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PDF TS1874A Data sheet ( Hoja de datos )
| Número de pieza | TS1874A | |
| Descripción | low power operational amplifiers | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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TS187x, TS187xA
1.8 V input/output, rail-to-rail, low power operational amplifiers
Features
■ Operating range from VCC = 1.8 to 6 V
■ Rail-to-rail input and output
■ Extended Vicm (VCC- - 0.2 V to VCC+ + 0.2 V)
■ Low supply current (400 µA)
■ Gain bandwidth product (1.6 MHz)
■ High unity gain stability
■ ESD tolerance (2 kV)
■ Latch-up immunity
■ Available in SOT23-5 micropackage
Applications
■ Battery-powered applications (toys)
■ Portable communication devices (cell phones)
■ Audio drivers (headphone drivers)
■ Laptop/notebook computers
Description
The TS187x (single, dual and quad) can operate
with voltages as low as 1.8 V. They feature both
input and output rail-to-rail.
The common-mode input voltage extends 200 mV
beyond the supply voltages at 25°C, while the
output voltage swing is within 100 mV of each rail
with a 600 Ω load resistor. The devices consume
typically 400 µA per channel while offering
1.6 MHz of gain bandwidth product. The
amplifiers provide a high output drive capability at
typically 65 mA loads.
These features make the TS187x family ideal for
sensor interface, battery supplied and portable
applications.
TS1871ILT
Out 1
5 VCC+
VCC- 2
In+ 3
4 In-
TS1871ID/IDT
N.C. 1
In- 2
In+ 3
VCC- 4
_
+
8 N.C.
7 VCC+
6 Out
5 N.C.
TS1872ID/IDT-TS1872IST-TS1872IPT
Out1 1
In1- 2
In1+ 3
VCC- 4
_
+
8 VCC+
7 Out2
_ 6 In2-
+ 5 In2+
TS1874ID/IDT-TS1874IPT
Out1 1
In1- 2
In1+ 3
VCC+ 4
In2+ 5
In2- 6
Out2 7
_
+
+
_
14 Out4
_ 13 In4-
+ 12 In4+
11 VCC-
+ 10 In3+
_ 9 In3-
8 Out3
Table 1. Device summary
Reference
Single
version
Dual
version
TS187x
TS187xA
TS1871
TS1871A
TS1872
TS1872A
Quad
version
TS1874
TS1874A
March 2010
Doc ID 6992 Rev 5
www.bdtic.com/ST
1/25
www.st.com
25
1 page  
TS187x, TS187xA
2 Electrical characteristics
Electrical characteristics
Table 4.
Symbol
Electrical characteristics measured at VCC+ = +1.8 V with VCC- = 0 V, CL and RL connected to
VCC/2, and Tamb = 25°C (unless otherwise specified)(1)
Parameter
Conditions
Min. Typ. Max. Unit
Vio
ΔVio
Iio
Iib
CMR
Avd
VOH
VOL
Io
ICC
GBP
SR
φm
en
THD
Input offset voltage
Input offset voltage drift
Input offset current
Input bias current
Common mode rejection ratio
20 log (ΔVic/ΔVio)
Large signal voltage gain
High level output voltage
Low level output voltage
Output source current
Output sink current
Supply current (per amplifier)
Gain bandwidth product
Slew rate
Phase margin
Input voltage noise
Total harmonic distortion
Vicm = Vout = VCC/2
TS1871A/2A/4A
Tmin ≤ Tamb ≤ Tmax
TS1871/2/4
Tmin ≤ Tamb ≤ Tmax
Vicm = Vout = VCC/2 (2)
Tmin ≤ Tamb ≤ Tmax
Vicm = Vout = VCC/2(2)
Tmin ≤ Tamb ≤ Tmax
0 ≤ Vicm ≤ VCC, Vout = VCC/2
Tmin ≤ Tamb ≤ Tmax
Vout = 0.5 to 1.3 V
RL = 2 kΩ
RL = 600 Ω
Vid = 100 mV
RL = 2 kΩ
RL = 600 Ω
Tmin ≤ Tamb ≤ Tmax, RL = 2 kΩ
Tmin ≤ Tamb ≤ Tmax, RL = 600 Ω
Vid = -100 mV
RL = 2 kΩ
RL = 600 Ω
Tmin ≤ Tamb ≤ Tmax, RL = 2 kΩ
Tmin ≤ Tamb ≤ Tmax, RL = 600 Ω
Vid = 100 mV, VO = VCC-
Vid = -100 mV, VO = VCC+
Vout = VCC/2
AVCL = 1, no load
Tmin ≤ Tamb ≤ Tmax
RL = 10 kΩ, CL = 100 pF, f = 100 kHz
RL = 10 kΩ, CL = 100 pF, AV = 1
CL = 100 pF
f = 1 kHz
1
1.5
0.1 3
6
mV
2 µV/°C
3 30
60
nA
40 125
150
nA
55 77
52
dB
77 91
70 84
dB
1.65 1.77
1.62 1.74
1.65
1.62
V
30 100
46 150
100
150
20 58
20 68
mV
mA
400 560
600
µA
0.9 1.6
MHz
0.38 0.54
V/µs
53 Degrees
27 nV/√Hz
0.01 %
1. All parameter limits at temperatures different from 25°C are guaranteed by correlation.
2. Maximum values include unavoidable inaccuracies of the industrial tests.
Doc ID 6992 Rev 5
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5 Page 
TS187x, TS187xA
Electrical characteristics
Figure 19. Output current vs. temperature
at Vcc = 1.8 V
100
Isink
50
Vcc = 1.8V
Vid = 1V
0
Isource
-50
Figure 20. Output current vs. temperature
at Vcc = 3 V
100
Isink
50
Vcc = 3V
Vid = 1V
0
Isource
-50
-100
-40 -20 0 20 40 60 80 100 120 140
Temperature (°C)
-100
-40 -20 0 20 40 60 80 100 120 140
Temperature (°C)
Figure 21. Output current vs. temperature
at Vcc = 5 V
100
Isink
50
Vcc = 5V
Vid = 1V
0
Isource
-50
-100
-40 -20 0
20 40 60 80 100 120 140
Temperature (°C)
Figure 22. Output current vs. output voltage
at Vcc = 1.8 V
100
T = -40 °C
T = 25 °C
50
T = 125 °C
sink
0
T = -40 °C
Vcc = 1.8V
Vid = 0.1V
Vicm = 0.9V
-50 T = 125 °C
T = 25 °C
source
-100
0.0
0.5 1.0 1.5
Output voltage (V)
2.0
Figure 23. Output current vs. output voltage
at Vcc = 3 V
100
T = -40 °C
T = 25 °C
50
T = 125 °C
sink
0
T = 125 °C
Vcc = 3V
Vid = 0.1V
Vicm = 1.5V
-50 T = 25 °C
Figure 24. Output current vs. output voltage
at Vcc = 5 V
100
T = -40 °C
50
T = 125 °C
sink T = 25 °C
0
T = 125 °C
Vcc = 5V
Vid = 0.1V
Vicm = 2.5V
-50 T = 25 °C
T = -40 °C
-100
0.0 0.5 1.0 1.5 2.0 2.5
Output voltage (V)
source
3.0 3.5
T = -40 °C
-100
0.0
1.0
2.0 3.0
Output voltage (V)
source
4.0 5.0
Doc ID 6992 Rev 5
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| Páginas | Total 25 Páginas | |
| PDF Descargar | [ Datasheet TS1874A.PDF ] | |
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