time
50
ns
ac electrical characteristics The
l
denotes the specifications which apply over the full
operating temperature range, otherwise specifications are at TA = 25°C. V+ = 5V, V= 0V, VCM = VOCM = VICM = 2.5V, VSHDN = open,
RLOAD = 400Ω, circuit component values in Figure 2 used, unless otherwise noted. VS is defined as (V+ – V). VICM is defined as (V+IN
+ V–IN)/2. VOUTDIFF is defined as (V+OUT – V–OUT).
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SR
Slew Rate
Differential Output
690
V/S
GBW
Gain-Bandwidth Product
fTEST = 27MHz
2.7
GHz
f–3dB
–3dB Frequency (See Figure 2)
QFN Package
MSOP Package
500
400
800
750
MHz
50MHz Distortion
Differential Input, VOUTDIFF = 2VP-P
(Note 13)
VOCM = 2.5V, VS = 5V
2nd Harmonic
3rd Harmonic
l
–80
–64
–53
dBc
VOCM = 2.5V, VS = 5V, RLOAD = 800Ω
2nd Harmonic
3rd Harmonic
–82
–66
dBc
VOCM = 2.5V, VS = 5V, RLOAD = 800Ω,
RI = RF = 499Ω
2nd Harmonic
3rd Harmonic
–82
–64
dBc
50MHz Distortion
Single-Ended Input, VOUTDIFF = 2VP-P
(Note 13)
VOCM = 2.5V, VS = 5V, RLOAD = 800Ω,
RI = RF = 499Ω
2nd Harmonic
3rd Harmonic
–72
–77
dBc
3rd-Order IMD at 49.5MHz, 50.5MHz
VOUTDIFF = 2VP-P Envelope,
RLOAD = 800Ω
–63
dBc
Equivalent OIP3 at 50MHz (Note 11)
RLOAD = 800Ω
35.5
dBm
tS
Settling Time
VOUTDIFF = 2V Step
1% Settling
0.1% Settling
6
11
ns
NF
Noise Figure at 50MHz
Shunt-Terminated to 50Ω, RS = 50Ω
ZIN = 200Ω (RI = 100Ω, RF = 300Ω)
14.4
7.5
dB
Dc electrical characteristics The
l
denotes the specifications which apply over the full
operating temperature range, otherwise specifications are at TA = 25°C. V+ = 5V, V= 0V, VCM = VOCM = VICM = 2.5V, VSHDN = open,
circuit component values in Figure 1 used, unless otherwise noted. VS is defined as (V+ – V). VOUTCM is defined as (V+OUT + V–OUT)/2.
VICM is defined as (V+IN + V–IN)/2. VOUTDIFF is defined as (V+OUT – V–OUT).
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