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零件编号 | TS615IPWT | ||
描述 | DUAL WIDE BAND OPERATIONAL AMPLIFIER WITH HIGH OUTPUT CURRENT | ||
制造商 | STMicroelectronics | ||
LOGO | |||
1 Page
TS615
DUAL WIDE BAND OPERATIONAL AMPLIFIER
WITH HIGH OUTPUT CURRENT
s LOW NOISE : 2.5nV/√Hz
s HIGH OUTPUT CURRENT : 420mA
s VERY LOW HARMONIC AND INTERMODU-
LATION DISTORTION
s HIGH SLEW RATE : 410V/µs
s -3dB BANDWIDTH : 40MHz@gain=12dB on
25Ω load single ended.
s 21.2Vp-p DIFFERENTIAL OUTPUT SWING
on 50Ω load, 12V power supply
s CURRENT FEEDBACK STRUCTURE
s 5V to 12V POWER SUPPLY
s SPECIFIED FOR 20Ω and 50Ω DIFFEREN-
TIAL LOAD
s POWER DOWN FUNCTION WITH A SHORT
CIRCUITED OUTPUT to keep the matching
with the line in sleep mode
DESCRIPTION
The TS615 is a dual operational amplifier featur-
ing a high output current 410mA. These drivers
can be configured differentially for driving signals
in telecommunication systems using multiple car-
riers. The TS615 is ideally suited for xDSL (High
Speed Asymmetrical Digital Subscriber Line) ap-
plications. This circuit is capable of driving a 10Ω
or 25Ω load at ±2.5V, 5V, ±6V or +12V power
supply. The TS615 will be able to reach a -3dB
bandwidth of 40MHz on 25Ω load with a 12dB
gain. This device is designed for the high slew
rates to support low harmonic distortion and inter-
modulation. The TS615 is fitted out with Power
Down function to decrease the consumption. Dur-
ing this sleep state the device displays a short cir-
cuit output in order to keep the impedance match-
ing with the line. The TS615 is housed in
TSSOP14 Exposed-Pad plastic package for a
very low thermal resistance.
APPLICATION
s Line driver for xDSL
s Multiple Video Line Driver
P
TSSOP14 Exposed-Pad
(Plastic Micro package)
ORDER CODE
Part Number
TS615IPWT
Temperature Range
-40, +85°C
Package
PW
PW= Thin Shrink Small Outline Package with Exposed-Pad
(TSSOP Exposed-Pad) only available in Tape & Reel (PWT)
PIN CONNECTIONS (top view)
-VCC1 1
14 -VCC2
Output1 2
+VCC1 3
Non Inverting Input1 4
+-
13 Output2
- + 12 +VCC2
11 Non Inverting Input2
Inverting Input1 5
PowerDown 6
NC 7
10 Inverting Input2
9 NC
8 NC
Top View
Cross Section View Showing Exposed-Pad
This pad can be connected to a (-Vcc) copper area on the PCB
December 2002
1/27
TS615
Figure 7 : Closed Loop Gain vs. Frequency
AV=+4
14 40
gain
12 20
(Vcc=±2.5V)
10 phase
(Vcc=±6V)
0
8
-20
6 (Vcc=±2.5V)
-40
4 (Vcc=±6V)
2 -60
0
-2 (Vcc=±2.5V, Rfb=910Ω, Rg=300Ω, Rload=10Ω)
(Vcc=±6V, Rfb=620Ω, Rg=560//330Ω, Rload=25Ω)
-4
100 1k 10k 100k 1M 10M
Frequency (Hz)
-80
-100
-120
100M
Figure 8 : Closed Loop Gain vs. Frequency
AV=+8
20 40
gain
18 20
(Vcc=±2.5V)
16 phase
(Vcc=±6V)
0
14
-20
12 (Vcc=±2.5V)
-40
10 (Vcc=±6V)
8 -60
6
4 (Vcc=±2.5V, Rfb=680Ω, Rg=240//160Ω, Rload=10Ω)
