TLE2141M Datasheet, PDF (2/21 Pages) Texas Instruments – EXCALIBUR LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS

TLE2141M, TLE2141AM
EXCALIBUR LOW-NOISE HIGH-SPEED
PRECISION OPERATIONAL AMPLIFIERS
SGLS059 – NOVEMBER 1990 – REVISED OCTOBER 1991
description (continued)
The devices are 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 TLE2141M and TLE2141AM are useful for low-droop sample and holds
and direct buffering of long cables, including four 20-mA current loops.
The special design also exhibits an improved insensitivity to inherent IC 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 V_{CC –} – 0.3 to V_{CC +} – 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 V_{CC –} + 0.1 to V_{CC +} – 1 V under light current loading conditions. The device
can sustain shorts to either supply since output current is internally limited, but care must be taken to ensure
that maximum package power dissipation is not exceeded.
Both versions can also be used as comparators. Differential inputs of V_{CC ±} 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 overdriven beyond the limits of
recommended output swing.
Both the TLE2141M and TLE2141AM are available in a wide variety of packages, including both the
industry-standard 8-pin small-outline version and chip form for high-density system applications. The M-suffix
is characterized for operation over the full military temperature range of – 55°C to 125°C.
symbol
OFFSET N1
JG PACKAGE
(TOP VIEW)
FK PACKAGE
(TOP VIEW)
IN + +
IN – –
OFFSET N2
OUT ^{OFFSET N1 1}
IN – 2
IN + 3
V_{CC –} 4
8 NC
7 V_{CC +}
6 OUT
5 OFFSET N2
NC
3 2 1 20 19
4
18
NC
IN – ₅
17 ^V_{CC +}
NC 6
16 NC
IN + 7
15 OUT
NC 8
14 NC
9 10 11 12 13
NC – No internal connection
2
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265