TLE2142-Q1 Automotive Dual Low-Noise High-Speed Precision Operational Amplifier | TI.com

TLE2142-Q1 (ACTIVE)

Automotive Dual Low-Noise High-Speed Precision Operational Amplifier

Automotive Dual Low-Noise High-Speed Precision Operational Amplifier - TLE2142-Q1
 

Description

The TLE2142 device is a high-performance, internally compensated operational amplifier built using the Texas Instruments complementary bipolar Excalibur™ process. It is a pin-compatible upgrade to standard industry products.

The design incorporates an input stage that simultaneously achieves low audio-band noise of 10.5 nV/Hz with a 10-Hz 1/f corner and symmetrical 40-V/µs slew rate typically with loads up to 800 pF. The resulting low distortion and high power bandwidth are important in high-fidelity audio applications. A fast settling time of 340 ns to 0.1% of a 10-V step with a 2-k/100-pF load is useful in fast actuator/positioning drivers. Under similar test conditions, settling time to 0.01% is 400 ns.

The device is stable with capacitive loads up to 10 nF, although the 6-MHz bandwidth decreases to 1.8 MHz at this high loading level. As such, the TLE2142 is useful for low-droop sample-and-holds and direct buffering of long cables, including 4-mA to 20-mA current loops.

The special design also exhibits an improved insensitivity to inherent integrated circuit component mismatches as is evidenced by a 500-µV maximum offset voltage and 1.7-µV/°C typical drift. Minimum common-mode rejection ratio and supply-voltage rejection ratio are
85 dB and 90 dB, respectively.

Device performance is relatively independent of supply voltage over the ±2-V to ±22-V range. Inputs can operate between VCC– – 0.3 V to VCC+ – 1.8 V without inducing phase reversal, although excessive input current may flow out of each input exceeding the lower common-mode input range. The all-npn output stage provides a nearly rail-to-rail output swing of
VCC– + 0.1 V to VCC+ – 1 V under light current-loading conditions. The device can sustain shorts to either supply, because output current is internally limited, but care must be taken to ensure that maximum package power dissipation is not exceeded.

The TLE2142 can also be used as a comparator. Differential inputs of VCC± can be maintained without damage to the device. Open-loop propagation delay with TTL supply levels is typically 200 ns. This gives a good indication as to output stage saturation recovery when the device is driven beyond the limits of recommended output swing.

The TLE2142 device is available in industry-standard 8-pin small-outline (D) packages. The device is characterized for operation from –40°C to 125°C.

Features

  • Qualified for Automotive Applications
  • Low Noise
    • 10 Hz: 15 nV/Hz
    • 1 kHz: 10.5 nV/Hz
  • 10000-pF Load Capability
  • 20-mA Short-Circuit Output Current (Min)
  • 27-V/µs Slew Rate (Min)
  • High Gain-Bandwidth Product: 5.9 MHz
  • Single or Split Supply: 4 V to 44 V
  • Fast Settling Time
    • 340 ns to 0.1%
    • 400 ns to 0.01%
  • Large Output Swing:
    VCC– + 0.1 V to VCC+ – 1 V

Excalibur is a trademark of Texas Instruments.

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Parametrics Compare all products in General-Purpose Op Amps

 
Number of Channels (#)
Total Supply Voltage (Min) (+5V=5, +/-5V=10)
Total Supply Voltage (Max) (+5V=5, +/-5V=10)
GBW (Typ) (MHz)
Slew Rate (Typ) (V/us)
Rail-to-Rail
Vos (Offset Voltage @ 25C) (Max) (mV)
Iq per channel (Typ) (mA)
Vn at 1kHz (Typ) (nV/rtHz)
Rating
Operating Temperature Range (C)
Package Group
Package Size: mm2:W x L (PKG)
Offset Drift (Typ) (uV/C)
Features
Input Bias Current (Max) (pA)
CMRR (Typ) (dB)
Output Current (Typ) (mA)
Architecture
TLE2142-Q1 TLE2141 TLE2141-EP TLE2141-Q1 TLE2142 TLE2142M TLE2144
2     1     1     1     2     2     4    
4     4     4     4     4     4     4    
44     44     44     44     44     44     44    
6     6     6     6     6     6     6    
45     45     45     45     45     45     45    
In to V-     In to V-     In to V-     In to V-     In to V-     In to V-     In to V-    
1.2     0.9     0.9     0.9     1.2     1.2     2.4    
3.45     3.5     3.5     3.5     3.45     3.3     3.45    
10.5     10.5     10.5     10.5     10.5     10.5     10.5    
Automotive     Catalog     HiRel Enhanced Product     Automotive     Catalog     Military     Catalog    
-40 to 125     -55 to 125     -55 to 125     -40 to 125     -40 to 105
0 to 70    
-55 to 125     -40 to 85
0 to 70    
SOIC     PDIP
SOIC    
SOIC     SOIC     PDIP
SOIC
TSSOP    
CDIP
CFP
LCCC    
PDIP
SOIC    
8SOIC: 29 mm2: 6 x 4.9(SOIC)     See datasheet (PDIP)
8SOIC: 29 mm2: 6 x 4.9(SOIC)    
8SOIC: 29 mm2: 6 x 4.9(SOIC)     8SOIC: 29 mm2: 6 x 4.9(SOIC)     See datasheet (PDIP)
8SOIC: 29 mm2: 6 x 4.9(SOIC)
16TSSOP: 32 mm2: 6.4 x 5(TSSOP)    
See datasheet (CDIP)
See datasheet (CFP)
20LCCC: 79 mm2: 8.89 x 8.89(LCCC)    
See datasheet (PDIP)
16SOIC: 106 mm2: 10.3 x 10.3(SOIC)    
1.7     1.7     1.7     1.7     1.7     1.7     1.7    
High Cload Drive     N/A     High Cload Drive     High Cload Drive     High Cload Drive     High Cload Drive     High Cload Drive    
1500000     1500000     1500000     1500000     1500000     1500000     1500000    
108     108     108     108     108     108     108    
31     31     31     31     31     31     31    
Bipolar     Bipolar     Bipolar     Bipolar     Bipolar     Bipolar     Bipolar