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PDF THS3112 Data sheet ( Hoja de datos )
| Número de pieza | THS3112 | |
| Descripción | LOW-NOISE/ HIGH-SPEED CURRENT FEEDBACK AMPLIFIERS | |
| Fabricantes | Burr-Brown | |
| Logotipo |  |
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THS3112
THS3115
SLOS385 – SEPTEMBER 2001
LOW-NOISE, HIGH-SPEED CURRENT FEEDBACK AMPLIFIERS
FEATURES
D Low Noise
– 2.9 pA/√Hz Noninverting Current Noise
– 10.8 pA/√Hz Inverting Current Noise
– 2.2 nV/√Hz Voltage Noise
D Wide Supply Voltage Range ± 5 V to ± 15 V
D Wide Output Swing
– 25 VPP Output Voltage, RL = 100 Ω, ± 15-V
Supply
D High Output Current, 150 mA (Min)
D High Speed
– 110 MHz (–3 dB, G=1, ± 15 V)
– 1550 V/µs Slew Rate (G = 2, ± 15 V)
D Low Distortion, G = 2
– -78 dBc (1 MHz, 2 VPP, 100-Ω load)
D Low Power Shutdown (THS3115)
– 300-µA Shutdown Quiescent Current Per
Channel
D Thermal Shutdown and Short Circuit
Protection
D Standard SOIC, SOIC PowerPAD, and
TSSOP PowerPAD Package
D Evaluation Module Available
APPLICATIONS
D Communication Equipment
D Video Distribution
D Motor Drivers
D Piezo Drivers
DESCRIPTION
The THS3112/5 are low-noise, high-speed current
feedback amplifiers, ideal for any application requiring
high output current. The low noninverting current noise
of 2.9 pA/√Hz and the low inverting current noise of 10.8
pA/√Hz increase signal to noise ratios for enhanced
signal resolution. The THS3112/5 can operate from
±5-V to ±15-V supply voltages, while drawing as little as
4.5 mA of supply current per channel. It offers low
–78-dBc total harmonic distortion driving 2 VPP into a
100-Ω load. The THS3115 features a low power
shutdown mode, consuming only 300-µA shutdown
quiescent current per channel. The THS3112/5 is
packaged in a standard SOIC, SOIC PowerPAD, and
TSSOP PowerPAD packages.
VOLTAGE NOISE AND CURRENT NOISE
vs
FREQUENCY
100
VCC = ±5 V to ±15 V
TA = 25°C
THS3112
SOIC (D) AND
SOIC PowerPAD (DDA) PACKAGE
(TOP VIEW)
In–
10 In+
1 OUT 1 8 VCC+
1 IN– 2 7 2 OUT
1 IN+ 3 6 2 IN–
VCC– 4 5 2 IN+
Vn
1
10
100 1 K 10 K
f – Frequency – Hz
100 K
THS3115
SOIC (D) AND
TSSOP PowerPAD (PWP) PACKAGE
(TOP VIEW)
1 OUT
1 IN–
1 IN+
VCC–
N/C
GND
N/C
1
2
3
4
5
6
7
14 VCC+
13 2 OUT
12 2 IN–
11 2 IN+
10 N/C
9 SHUTDOWN
8 N/C
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright 2001, Texas Instruments Incorporated
www.ti.com
1
1 page  
THS3112
THS3115
SLOS385 – SEPTEMBER 2001
electrical characteristics over recommended operating free-air temperature range, TA = 25°C,
VCC = ±15 V, RF = 750 Ω, RL = 100 Ω, GND = 0 V (unless otherwise noted) (continued)
power supply
PARAMETER
ICC Quiescent current (per amplifier)
PSRR
Power supply rejection ratio
TEST CONDITIONS
VCC = ±5 V
VCC = ±15 V
VCC = ±5 V
VCC = ±15 V
TA = 25°C
TA = full range
TA = 25°C
TA = full range
TA = 25°C
TA = full range
TA = 25°C
TA = full range
MIN TYP MAX UNIT
4.4 5.5
6
mA
4.9 6.5
7.5
53 60
50
68 74
dB
66
shutdown characteristics (THS3115 only)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
ICC(SHDN) Shutdown quiescent current (per channel)
VGND = 0 V, VCC = ±5 V, ±15 V
0.3 0.45 mA
tDIS Disable time (see Note 3)
VCC = ±15 V
0.1 µs
tEN Enable time (see Note 3)
VCC = ±15 V
0.4 µs
IIL(SHDN) Shutdown pin input bias current for power up
VCC = ±5 V, ±15 V, V(SHDN) = 0 V
18 25 µA
IIH(SHDN) Shutdown pin input bias current for power down VCC = ±5 V, ±15 V, V(SHDN) = 3.3 V
110 130 µA
NOTE 3: Disable/enable time is defined as the time from when the shutdown signal is applied to the SHDN pin to when the supply current has
reached half of its final value.
Vn, In
CMRR
PSRR
Zo
SR
VIO
IB
VO
ICC
TYPICAL CHARACTERISTICS
Table of Graphs
Small signal closed loop gain
Gain and phase
Small signal closed loop noninverting gain
Small signal closed loop inverting gain
Small and large signal output
Harmonic distortion
Voltage noise and current noise
Common-mode rejection ratio
Power supply rejection ratio
Crosstalk
Output impedance
Slew rate
Input offset voltage
Input bias current
Output voltage
Output voltage headroom
Supply current (per channel)
Shutdown response
vs Frequency
vs Frequency
vs Frequency
vs Frequency
vs Frequency
vs Frequency
vs Peak–to–peak output voltage
vs Frequency
vs Frequency
vs Frequency
vs Frequency
vs Frequency
vs Output voltage step
vs Free-air temperature
vs Common-mode input voltage
vs Free-air temperature
vs Output current
vs Output current
vs Supply voltage
FIGURE
1 – 11, 13, 14
12
15, 16
17, 18
19, 20
21, 22
23, 24
25
26
27
28
29
30
31
32
33
34, 35
36
37
38
www.ti.com
5
5 Page 
D (R-PDSO-G**)
14 PINS SHOWN
THS3112
THS3115
MECHANICAL DATA
SLOS385 – SEPTEMBER 2001
PLASTIC SMALL-OUTLINE PACKAGE
14
1
0.050 (1,27)
0.020 (0,51)
0.014 (0,35)
8
0.010 (0,25) M
0.244 (6,20)
0.228 (5,80)
0.157 (4,00)
0.150 (3,81)
7
A
0.008 (0,20) NOM
Gage Plane
0°–ā8°
0.010 (0,25)
0.044 (1,12)
0.016 (0,40)
0.069 (1,75) MAX
0.010 (0,25)
0.004 (0,10)
Seating Plane
0.004 (0,10)
PINS **
DIM
A MAX
A MIN
8
0.197
(5,00)
0.189
(4,80)
14
0.344
(8,75)
0.337
(8,55)
16
0.394
(10,00)
0.386
(9,80)
NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice.
C. Body dimensions do not include mold flash or protrusion, not to exceed 0.006 (0,15).
D. Falls within JEDEC MS-012
4040047 / D 10/96
www.ti.com
11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet THS3112.PDF ] | |
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