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Número de pieza | TS1854A | |
Descripción | 1.8V INPUT/OUTPUT RAIL TO RAIL LOW POWER OPERATIONAL AMPLIFIERS | |
Fabricantes | STMicroelectronics | |
Logotipo | ||
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No Preview Available ! TS185x, TS185xA
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 (120 μA)
■ Good accuracy (1 mV max for A version)
■ Gain bandwidth product (530 kHz)
■ High unity gain stability (able to drive 500 pF)
■ ESD tolerance (2 kV)
■ Latch-up immunity
■ Available in SOT23-5 micropackage
Applications
■ Two-cell battery-powered systems
■ Battery-powered electronic equipment
■ Cordless phones
■ Cellular phones
■ Laptops
■ PDAs
Description
The TS185x (single, dual and quad) can operate
with voltages as low as 1.8 V. They feature both
input and output rail-to-rail (1.71 at VCC = 1.8 V,
RL = 2 kΩ), 120 μA current consumption and
530 kHz gain bandwidth product.
With this low consumption and a sufficient GBP
for many applications, these operational
amplifiers are well-suited to all kinds of battery
supplied and portable applications.
The TS1851 is housed in the space-saving 5-pin
SOT23-5 package, which simplifies board design
(outside dimensions are 2.8 mm x 2.9 mm).
Pin connections (top view)
TS1851ILT
Out 1
VCC- 2
In+ 3
5 VCC+
4 In-
TS1851ID/IDT
N.C. 1
In- 2
In+ 3
VCC- 4
_
+
8 N.C.
7 VCC+
6 Out
5 N.C.
TS1852ID/IDT-TS1852IST-TS1852IPT
Out1 1
In1- 2
In1+ 3
VCC- 4
_
+
8 VCC+
7 Out2
_ 6 In2-
+ 5 In2+
TS1854ID/IDT-TS1854IPT
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
TS185x
TS185xA
TS1851
TS1851A
TS1852
TS1852A
Quad
version
TS1854
TS1854A
March 2010
Doc ID 6991 Rev 4
1/24
www.st.com
24
1 page TS185x, TS185xA
2 Electrical characteristics
Electrical characteristics
Table 4.
Symbol
Electrical characteristics measured at VCC+ = +1.8 V, VCC- = 0 V, with CL and RL connected to
VCC/2, 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
TS1851/2/4
Tmin ≤ Tamb ≤ Tmax
TS1851A/2A/4A
Tmin ≤ Tamb ≤ Tmax
Vicm = Vout = VCC/2 (2)
Tmin ≤ Tamb ≤ Tmax
Vicm = Vout = VCC/2(2)
Tmin ≤ Tamb ≤ Tmax
0 ≤Vicm ≤VCC
Tmin ≤ Tamb ≤ Tmax
Vout = 0.5 to 1.3 V
RL = 10 kΩ
RL = 2 kΩ
Vid = 100 mV
RL = 10 kΩ
RL = 2 kΩ
Tmin ≤ Tamb ≤ Tmax, RL = 10 kΩ
Tmin ≤ Tamb ≤ Tmax, RL = 2 kΩ
Vid = -100 mV
RL = 10 kΩ
RL = 2 kΩ
Tmin ≤ Tamb ≤ Tmax, RL = 10 kΩ
Tmin ≤ Tamb ≤ Tmax, RL = 2 kΩ
Vid = 100 mV, VO = VCC-at Tamb
at Tmin ≤ Tamb ≤ Tmax
Vid = -100 mV, VO = VCC+, at Tamb
at Tmin ≤ Tamb ≤ Tmax
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
3
0.1 6
1
1.5
2
19
25
10 50
80
55 85
52
mV
μV/°C
nA
nA
dB
80 100
70 100
dB
1.7 1.77
1.65 1.7
1.7
1.65
V
40 70
62 90
100
120
15 29
55
15 46
5
mV
mA
mA
120 170
200
μA
300 530
kHz
0.1 0.18
V/μs
60 Degrees
40 nV/√Hz
0.01 %
1. All parameter limits at temperatures other than 25°C are guaranteed by correlation.
2. Maximum values include unavoidable inaccuracies of the industrial tests.
Doc ID 6991 Rev 4
5/24
5 Page TS185x, TS185xA
Electrical characteristics
Figure 19. High level output voltage vs.
temperature, RL = 2 kΩ
110
RL = 2 kohms
100
Vcc = 5V
90
80 Vcc = 3V
70
60 Vcc = 1.8V
50
40
-40 0 40 80 120
-20 20 60 100 140
Temperature (°C)
Figure 20. Low level output voltage vs.
temperature, RL = 2 kΩ
110
RL = 2 kohms
100
Vcc = 5V
90 Vcc = 3V
80
70 Vcc = 1.8V
60
50
40
-40
-20
0
40 80 120
20 60 100 140
Temperature (°C)
Figure 21. Output current vs. temperature
80 Isink, Vcc = 5V
60 Isink, Vcc = 3V
40 Isink, Vcc = 1.8V
20
0 Isource, Vcc = 1.8V
Vid = 1V
-20 Isource, Vcc = 3V
-40
-60
-40
Isource, Vcc = 5V
0 40 80 120
-20 20 60 100 140
Temperature (°C)
Figure 22. Output current vs. output voltage
at Vcc = 1.8 V
60
50 sink
40
30
T = 25 °C
T = 125 °C
T = -40 °C
20 Vcc = 1.8V
10 Vid = 0.1V
0 Vicm = 0.9V
-10 T = -40 °C
-20 T = 125 °C
-30 T = 25 °C
-40
0.0 1.0
0.5 1.5
Output Voltage (V)
source
2.0
Figure 23. Output current vs. output voltage
at Vcc = 3 V
80
sink
60 T = -40 °C
40
T = 25 °C
T = 125 °C
20 Vcc = 3V
Vid = 0.1V
0 Vicm = 1.5V
-20 T = 125 °C
T = -40 °C
-40
T = 25 °C
-60
0.0
1.0 2.0
0.5 1.5
Output Voltage (V)
source
3.0
2.5
Figure 24. Output current vs. output voltage
at Vcc = 5 V
80
sink
60
40
20
0
-20 T = -40 °C
T = 25 °C
-40
T = 125 °C
-60
0.0
1.0
T = 25 °C
T = 125 °C
Vcc = 5V
Vid = 0.1V
Vicm = 2.5V
T = -40 °C
source
2.0
3.0
Output Voltage (V)
4.0
5.0
Doc ID 6991 Rev 4
11/24
11 Page |
Páginas | Total 24 Páginas | |
PDF Descargar | [ Datasheet TS1854A.PDF ] |
Número de pieza | Descripción | Fabricantes |
TS1854 | 1.8V INPUT/OUTPUT RAIL TO RAIL LOW POWER OPERATIONAL AMPLIFIERS | STMicroelectronics |
TS1854A | 1.8V INPUT/OUTPUT RAIL TO RAIL LOW POWER OPERATIONAL AMPLIFIERS | STMicroelectronics |
TS1854AI | 1.8V INPUT/OUTPUT RAIL TO RAIL LOW POWER OPERATIONAL AMPLIFIERS | STMicroelectronics |
TS1854I | 1.8V INPUT/OUTPUT RAIL TO RAIL LOW POWER OPERATIONAL AMPLIFIERS | STMicroelectronics |
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