参数资料
型号: LTC6912CDE-1#TRPBF
厂商: Linear Technology
文件页数: 2/24页
文件大小: 0K
描述: IC PGA DIGITAL R-R DUAL 12-DFN
标准包装: 2,500
放大器类型: 可编程增益
电路数: 2
输出类型: 满摆幅
转换速率: 26 V/µs
增益带宽积: 33MHz
电压 - 输入偏移: 125µV
电流 - 电源: 2.25mA
电流 - 输出 / 通道: 35mA
电压 - 电源,单路/双路(±): 2.7 V ~ 10.5 V,±2.7 V ~ 5.25 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 12-WFDFN 裸露焊盘
供应商设备封装: 12-DFN-EP(4x3)
包装: 带卷 (TR)
LTC6912
10
6912fa
ELECTRICAL CHARACTERISTICS The denotes the specifications that apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VS = 5V, AGND = 2.5V, Gain = 1, RL = 10k to midsupply point, unless
otherwise noted.
C, I GRADES
H GRADE
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
Specifications for the LTC6912-2 ONLY
Offset Voltage Magnitude
Gain = 1
0.25
3.5
0.25
6.5
mV
Referred to INA or INB Pins
Gain = 8
0.14
2
0.14
4
mV
(Note 8)
Input Offset Voltage Drift,
6
10
V/°C
Internal Op Amp
DC Input Resistance at
DC VINA or VINB = 0V
INA or INB Pins (Note 9)
Gain = 0
>10
M
State = 8, Software Shutdown
>10
M
Gain = 1
10
k
Gain = 2
55
k
Gain = 4
2.5
k
Gain > 4
1.25
k
DC Input Resistance Drift at
Gain = 1
85
95
ppm/
°C
INA or INB Pins (Note 9)
Gain = 2
90
100
ppm/
°C
Gain = 4
95
105
ppm/
°C
Gain = 8
120
130
ppm/
°C
Gain = 16
130
140
ppm/
°C
Gain = 32
140
150
ppm/
°C
Gain = 64
170
180
ppm/
°C
DC Input Resistance Match
Gain = 1
10
RINA-RINB
Gain = 2
55
Gain = 4
55
Gain > 4
55
DC Small Signal Output Resistance
DC VINA or VINB = 0V
at OUT A or OUT B Pins
Gain = 0
0.4
Gain = 1
0.7
Gain = 2
1.0
Gain = 4
1.9
Gain = 8
3.4
Gain = 16
6.4
Gain = 32
15
Gain = 64
30
State = 8, Software Shutdown
>1
M
Gain Bandwidth Product
Gain = 64
17
30
50
15
30
50
MHz
Wideband Noise
f = 1kHz to 200kHz
(Referred to Input)
Gain = 0 (Output Noise Only)
8.1
VRMS
Gain = 1
13.8
VRMS
Gain = 2
9.6
VRMS
Gain = 4
7.5
VRMS
Gain = 8
6.4
VRMS
Gain = 16
6.0
VRMS
Gain = 32
5.8
VRMS
Gain = 64
5.6
VRMS
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