参数资料
型号: LT6402CUD-20#TRPBF
厂商: Linear Technology
文件页数: 15/16页
文件大小: 0K
描述: IC DIFF AMP/ADC DRVR 16-QFN
标准包装: 2,500
放大器类型: 差分
电路数: 2
输出类型: 差分
转换速率: 400 V/µs
-3db带宽: 300MHz
电流 - 输入偏压: 5µA
电压 - 输入偏移: 1000µV
电流 - 电源: 30mA
电流 - 输出 / 通道: 35mA
电压 - 电源,单路/双路(±): 4 V ~ 5.5 V,±2 V ~ 2.5 V
工作温度: 0°C ~ 70°C
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)
LT6402-20
8
640220fa
OUTPUT
VOLTAGE
(V)
1.8
3.0
3.2
3.4
TIME (10ns/DIV)
64022 G24
1.4
2.6
2.2
1.6
2.8
1.2
2.4
2.0
RLOAD = 100 PER OUTPUT
OUTPUT
VOLTAGE
(V)
2.5
3.0
3.5
TIME (25ns/DIV)
64022 G25
1.5
0
4.0
2.0
1.0
0.5
RLOAD = 100 PER OUTPUT
+OUT
–OUT
OUTPUT COMMON MODE VOLTAGE (V)
1
1.2
–90
DISTORTION
(dBc)
–86
–80
1.4
1.8
2.0
64022 G26
–88
–82
–84
1.6
2.2
2.4
FILTERED OUTPUTS, NO RLOAD
VOUT = 20MHz 2VP-P
HD3
HD2
OUTPUT
VOLTAGE
(V)
1.5
2.0
2.5
TIME (125ns/DIV)
64022 G27
1.0
0.5
0
5V
0V
3.0
3.5
4.0
RLOAD = 1009
PER OUTPUT
+OUT
–OUT
ENABLE
+OUT
–OUT
OUTPUT
VOLTAGE
(V)
1.5
2.0
2.5
TIME (250ns/DIV)
64022 G28
1.0
0.5
0
5V
0V
3.0
3.5
4.0
RLOAD = 1009
PER OUTPUT
ENABLE
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
10
20
30
40
64022 G29
–120
–110
–100
–80
–60
–40
–20
–90
–70
–50
–30
–10
0
515
25
35
8192 POINT FFT
fIN = 10MHz, –1dBFS
FILTERED OUTPUTS
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
10
20
30
40
64022 G30
–120
–110
–100
–80
–60
–40
–20
–90
–70
–50
–30
–10
0
515
25
35
8192 POINT FFT
fIN = 20MHz, –1dBFS
FILTERED OUTPUTS
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
10
20
30
40
64022 G31
–120
–110
–100
–80
–60
–40
–20
–90
–70
–50
–30
–10
0
515
25
35
8192 POINT FFT
fIN = 25MHz, –1dBFS
FILTERED OUTPUTS
FREQUENCY (MHz)
0
–140
AMPLITUDE
(dBFS)
–120
–100
–80
0
–40
5
10 12.5
–20
–60
–130
–110
–90
–10
–50
–30
–70
2.5
7.5
15 17.5 20 22.5
64022 G32
32768 POINT FFT
TONE 1 AT 19.5MHz, –7dBFS
TONE 2 AT 20.5MHz, –7dBFS
FILTERED OUTPUTS
TYPICAL PERFORMANCE CHARACTERISTICS
Large-Signal Transient Response
Overdrive Recovery Time
Distortion vs Output Common
Mode Voltage LT6402-20 Driving
LTC2249 14-Bit ADC
Turn-On Time
Turn-Off Time
10MHz 8192 Point FFT,
LT6402-20 Driving
LTC2249 14-Bit ADC
20MHz 8192 Point FFT,
LT6402-20 Driving
LTC2249 14-Bit ADC
25MHz 8192 Point FFT,
LT6402-20 Driving
LTC2249 14-Bit ADC
20MHz 2-Tone 32768 Point FFT,
LT6402-20 Driving
LTC2249 14-Bit ADC
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