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Teilenummer | TSH111IDT |
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Beschreibung | WIDE BAND/ LOW NOISE OPERATIONAL AMPLIFIERS | |
Hersteller | STMicroelectronics | |
Logo | ||
Gesamt 19 Seiten TSH110-111-112-113-114
WIDE BAND, LOW NOISE OPERATIONAL AMPLIFIERS
s LOW NOISE: 3nV/√Hz
s LOW SUPPLY CURRENT: 3.2mA
s 47mA OUTPUT CURRENT
s BANDWIDTH: 100MHz
s 5V to 12V SUPPLY VOLTAGE
s SLEW-RATE: 450V/µs
s SPECIFIED FOR 100Ω Load
s VERY LOW DISTORTION
s TINY: SOT23-5, TSSOP and SO PACKAGES
DESCRIPTION
The singles TSH110 and TSH111, the dual
TSH112, the triple TSH113 and the quad TSH114
are current feedback operational amplifiers featur-
ing a very high slew rate of 450V/µs and a large
bandwidth of 100MHz, with only a 3.2mA quies-
cent supply current. The TSH111 and TSH113
feature a Standby function for each operator. This
function is a power down mode with a high output
impedance.
These devices operate from ±2.5V to ±6V dual
supply voltage or from 5V to 12V single supply
voltage. They are able to drive a 100Ω load with a
swing of 9V minimum (for a 12V power supply).
The harmonic and intermodulation distortions of
these devices are very low, making this circuit a
good choice for applications requiring wide band-
width with multiple carriers.
For board space and weight saving, the TSH110
comes in miniature SOT23-5 package, the
TSH111 comes in SO8 and TSSOP8 packages,
the TSH112 comes in SO8 and TSSOP8 packag-
es, the TSH113 and TSH114 comes in SO14 and
TSSOP14 packages.
APPLICATIONS
s High End Video Drivers
s Receiver for xDSL
s A/D Converter Driver
s High End Audio Applications
February 2002
PIN CONNECTIONS (top view)
TSH110 : SOT23-5
Output 1
5 VCC +
VCC - 2 + -
Non Inverting Input 3
4 Inverting Input
TSH111 : SO8/TSSOP8
NC 1
Inverting Input 2
Non Inverting Input 3
VCC - 4
_
+
8 STANDBY
7 VCC +
6 Output
5 NC
TSH112 : SO8/TSSOP8
Output1 1
8 VCC +
Inverting Input1 2
Non Inverting Input1 3
VCC - 4
_
+
7 Output2
_ 6 Inverting Input2
+ 5 Non Inverting Input2
TSH113 : SO14/TSSOP14
STANDBY1 1
STANDBY2 2
STANDBY3 3
VCC + 4
Non Inverting Input1 5
Inverting Input1 6
Output1 7
+
_
14 Output3
_ 13 Inverting Input3
+ 12 Non Inverting Input3
11 VCC -
+ 10 Non Inverting Input2
_ 9 Inverting Input2
8 Output2
TSH114 : SO14/TSSOP14
Output1 1
Inverting Input1 2
Non Inverting Input1 3
VCC + 4
Non Inverting Input2 5
Inverting Input2 6
Output2 7
_
+
+
_
14 Output4
_ 13 Inverting Input4
+ 12 Non Inverting Input4
11 VCC -
+ 10 Non Inverting Input3
_ 9 Inverting Input3
8 Output3
1/19
TSH110-TSH111-TSH112-TSH113-TSH114
Symbol
Parameter
TestCondition
Min. Typ. Max.
NOISE AND HARMONIC PERFORMANCE
en Equivalent Input Voltage Noise
in Equivalent Input Current Noise
THD Total Harmonic Distortion
IM3 Third order inter modulation product
MATCHING CHARACTERISTICS
Gf Gain Flatness
Vo1/Vo2 Channel Separation
Frequency : 1MHz
AVCL=+2, F=2MHz
RL=100Ω
Vout=4Vpp
AVCL=+2, Vout=4Vpp
RL=100Ω
F1=1MHz, F2=1.1MHz
@900kHz
@1.2MHz
@3.1MHz
@3.2MHz
F=(DC) to 6MHz
AVCL=+2, Vout=4Vpp
F=1MHz to 10MHz
3
8.6
67.7
82
84
77
73
0.1
65
(*) Rfb is the feedback resistance between the output and the inverting input of the amplifier.
Unit
nV/√Hz
pA/√Hz
dB
dBc
dB
dB
6/19
6 Page TSH110-TSH111-TSH112-TSH113-TSH114
(fig.25): Group Delay
AV=+2, Rfb=680Ω, Cfb=2pF, RL=100Ω
(fig.26): Gain Flatness
AV=+2, Rfb=680Ω, Cfb=2pF, RL=100Ω
8
7
6 Vcc=±2.5V
5
4
3
Vcc=±6V
2
0.1 1 10 100
Frequency (MHz)
(fig.27): Frequency Response vs. Load
AV=+2, Rfb=680Ω, Cfb=2pF, VCC=±2.5V, (fig.29)
6.30
6.25
6.20
6.15
6.10
6.05
6.00
5.95
5.90
1k
Vcc=±2.5V
Vcc=±6V
10k 100k
1M
10M
100M
Frequency (Hz)
(fig.28): Frequency Response vs. Load
AV=+2, Rfb=680Ω, Cfb=2pF, VCC=±6V, (fig.29)
7
C=30pF Rs=39
6
5
4 C=100pF Rs=12
3
2 C=1nF Rs=5
1
0
1 10 100
Frequency (MHz)
(fig.29): Capacitive Load Schematic.
measurements on (fig.27) and (fig.28)
7
6
5
4
3
2
1
0
1
C=30pF Rs=30
C=100pF Rs=12
C=1nF Rs=6
10
Frequency (MHz)
100
+
TSH11x
_
OUT
Rs(Ω)
1kΩ
C
RG
680Ω
Rfb, 680Ω
Cfb 2pF
12/19
12 Page | ||
Seiten | Gesamt 19 Seiten | |
PDF Download | [ TSH111IDT Schematic.PDF ] |
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