参数资料
型号: LTC6912CDE-1#TRPBF
厂商: Linear Technology
文件页数: 7/24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
15
6912fa
FREQUENCY (kHz)
1
REJECTION
(dB)
100
10000
90
80
70
60
50
40
30
20
10
0
6912 G18
10
1000
FREQUENCY (kHz)
1
VOLTAGE
NOI
S
E
DEN
S
ITY
(
n
V/Hz)
10
100
10
100
6912 G19
FREQUENCY (kHz)
0
THD
(AMPLITUDE
BELOW
FUNDAMENTAL)
(dB)
150
6912 G20
50
100
200
–50
–55
–60
–65
–70
–75
–80
–85
–90
FREQUENCY (kHz)
0
THD
(AMPLITUDE
BELOW
FUNDAMENTAL)
(dB)
–30
–40
–50
–60
–70
–80
–90
–30
–40
–50
–60
–70
–80
–90
–100
50
100
150
200
6912 G21
INPUT VOLTAGE (VP-P)
THD
+
NOI
S
E
(dB)
0.001
0.1
1
10
6912 G22
0.01
TEMPERATURE (°C)
–50
800
700
600
500
400
300
200
100
25
75
6912 G23
–25
0
50
100
125
TEMPERATURE (°C)
–50
25
75
–25
0
50
100
125
TOTAL
S
UPPLY
CURRENT
(A)
TEMPERATURE (°C)
–50
TOTAL
S
UPPLY
CURRENT
(mA)
6.0
5.5
5.0
4.5
4.0
3.5
3.0
25
75
6912 G24
–25
0
50
100
125
GAIN
CHANGE
(dB)
TOTAL
S
UPPLY
CURRENT
(A)
6912 G25
TEMPERATURE (°C)
–50
25
75
–25
0
50
100
125
6912 G22A
0.100
0.075
0.050
0.025
0
–0.025
–0.050
–0.075
–0.100
–0.125
–0.150
–0.175
–0.200
+SUPPLY
–SUPPLY
VS = 5V
GAIN = 1
VS = 5V
RL = 10k
GAIN = 1
GAIN = 8
GAIN = 64
GAIN = 1
GAIN = 8
GAIN = 64
GAIN = 1
GAIN = 8
GAIN = 64
GAIN = 1
GAIN = 8
GAIN = 64
GAIN = 1
GAIN = 8
GAIN = 64
VS = ±2.5V
TA = 25°C
INPUT REFERRED
VS = 5V
RL = 10k
fIN = 1kHz
VS = ±2.5V
VOUT = 1VRMS (2.83VP-P)
VS = ±2.5V
VOUT = 1VRMS (2.83VP-P)
VS = 5V
VS = 2.7V
BOTH AMPLIFIERS
PROGRAMMED TO STATE = 8
RL = 10k
VS = ±5V
VS = 5V
VS = 2.7V
BOTH AMPLIFIERS
ACTIVE : GAIN = 1
RL = 10k
10
1
0.1
HARDWARE SHUTDOWN (GN-16 ONLY)
VS = ±5V
VS = 5V
VS = 3V
VS = 2.7V
LTC6912-2 Power Supply
Rejection vs Frequency
LTC6912-2 Noise Density vs
Frequency
LTC6912-2 Distortion vs
Frequency with Light Loading
(RL = 10k)
LTC6912-2 Distortion vs
Frequency with Heavy Loading
(RL = 500)
LTC6912-2 THD + Noise vs
Input Voltage
LTC6912-2 Software Shutdown
Total Supply Current vs
Temperature
LTC6912-2 Total Supply Current
vs Temperature (Both Amplifiers
Active)
LTC6912-2 Gain Shift vs
Temperature (Light Load)
TYPICAL PERFOR A CE CHARACTERISTICS
UW
LTC6912-2 Hardware Shutdown
Total Supply Current vs
Temperature
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