参数资料
型号: LTC6912IDE-2#PBF
厂商: Linear Technology
文件页数: 5/24页
文件大小: 0K
描述: IC PGA DIGITAL R-R DUAL 12-DFN
标准包装: 91
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: 30MHz
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: -40°C ~ 85°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: 管件
LTC6912
13
6912fa
FREQUENCY (kHz)
GAIN
(dB)
50
40
30
20
10
0
–10
1
100
1000
10000
6912 G01
10
VS = ±5V
VIN = 10mVRMS
GAIN OF 100
GAIN OF 50
GAIN OF 20
GAIN OF 10
GAIN OF 1
GAIN OF 5
GAIN OF 2
FREQUENCY (Hz)
CHANNEL-TO-CHANNEL
GAIN
MA
TCH
(dB)
0.10
0.05
0
–0.05
–0.10
–0.15
–0.20
1
100
1000
10000
6912 G02
10
VS = ±5V
VIN = 10mVRMS
GAIN OF 100
GAIN OF 10
GAIN OF 1
GAIN (V/V)
1
0.1
–3dB
FREQUENCY
(MHz)
1
6
10
100
6912 G03
VIN = 10mVRMS
VS = ±5V
VS = 2.7V
FREQUENCY (kHz)
100
CHANNEL-TO-CHANNEL
ISOLA
TION
(dB)
125
120
115
110
105
100
95
90
85
80
1000
6912 G04
GAIN OF 100
GAIN OF 10
GAIN OF 1
FREQUENCY (kHz)
REJECTION
(dB)
90
80
70
60
50
40
30
20
10
0
1
100
1000
10000
6912 G05
6912 G06
10
VS = ±5V
VOUT = 1VRMS
VS = 5V
GAIN = 1
+SUPPLY
–SUPPLY
FREQUENCY (kHz)
0
THD-AMPLITUDE
BELOW
FUNDAMENT
AL
(dB)
–30
–40
–50
–60
–70
–80
–90
50
100
150
200
6912 G08
6912 G09
6912 G07
FREQUENCY (kHz)
0
THD-AMPLITUDE
BELOW
FUNDAMENT
AL
(dB)
150
50
100
200
–50
–55
–60
–65
–70
–75
–80
–85
–90
GAIN OF 100
GAIN OF 10
GAIN OF 1
RL = 500
VS = ±2.5V
VOUT = 1VRMS (2.83)VP-P
GAIN OF 100
GAIN OF 10
GAIN OF 1
RL = 10k
VS = ±2.5V
VOUT = 1VRMS (2.83)VP-P
INPUT VOLTAGE (VP-P)
THD
PLUS
NOISE
(dB)
–30
–40
–50
–60
–70
–80
–90
–100
0.001
0.1
1
10
0.01
VS = ±5V
RL = 10k
fIN = 1kHz
BW = 22kHz
GAIN OF 100
GAIN
OF 10
GAIN OF 1
FREQUENCY (kHz)
1
VOL
TAGE
NOISE
DENSITY
(nV/√HZ)
10
100
10
100
VS = ±2.5V
TA = 25°C
INPUT REFERRED
GAIN OF 100
GAIN OF 10
GAIN OF 1
TYPICAL PERFOR A CE CHARACTERISTICS
UW
LTC6912-1 Frequency Response
LTC6912-1 Channel Gain
Matching vs Frequency
LTC6912-1 –3dB Bandwidth vs
Gain Setting
LTC6912-1 Channel Isolation vs
Frequency
LTC6912-1 Power Supply
Rejection vs Frequency
LTC6912-1 Noise Density vs
Frequency
LTC6912-1 Distortion vs
Frequency with Light Loading
LTC6912-1 Distortion vs
Frequency with Heavy Loading
LTC6912-1 THD Plus Noise vs
Input Voltage
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