LTC6404HUD-1#TRPBF Linear Technology, LTC6404HUD-1#TRPBF Datasheet

IC AMP/DRIVER DIFF 16-QFN

LTC6404HUD-1#TRPBF

Manufacturer Part Number
LTC6404HUD-1#TRPBF
Description
IC AMP/DRIVER DIFF 16-QFN
Manufacturer
Linear Technology
Type
ADC Driverr
Datasheet

Specifications of LTC6404HUD-1#TRPBF

Applications
Data Acquisition
Mounting Type
Surface Mount
Package / Case
16-WQFN Exposed Pad
Current - Supply
27.8mA
Operating Temperature
-40°C ~ 125°C
Output Type
Differential, Rail-to-Rail
Number Of Circuits
1
Current - Output / Channel
85mA
Amplifier Type
Differential
Voltage - Supply, Single/dual (±)
2.7 V ~ 5.5 V, ±1.35 V ~ 2.75 V
-3db Bandwidth
600MHz
Slew Rate
450 V/µs
Gain Bandwidth Product
500MHz
Current - Input Bias
23µA
Voltage - Input Offset
500µV
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LTC6404HUD-1#TRPBFLTC6404HUD-1
Manufacturer:
LT
Quantity:
10 000
FEATURES
APPLICATIONS
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
TYPICAL APPLICATION
Fully Differential Input and Output
Low Noise: 1.5nV/√Hz RTI
Very Low Distortion:
Closed-Loop –3dB Bandwidth: 600MHz
Slew Rate: 1200V/μs (LTC6404-4)
Adjustable Output Common Mode Voltage
Rail-to-Rail Output Swing
Input Range Extends to Ground
Large Output Current: 85mA (Typ)
DC Voltage Offset < 2mV (Max)
Low Power Shutdown
Tiny 3mm × 3mm × 0.75mm 16-Pin QFN Package
Differential Input A/D Converter Driver
Single-Ended to Differential Conversion/Amplifi cation
Common Mode Level Translation
Low Voltage, Low Noise, Signal Processing
GENERATOR
LTC6404-1 (2V
LTC6404-2 (2V
LTC6404-4 (2V
SIGNAL
V
S
50Ω
Single-Ended Input to Differential Output
1.5VDC
with Common Mode Level Shifting
0V
0.5V
P-P
P-P
P-P
P-P
71.5Ω
100Ω
, 10MHz): –91dBc
, 10MHz): –96dBc
, 10MHz): –101dBc
130Ω
0.1μF
+
V
OCM
3V
0.1μF
402Ω
402Ω
6404 TA01
1V
1V
P-P
P-P
1.5VDC
1.5VDC
High Precision Fully Differential
Input/Output Amplifi er/Driver
DESCRIPTION
The LTC
low distortion, fully differential input/output amplifi ers
optimized for 3V, single supply operation.
The LTC6404-1 is unity-gain stable. The LTC6404-2 is
designed for closed-loop gains greater than or equal to
2V/V. The LTC6404-4 is designed for closed-loop gains
greater than or equal to 4V/V. The LTC6404 closed-loop
bandwidth extends from DC to 600MHz. In addition to the
normal unfi ltered outputs (OUT
has a built-in 88.5MHz differential single-pole lowpass
fi lter and an additional pair of fi ltered outputs (OUTF
OUTF
make the LTC6404 able to drive state-of-the-art 16-/18-bit
ADCs while operating on the same supply voltage, saving
system cost and power. The LTC6404 is characterized, and
maintains its performance for supplies as low as 2.7V and
can operate on supplies up to 5.25V. It draws only 27.3mA,
and has a hardware shutdown feature which reduces cur-
rent consumption to 250μA.
The LTC6404 family is available in a compact 3mm × 3mm
16-pin leadless QFN package and operates over a –40°C
to 125°C temperature range.
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
). An input referred voltage noise of 1.5nV/√Hz
®
6404 is a family of AC precision, very low noise,
–100
–110
–120
–130
–50
–60
–70
–80
–40
–90
0.1
LTC6404-4 Distortion vs Frequency
600MHz, Low Noise,
V
V
V
R
HD2
HD2
HD3
CM
S
OUT
I
= 100Ω, R
= 3V
= V
DIFFERENTIAL INPUT
SINGLE-ENDED INPUT
= 2V
HD3
OCM
P-P
FREQUENCY (MHz)
= MID-SUPPLY
F
1
= 402Ω
+
10
and OUT
64044 G16
LTC6404
100
), the LTC6404
1
6404f
+
,

