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PDF TSV612A Data sheet ( Hoja de datos )
| Número de pieza | TSV612A | |
| Descripción | CMOS operational amplifiers | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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TSV611, TSV611A, TSV612, TSV612A
Rail-to-rail input/output 10 µA, 120 kHz
CMOS operational amplifiers
Features
■ Rail-to-rail input and output
■ Low power consumption: 10 µA typ at 5 V
■ Low supply voltage: 1.5 to 5.5 V
■ Gain bandwidth product: 120 kHz typ
■ Unity gain stable
■ Low input offset voltage: 800 µV max (A
version)
■ Low input bias current: 1 pA typ
■ Temperature range: -40 to +85° C
Applications
■ Battery-powered applications
■ Smoke detectors
■ Proximity sensors
■ Portable devices
■ Signal conditioning
■ Active filtering
■ Medical instrumentation
Description
The TSV61x family of single and dual operational
amplifiers offers low voltage, low power operation
and rail-to-rail input and output.
The devices also feature an ultra-low input bias
current as well as a low input offset voltage.
The TSV61x have a gain bandwidth product of
120 kHz while consuming only 10 µA at 5 V.
These features make the TSV61x family ideal for
sensor interfaces, battery supplied and portable
applications, as well as active filtering.
TSV611ILT - TSV611ICT
In+ 1
VCC- 2
In- 3
+_
5 VCC+
4 Out
SOT23-5/SC70-5
TSV612IST - TSV612ID/DT
Out1 1
In1- 2
In1+ 3
VCC- 4
_
+
8 VCC+
7 Out2
_ 6 In2-
+ 5 In2+
MiniSO-8/SO-8
January 2010
Doc ID 15768 Rev 2
1/19
www.st.com
19
1 page  
TSV611, TSV611A, TSV612, TSV612A
Electrical characteristics
Table 4.
Symbol
VCC+ = +3.3 V, VCC- = 0 V, Vicm = VCC/2, Tamb = 25° C,
RL connected to VCC/2 (unless otherwise specified)
Parameter
Min. Typ.
Max.
Unit
DC performance
Vio Offset voltage
DVio Input offset voltage drift
Iio Input offset current
Iib Input bias current
CMR
Common mode rejection
ratio 20 log (ΔVic/ΔVio)
Avd Large signal voltage gain
VOH High level output voltage
VOL Low level output voltage
Isink
Iout
Isource
ICC
Supply current (per
operator)
AC performance
GBP
φm
Gm
Gain bandwidth product
Phase margin
Gain margin
SR Slew rate
en
Equivalent input noise
voltage
1. Guaranteed by design.
TSV61x
TSV61xA
Tmin<Top<Tmax TSV61x
Tmin<Top<TmaxTSV61xA
4
0.8
mV
5
2
2 μV/°C
1 10(1) pA
Tmin. < Top < Tmax.
1 100
1 10(1)
pA
pA
Tmin. < Top < Tmax.
1 100
0 V to 3.3 V, Vout = 1.75 V 61 76
Tmin. < Top < Tmax.
58
RL = 10 kΩ, Vout = 0.5 V to
2.8 V
85
92
pA
dB
dB
dB
Tmin. < Top < Tmax.
RL = 10 kΩ
Tmin. < Top < Tmax.
83
35 5
50
dB
mV
RL = 10 kΩ
Tmin. < Top < Tmax.
Vo = VCC
Tmin. < Top < Tmax.
Vo = 0 V
Tmin. < Top < Tmax.
No load, Vout = VCC/2
Tmin. < Top < Tmax.
10 35
50
37 44
35
32 38
30
6.5 9.5 12.5
6 13
mV
mA
µA
µA
RL = 10 kΩ, CL = 20 pF
RL = 10 kΩ, CL = 20 pF
RL = 10 kΩ, CL = 20 pF,
RL = 10 kΩ, CL = 20 pF, Vout
= 0.5V to 2.8V
f = 1 kHz
110
60
9.5
0.035
110
kHz
Degrees
dB
V/μs
---n---V-----
Hz
Doc ID 15768 Rev 2
5/19
5 Page 
TSV611, TSV611A, TSV612, TSV612A
Application information
In a follower configuration, these operational amplifiers can drive capacitive loads up to
100 pF with no oscillations. When driving larger capacitive loads, adding an in-series
resistor at the output can improve the stability of the devices (see Figure 19 for
recommended in-series resistor values). Once the in-series resistor value has been
selected, the stability of the circuit should be tested on bench and simulated with the
simulation model.
Figure 19. In-series resistor vs. capacitive load
3.5 PCB layouts
For correct operation, it is advised to add 10 nF decoupling capacitors as close as possible
to the power supply pins.
3.6 Macromodel
An accurate macromodel of the TSV61x is available on STMicroelectronics’ web site at
www.st.com. This model is a trade-off between accuracy and complexity (that is, time
simulation) of the TSV61x operational amplifiers. It emulates the nominal performances of a
typical device within the specified operating conditions mentioned in the datasheet. It also
helps to validate a design approach and to select the right operational amplifier, but it does
not replace on-board measurements.
Doc ID 15768 Rev 2
11/19
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet TSV612A.PDF ] | |
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