LMH5401-SP Radiation Hardness Assured (RHA) 6.5GHz Ultra Wideband Fully Differential Amplifier | TI.com

LMH5401-SP (ACTIVE)

Radiation Hardness Assured (RHA) 6.5GHz Ultra Wideband Fully Differential Amplifier

 

Description

The LMH5401-SP is a very high-performance, radiation hardened, differential amplifier optimized for radio frequency (RF), intermediate frequency (IF), or high-speed, dc-coupled, time-domain applications. The device is ideal for dc- or ac-coupled applications that may require a single-ended-to-differential (SE-DE) conversion when driving an analog-to-digital converter (ADC). The LMH5401-SP generates very low levels of second- and third-order distortion when operating in SE-DE or differential-to-differential (DE-DE) mode.



The amplifier is optimized for use in both SE-DE and DE-DE systems. The device has unprecedented usable bandwidth from dc to 2 GHz. The LMH5401-SP can be used for SE-DE conversions in the signal chain without external baluns in a wide range of applications such as test and measurement, broadband communications, and high-speed data acquisition.

A common-mode reference input pin is provided to align the amplifier output common-mode with the ADC input requirements. Power supplies between 3.3 V and 5 V can be selected and dual-supply operation is supported when required by the application. A power-down feature is also available for power savings.

This level of performance is achieved at a very low power level of 300 mW when a 5-V supply is used. The device is fabricated in Texas Instruments’ advanced complementary BiCMOS process and is available in a space-saving, LCCC-14 package for higher performance.

Features

  • QMLV (QML Class V) MIL-PRF-38535 Qualified, SMD 5962R1721401VXC
    • Radiation Hardness Assurance (RHA) up to 100-krad(Si) Total Ionizing Dose (TID)
    • Single Event Latchup (SEL) Immune to
      LET = 85 MeV-cm2/mg
    • Qualified Over the Military Temperature Range (–55°C to 125°C)
  • Gain Bandwidth Product (GBP): 6.5 GHz
  • Excellent Linearity Performance:
    DC to 2 GHz;
  • Slew Rate: 17,500 V/µs
  • Low HD2, HD3 Distortion
    (500 mVPP, 100 Ω, SE-DE, Gv = 17 dB)(1):
    • 100 MHz: HD2 at –91 dBc, HD3 at –95 dBc
    • 200 MHz: HD2 at –86 dBc, HD3 at –85 dBc
    • 500 MHz: HD2 at –80 dBc, HD3 at –80 dBc
    • 1 GHz: HD2 at –53 dBc, HD3 at –70 dBc
    • 2 GHz: HD2 at –68 dBc, HD3 at –56 dBc
  • Low IMD2, IMD3 Distortion
    (1 VPP, 100 Ω, SE-DE, Gv = 17 dB)(1):
    • 500 MHz: IMD2 at –90 dBc, IMD3 at –79 dBc
    • 1 GHz: IMD2 at –80 dBc, IMD3 at –61 dBc
    • 2 GHz: IMD2 at –64 dBc, IMD3 at –42 dBc
  • High OIP2, OIP3. Gp = 8 dB(1)
    • 500 MHz: OIP2 at 91 dBm, OIP3 at 47.7 dBm
    • 1 GHz: OIP2 at 80 dBm, OIP3 at 37.5 dBm
  • Input Voltage Noise: 1.25 nV/√Hz
  • Input Current Noise: 3.5 pA/√Hz
  • Supports Single- and Dual-Supply Operation
  • Current Consumption: 60 mA
  • Power-Down Feature (1)

(1)Power Gain (Gp) = 8 dB; Voltage Gain (Gv) = 17 dB; RLtotal = 200 Ω. See Output Reference Nodes and Gain Nomenclature section for more details.

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Parametrics Compare all products in High-speed op amps (GBW>=50MHz)

 
Architecture
Number of Channels (#)
Total Supply Voltage (Min) (+5V=5, +/-5V=10)
Total Supply Voltage (Max) (+5V=5, +/-5V=10)
BW @ Acl (MHz)
Acl, min spec gain (V/V)
Slew Rate (Typ) (V/us)
Vn at Flatband (Typ) (nV/rtHz)
Vn at 1kHz (Typ) (nV/rtHz)
Iq per channel (Typ) (mA)
Vos (Offset Voltage @ 25C) (Max) (mV)
Rail-to-Rail
Features
Rating
Operating Temperature Range (C)
Package Group
Package Size: mm2:W x L (PKG)
CMRR (Typ) (dB)
Input Bias Current (Max) (pA)
Offset Drift (Typ) (uV/C)
GBW (Typ) (MHz)
Output Current (Typ) (mA)
2nd Harmonic (dBc)
3rd Harmonic (dBc)
@ MHz
LMH5401-SP THS4511-SP THS4513-SP
Bipolar
Fully Differential
Voltage FB    
Fully Differential
Voltage FB    
Fully Differential
Voltage FB    
1     1     1    
3.15     3.75     3    
5.25     5.25     5.5    
4100     1100     1100    
5     1     1    
17500     5100     5100    
1.25     2     2.2    
3.8     20     27    
60     39.2     37.7    
1.2     4     4    
No     In to V-     No    
Shutdown     Shutdown     Shutdown    
Space     Space     Space    
-55 to 125
25 to 25    
-55 to 125     -55 to 125    
LCCC | 14     CFP | 16     CFP | 16    
14LCCC: 33 mm2: 5.5 x 6 (LCCC | 14)     See datasheet (CFP)     See datasheet (CFP)    
72     80     90    
60000000     15500000     15500000    
0.63     2.3     2.6    
6500     3000     3000    
50     96     96    
91     106     106    
95     108     108    
100     10     10