(Vcc=±6V, Rfb=510Ω, Rg=270//100Ω, Rload=25Ω)
2
100 1k 10k 100k 1M 10M
Frequency (Hz)
-80
-100
-120
100M
Figure 9 : Bandwidth vs. Temperature
AV=+4, Rfb=910Ω
50
Vcc=±6V
Load=25Ω
45
40
35
30
Vcc=±2.5V
25 Load=10Ω
20
-40
-20
0
20 40 60 80
Temperature (°C)
8/27
Figure 10 : Closed Loop Gain vs. Frequency
AV=-4
14 -140
gain
12 -160
(Vcc=±2.5V)
10 phase
(Vcc=±6V)
-180
8
-200
6 (Vcc=±2.5V)
4
(Vcc=±6V)
-220
2 -240
0
-2 (Vcc=±2.5V, Rfb=1kΩ, Rin=320//360Ω, Rload=10Ω)
(Vcc=±6V, Rfb=620Ω, Rin=360//270Ω, Rload=25Ω)
-4
100 1k 10k 100k 1M 10M
Frequency (Hz)
-260
-280
-300
100M
Figure 11 : Closed Loop Gain vs. Frequency
AV=-8
20 -140
gain
18 -160
(Vcc=±2.5V)
16 phase
(Vcc=±6V)
-180
14
-200
12 (Vcc=±2.5V)
-220
10 (Vcc=±6V)
8 -240
6
4 (Vcc=±2.5V, Rfb=680Ω, Rin=160//180Ω, Rload=10Ω)
(Vcc=±6V, Rfb=510Ω, Rin=150//110Ω, Rload=25Ω)
2
100 1k 10k 100k 1M 10M
Frequency (Hz)
-260
-280
-300
100M
Figure 12 : Positive Slew Rate
AV=+4, Rfb=620Ω, VCC=±6V, RL=25Ω
4
2
0
-2
-4
0.0
10.0n
20.0n
30.0n
Time (s)
40.0n
50.0n
TS615
Figure 46 : Intermodulation vs. Output Amplitude
370kHz & 400kHz, AV=+1.5, Rfb=1kΩ, RL=14Ω diff.,VCC=±2.5V
-30
-40
-50
IM2
-60 770kHz
IM3
-70 340kHz, 430kHz
-80
IM2
30kHz
-90
-100
0
IM3
1140kHz, 1170kHz
1234567
Differential Output Voltage (Vp-p)
8
Figure 47 : Intermodulation vs. Output Amplitude
370kHz & 400kHz, AV=+1.5, Rfb=1kΩ, RL=28Ω diff.,VCC=±2.5V
-30
-40
-50
-60
IM3 IM2
-70 340kHz, 430kHz 30kHz
IM2
770kHz
-80
-90
-100
0
IM3
1140kHz, 1170kHz
1234567
Differential Output Voltage (Vp-p)
8
Figure 48 : Intermodulation vs. Gain
370kHz & 400kHz, RL=20Ω diff., Vout=6Vpp, VCC=±2.5V
-30
-40
-50
-60
-70
-80
-90
-100
-110
1.0
16/27
IM3
340kHz, 430kHz, 1140kHz, 1170kHz
IM2
30kHz
IM2
770kHz
1.5 2.0 2.5 3.0 3.5
Closed Loop Gain (Linear)
4.0
Figure 49 : Intermodulation vs. Load
370kHz & 400kHz, AV=+1.5, Rfb=1kΩ, Vout=6.5Vpp,VCC=±2.5V
-30
-40
IM3
-50 340kHz, 430kHz, 1140kHz, 1170kHz
-60 IM2
30kHz
IM2
-70 770kHz
-80
-90
-100
-110
0
20 40 60 80 100 120 140 160 180 200
Differential Load (Ω)
Figure 50 : Intermodulation vs. Output Amplitude
100kHz & 110kHz, AV=+4, Rfb=620Ω, RL=200Ω diff.,VCC=±6V
-30
-40
-50 IM3
90kHz, 120kHz
-60 IM3
310kHz
-70 IM3
320kHz
-80
IM2
210kHz
-90
-100
-110
2 4 6 8 10 12 14 16 18 20 22
Differential Output Voltage (Vp-p)
Figure 51 : Intermodulation vs. Output Amplitude
100kHz & 110kHz, AV=+4, Rfb=620Ω, RL=50Ω diff., VCC=±6V
-30
-40 IM3
90kHz, 120kHz, 310kHz, 320kHz
-50
IM2
-60 210kHz
-70
-80
-90
-100
-110
2 4 6 8 10 12 14 16 18 20 22
Differential Output Voltage (Vp-p)
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页数 | 27 页 | ||
下载 | [ TS615IPWT.PDF 数据手册 ] |
零件编号 | 描述 | 制造商 |
TS615IPWT | DUAL WIDE BAND OPERATIONAL AMPLIFIER WITH HIGH OUTPUT CURRENT | STMicroelectronics |
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