参数资料
型号: LTC6405IUD#TRPBF
厂商: Linear Technology
文件页数: 20/26页
文件大小: 0K
描述: IC DIFF AMP/DRIVER R-R 16-QFN
标准包装: 2,500
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: 带卷 (TR)
LTC6405
3
6405fb
For more information www.linear.com/6405
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOSDIFF
Differential Offset Voltage (Input Referred)
VICM = 5V (Note 12)
VICM = 2.5V
VICM = 0V (Note 12)
l
±1
±0.5
±1
±7
±3.5
±7
mV
VOSDIFF/T
Differential Offset Voltage Drift (Input Referred)
VICM = 5V (Note 12)
VICM = 2.5V
VICM = 0V (Note 12)
l
1.5
1
3
V/°C
IB
Input Bias Current (Note 6)
VICM = 5V
VICM = 2.5V
VICM = 0V
l
–24
8
–7
–14
A
IOS
Input Offset Current (Note 6)
VICM = 5V
VICM = 2.5V
VICM = 0V
l
±0.5
±4
A
RIN
Input Resistance
Common Mode
Differential Mode
230
3.5
CIN
Input Capacitance
Differential
1
pF
en
Differential Input Referred Noise Voltage Density
f = 1MHz, Not Including RI/RF
Noise
1.6
nV/√Hz
in
Input Noise Current Density
f = 1MHz, Not Including RI/RF
Noise
2.4
pA/√Hz
enVOCM
Input Referred Common Mode Output Noise Voltage
Density
f = 1MHz
9.5
nV/√Hz
VICMR (Note 7) Input Signal Common Mode Range
Op-Amp Inputs
l
V
V+
V
CMRRI
(Note 8)
Input Common Mode Rejection Ratio
(Input Referred) VICM/VOSDIFF
VICM from 0V to 5V
l
50
75
dB
CMRRIO
(Note 8)
Output Common Mode Rejection Ratio
(Input Referred) VOCM/VOSDIFF
VOCM from 0.5V to 3.9V
l
50
75
dB
PSRR
(Note 9)
Differential Power Supply Rejection
(VS/VOSDIFF)
VS = 4.5V to 5.25V
l
50
75
dB
PSRRCM
(Note 9)
Output Common Mode Power Supply Rejection
(VS/VOSCM)
VS = 4.5V to 5.25V
l
55
70
dB
GCM
Common Mode Gain (VOUTCM/VOCM)
VOCM from 0.5V to 3.9V
l
1
V/V
GCM
Common Mode Gain Error 100 (GCM – 1)
VOCM from 0.5V to 3.9V
l
±0.25
±0.8
%
BAL
Output Balance (VOUTCM/VOUTDIFF)
VOUTDIFF = 2V
Single-Ended Input
Differential Input
l
–60
–65
–40
dB
VOSCM
Common Mode Offset Voltage (VOUTCM – VOCM)
l
±6
±15
mV
VOSCM/T
Common Mode Offset Voltage Drift
l
20
V/°C
VOUTCMR
(Note 7)
Output Signal Common Mode Range
(Voltage Range for the VOCM Pin)
l
0.5
3.9
V
RINVOCM
Input Resistance, VOCM Pin
l
13
19
25
VOCM
Self-Biased Voltage at the VOCM Pin
VOCM = Open
l
2.35
2.5
2.65
V
VOUT
Output Voltage, High, +OUT/–OUT Pins
IL = 0
IL = –5mA
l
3.9
3.85
4
3.95
V
Output Voltage, Low, +OUT/–OUT Pins
IL = 0
IL = 5mA
l
0.3
0.42
0.45
0.54
V
ISC
Output Short-Circuit Current, +OUT/–OUT Pins
(Note 10)
l
±40
±60
mA
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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