lt1783cs6-trpbf Linear Technology Corporation, lt1783cs6-trpbf Datasheet - Page 12

• Manufacturer Part Number: lt1783cs6-trpbf
• Description: 1.25mhz, Over-the-top Micropower, Rail-to-rail Input And Output Op Amp In Sot-23
• Manufacturer: Linear Technology Corporation

APPLICATIO S I FOR ATIO
LT1783
typically 100dB. When the LT1783 switches between
input stages, there is significant nonlinearity in the CMRR.
Lower load resistance increases the output crossover
distortion but has no effect on the input stage transition
distortion. For lowest distortion, the LT1783 should be
operated single supply, with the output always sourcing
current and with the input voltage swing between ground
and (V
istics curves, “Total Harmonic Distortion + Noise vs Out-
put Voltage Amplitude.”
Gain
The open-loop gain is almost independent of load when
the output is sourcing current. This optimizes perfor-
SI PLIFIED
12
W
SHDN
Q26
J1
+
– 0.8V). See the Typical Performance Character-
Q25
Q23
+
10 A
U
SCHE ATIC
Q24
R1
6k
Q5
U
Q1
Q4
W
– IN
+IN
Q6
W
R2
R3
1k
1k
D4
U
D5
Q9
Q7
Q8
D1
Q10
mance in single supply applications where the load is
returned to ground. The typical performance curve of
open-loop gain for various loads shows the details.
Shutdown
The 6-lead part includes a shutdown feature that disables
the part, reducing quiescent current and making the
output high impedance. The part can be shut down by
bringing the SHDN pin 1.2V or more above V
down, the supply current is about 5 A and the output
leakage current is less than 1 A (V
normal operation, the SHDN pin can be tied to V
floating. See the Typical Performance Characteristics
curves, “Supply Current vs Shutdown Voltage.”
Q11
Q2
Q12
Q13
R4
8k
Q14
R5
8k
Q15
D3
Q3
Q16
–
Q17
Q18
V
Q19
OUT
–
. When shut
Q20
Q22
Q21
–
V
1783 SS
or left
+
). In
V
OUT
V
+
–