Related parts for LTC6404HUD-1#TRPBF

LTC6404HUD-1#TRPBF Summary of contents

Page 1

... The LTC6404 family is available in a compact 3mm × 3mm 16-pin leadless QFN package and operates over a –40°C to 125°C temperature range. L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. 402Ω ...

Page 2

... Specifi ed Temperature Range (Note 5) .. –40°C to 125°C Junction Temperature ........................................... 150°C Storage Temperature Range ................... –65°C to 150°C ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL LTC6404CUD-1#PBF LTC6404CUD-1#TRPBF LTC6404IUD-1#PBF LTC6404IUD-1#TRPBF LTC6404HUD-1#PBF LTC6404HUD-1#TRPBF LTC6404CUD-2#PBF LTC6404CUD-2#TRPBF LTC6404IUD-2#PBF LTC6404IUD-2#TRPBF LTC6404HUD-2#PBF LTC6404HUD-2#TRPBF LTC6404CUD-4#PBF LTC6404CUD-4#TRPBF LTC6404IUD-4#PBF LTC6404IUD-4#TRPBF ...

Page 3

LTC6404 DC ELECTRICAL CHARACTERISTICS the full operating temperature range, otherwise specifi cations are OPEN OPEN 100k (See Figure 1). For the LTC6404-1: R SHDN L BAL R = 200Ω. For the LTC6404-4: ...

Page 4

LTC6404 LTC6404 DC ELECTRICAL CHARACTERISTICS the full operating temperature range, otherwise specifi cations are OPEN OPEN 100k (See Figure 1). For the LTC6404-1: R SHDN L BAL R = 200Ω. For the ...

Page 5

LTC6404 DC ELECTRICAL CHARACTERISTICS the full operating temperature range, otherwise specifi cations are OPEN OPEN 100k (See Figure 1). For the LTC6404-1: R SHDN L BAL R = 200Ω. For the LTC6404-4: ...

Page 6

LTC6404 LTC6404-2 AC ELECTRICAL CHARACTERISTICS over the full operating temperature range, otherwise specifi cations are OPEN 100Ω 200Ω, R SHDN – )/ ...

Page 7

ELECTRICAL CHARACTERISTICS Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. + – Note 2: The ...

Page 8

LTC6404 LTC6404-1 TYPICAL PERFORMANCE CHARACTERISTICS Active Supply Current vs Temperature MID-SUPPLY CM OCM 2. –75 –50 –25 0 ...

Page 9

LTC6404-1 TYPICAL PERFORMANCE CHARACTERISTICS Small-Signal Frequency Response vs Gain Setting Resistor Values and Supply Voltage 100Ω – 200Ω – 499Ω ...

Page 10

LTC6404 LTC6404-1 TYPICAL PERFORMANCE CHARACTERISTICS Distortion vs Output Amplitude – MID-SUPPLY CM OCM – 25° 100Ω – SINGLE-ENDED INPUT IN f ...

Page 11

LTC6404-2 TYPICAL PERFORMANCE CHARACTERISTICS Active Supply Current vs Temperature MID-SUPPLY CM OCM 2. –75 –50 – ...

Page 12

LTC6404 LTC6404-2 TYPICAL PERFORMANCE CHARACTERISTICS Small-Signal Frequency Response vs Gain Setting Resistor Values 100Ω 200Ω 200Ω 402Ω 499Ω ...

Page 13

LTC6404-2 TYPICAL PERFORMANCE CHARACTERISTICS Distortion vs Output Amplitude – MID-SUPPLY CM OCM – 100Ω 200Ω SINGLE-ENDED INPUT IN – 10MHz IN –70 ...

