LT6402CUD-20#PBF Linear Technology, LT6402CUD-20#PBF Datasheet - Page 8
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LT6402CUD-20#PBF
Manufacturer Part Number
LT6402CUD-20#PBF
Description
IC DIFF AMP/ADC DRVR 16-QFN
Manufacturer
Linear Technology
Datasheet
1.LT6402CUD-20PBF.pdf
(16 pages)
Specifications of LT6402CUD-20#PBF
Amplifier Type
Differential
Number Of Circuits
2
Output Type
Differential
Slew Rate
400 V/µs
-3db Bandwidth
300MHz
Current - Input Bias
5µA
Voltage - Input Offset
1000µV
Current - Supply
30mA
Current - Output / Channel
35mA
Voltage - Supply, Single/dual (±)
4 V ~ 5.5 V, ±2 V ~ 2.5 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
16-WQFN Exposed Pad
No. Of Amplifiers
1
Input Offset Voltage
6.5mV
Gain Db Max
20dB
Bandwidth
300MHz
Supply Voltage Range
4V To 5.5V
Supply Current
30mA
Amplifier Case Style
QFN
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Gain Bandwidth Product
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
LT6402-20
TYPICAL PERFORMANCE CHARACTERISTICS
8
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
2.2
2.0
3.5
3.0
2.0
1.5
1.0
3.4
3.2
3.0
2.8
2.6
2.4
1.8
1.6
1.4
1.2
4.0
2.5
0.5
0
0
0
20MHz 8192 Point FFT,
LT6402-20 Driving
LTC2249 14-Bit ADC
Large-Signal Transient Response
Turn-On Time
R
R
PER OUTPUT
LOAD
LOAD
ENABLE
5
= 100Ω PER OUTPUT
= 100
10
FREQUENCY (MHz)
TIME (125ns/DIV)
TIME (10ns/DIV)
15
20
8192 POINT FFT
f
FILTERED OUTPUTS
IN
25
= 20MHz, –1dBFS
+OUT
–OUT
30
35
64022 G24
64022 G27
64022 G30
40
0V
5V
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
3.5
3.0
2.5
2.0
1.5
1.0
0.5
2.0
1.0
4.0
4.0
3.5
3.0
2.5
1.5
0.5
0
0
0
0
Overdrive Recovery Time
Turn-Off Time
25MHz 8192 Point FFT,
LT6402-20 Driving
LTC2249 14-Bit ADC
8192 POINT FFT
f
FILTERED OUTPUTS
R
R
PER OUTPUT
IN
LOAD
LOAD
= 25MHz, –1dBFS
5
= 100Ω PER OUTPUT
= 100
10
+OUT
–OUT
FREQUENCY (MHz)
TIME (250ns/DIV)
TIME (25ns/DIV)
15
+OUT
–OUT
20
ENABLE
25
30
35
64022 G25
64022 G31
64022 G28
40
5V
0V
–100
–110
–120
–130
–140
–100
–110
–120
–60
–70
–80
–90
–80
–82
–84
–86
–88
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
0
0
0
Distortion vs Output Common
Mode Voltage LT6402-20 Driving
LTC2249 14-Bit ADC
1
10MHz 8192 Point FFT,
LT6402-20 Driving
LTC2249 14-Bit ADC
0
20MHz 2-Tone 32768 Point FFT,
LT6402-20 Driving
LTC2249 14-Bit ADC
FILTERED OUTPUTS, NO R
V
32768 POINT FFT
TONE 1 AT 19.5MHz, –7dBFS
TONE 2 AT 20.5MHz, –7dBFS
FILTERED OUTPUTS
OUT
OUTPUT COMMON MODE VOLTAGE (V)
2.5
1.2
5
= 20MHz 2V
5
10
1.4
FREQUENCY (MHz)
FREQUENCY (MHz)
7.5
15
P-P
1.6
10 12.5
HD3
HD2
20
1.8
8192 POINT FFT
f
FILTERED OUTPUTS
IN
LOAD
25
= 10MHz, –1dBFS
15 17.5 20 22.5
2.0
30
2.2
35
64022 G32
64022 G29
640220fa
64022 G26
2.4
40