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TS912A Schematic ( PDF Datasheet ) - STMicroelectronics

Teilenummer TS912A
Beschreibung Rail-to-rail CMOS dual operational amplifier
Hersteller STMicroelectronics
Logo STMicroelectronics Logo 




Gesamt 21 Seiten
TS912A Datasheet, Funktion
TS912, TS912A, TS912B
Rail-to-rail CMOS dual operational amplifier
Features
Rail-to-rail input and output voltage ranges
Single (or dual) supply operation
from 2.7 to 16 V
Extremely low input bias current: 1 pA typ.
Low input offset voltage: 2 mV max.
Specified for 600 Ω and 100 Ω loads
Low supply current: 200 μA/amplifier
(VCC = 3 V)
Latch-up immunity
ESD tolerance: 3 kV
Spice macromodel included in this specification
Related products
See TS56x series for better accuracy and
smaller packages
Description
The TS912 device is a rail-to-rail CMOS dual
operational amplifier designed to operate with
a single or dual supply voltage.
The input voltage range Vicm includes the two
supply rails VCC+ and VCC-.
The output reaches VCC- +30 mV, VCC+ -40 mV,
with RL = 10 kΩ and VCC- +300 mV,
VCC+ -400 mV, with RL = 600 Ω.
This product offers a broad supply voltage
operating range from 2.7 to 16 V and a supply
current of only 200 μA/amp. (VCC = 3 V).
Source and sink output current capability is
typically 40 mA (at VCC = 3 V), fixed by an internal
limitation circuit.
Datasheet production data
N
DIP8
(plastic package)
D
SO-8
(plastic micropackage)
Pin connections (top view)
November 2012
This is information on a product in full production.
Doc ID 2325 Rev 7
1/21
www.st.com
21






TS912A Datasheet, Funktion
Electrical characteristics
TS912, TS912A, TS912B
Table 3.
VCC+ = 3 V, VCC- = 0 V, RL, CL connected to VCC/2, Tamb = 25 °C
(unless otherwise specified) (continued)
Symbol
Parameter
Min. Typ.
SR+ Slew rate (AVCL = 1, RL = 10 kΩ, CL = 100 pF, Vi = 1.3 V to 1.7 V)
SR- Slew rate (AVCL = 1, RL = 10 kΩ, CL = 100 pF, Vi = 1.3 V to 1.7 V)
φm Phase margin
0.4
0.3
30
en Equivalent input noise voltage (Rs = 100 Ω, f = 1 kHz)
1. Maximum values include unavoidable inaccuracies of the industrial tests.
30
Max. Unit
V/μs
V/μs
Degrees
nV/Hz
6/21
Doc ID 2325 Rev 7

6 Page









TS912A pdf, datenblatt
Electrical characteristics
Figure 8. Gain and phase vs. frequency
(RL = 10 kΩ)
Gain
Phase
TS912, TS912A, TS912B
Figure 9. Gain bandwidth product vs. supply
voltage (RL = 10 kΩ)
Frequency
Supply voltage
Figure 10. Phase margin vs. supply voltage
(RL = 10 kΩ)
Figure 11. Gain and phase vs. frequency
(RL = 600 Ω)
Gain
Phase
Supply voltage
Frequency
Figure 12. Gain bandwidth product vs. supply Figure 13. Phase margin vs. supply voltage
voltage (RL = 600 Ω)
(RL = 600 Ω)
12/21
Supply voltage
Doc ID 2325 Rev 7
Supply voltage

12 Page





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