Page 14

LTC6404 LTC6404-4 TYPICAL PERFORMANCE CHARACTERISTICS Active Supply Current vs Temperature MID-SUPPLY CM OCM 2. 100 125 –75 ...

Page 15

LTC6404-4 TYPICAL PERFORMANCE CHARACTERISTICS Small-Signal Frequency Response vs Gain Setting Resistor Values 100Ω 402Ω 140Ω 562Ω 200Ω 800Ω ...

Page 16

LTC6404 LTC6404-4 TYPICAL PERFORMANCE CHARACTERISTICS LTC6404-4 Driving LTC2207 16-Bit ADC (Single Tone OUTDIFF – 100Ω 10.1MHz, 64k POINT FFT –40 f SAMPLE FUNDAMENTAL = –1dBFS –60 HD2 = –98.9dBc HD3 ...

Page 17

PIN FUNCTIONS potential. On the LTC6404-2, the V resistance of approximately 14k. On the LTC6404-4, the V pin has a input resistance of approximately 7k. The OCM V pin should be bypassed with a high quality ceramic OCM bypass capacitor ...

Page 18

LTC6404 APPLICATIONS INFORMATION + V INP – SHDN V 1 SHDN 0.1μ – OCM 0.01μF – V INM + 0.01μF MINI-CIRCUITS TCM4-19 50Ω V SHDN + + V ...

Page 19

APPLICATIONS INFORMATION Functional Description The LTC6404 is a small outline, wide band, low noise, and low distortion fully-differential amplifi er with accurate output phase balancing. The LTC6404 is optimized to drive low voltage, single-supply, differential input 14-bit to 18-bit analog-to-digital ...

Page 20

LTC6404 APPLICATIONS INFORMATION if voltage transients at the input exceed 1.4V. The inputs also have steering diodes to either supply. The turn-on and turn-off time between the shutdown and active states is typically less than 1μs. General Amplifi er Applications ...

Page 21

APPLICATIONS INFORMATION V is defi ned as the average of the two input voltages INCM V , and V (also called the source-referred input com- INP INM mon mode voltage • INCM ...

Page 22

LTC6404 APPLICATIONS INFORMATION According to Figure 4, the input impedance looking into the differential amp (R ) refl ects the single ended source INM case, thus INM ⎛ ⎞ ⎛ ⎞ – ...

Page 23

APPLICATIONS INFORMATION In single supply applications, where the LTC6404 is used to interface to an ADC, the optimal common mode input range to the ADC is often determined by the ADC’s refer- ence. If the ADC makes a reference available ...

Page 24

LTC6404 APPLICATIONS INFORMATION capacitor solution of 12pF from each fi ltered output to ground plus a 12pF capacitor between the fi ltered outputs would also halve the fi lter bandwidth (Figure 8 – – OUT OUTF LTC6404 12pF ...

Page 25

APPLICATIONS INFORMATION 100 TOTAL (AMPLIFIER AND FEEDBACK NETWORK) OUTPUT NOISE 10 FEEDBACK RESISTOR NETWORK NOISE ALONE 1 0.1 10 100 (Ω Figure 10. LTC6404-1 Output Spot Noise vs Spot Noise Contributed by Feedback Network ...

Page 26

LTC6404 APPLICATIONS INFORMATION other external sources of noise from being converted to differential noise due to divider mismatches in the feedback networks also recommended that the resistive feed- back networks be comprised of 1% resistors (or better) to ...

Page 27

... ON THE TOP AND BOTTOM OF PACKAGE Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. settling. 16-bit applications typically require a minimum of 11 R-C time constants ...

Page 28

... S/N with 3V Supply, SO-8 Package 76dB S/N with 3V Supply, SO-8 Package 76dB S/N with 3V Supply, SO-8 Package 10.8mA Supply Current, –95dB Distortion at 3MHz www.linear.com ● , 1MHz: –94dBc, 13mA, Low Noise: 3nV/√Hz P-P 6404f LT 0608 • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2008 ...

Related keywords