Line Receiver. TT1200 Datasheet

TT1200 Receiver. Datasheet pdf. Equivalent


TT Semiconductor TT1200
InGeniusâ High-CMRR Balanced Input Line Receiver ICs
TT1200 Series
FEATURES
· High CMRR: typ. 90 dB at 60 Hz
· Extremely high common-mode input
impedance
· Maintains balance under real-world
conditions
· Transformer-like performance in an IC
· Excellent performance
· Wide bandwidth: typ. > 22 MHz
· High slew rate: typ. 12 V/us
· Low distortion: typ. 0.0005 % THD
· Low noise: typ. -107 dBu
· Several gains: 0 dB, -3 dB, & -6 dB
APPLICATIONS
· Balanced Audio Line Receivers
· Instrumentation Amplifiers
· Differential Amplifiers Expanders
· Transformer Front-End Replacements
· ADC Front-Ends
Description
The TT Semiconductor TT1200-series InGenius
balanced line receivers overcome a serious
limitation of conventional balanced input stages:
poor common mode rejection in real-world
applications. While conventional input stages
measure well in the lab and perform well on
paper, they fail to live up to their CMRR specs
when fed from even slightly unbalanced source
impedances. This is because conventional stages
have low common-mode input impedance, which
interacts with imbalances in source impedance to
unbalance common-mode signals, making them
indistinguishable from desired, balanced signals.
The patented InGenius input stage uses clever
bootstrapping to raise its common-mode input
impedance into the meg-ohm range without the
noise penalty from the obvious solution of using
high-valued resistors. Like transformers, InGenius line
receivers maintain their high CMRR over a wide
range of source impedance imbalances — even
when fed from single-ended sources. These wide
bandwidth solid state devices offer dc-coupling, low
distortion, and lower signal noise that is not
achievable with transformers.
Figure 1. TT1200 series equivalent circuit diagram
Figure 2. DIP Pinout Assignments
Rev. 01
TT Semiconductor; 325 North Shepard Street; Anaheim, California 92806; USA
Tel: 1 714 257 2257; Fax: 1 714 257 2252; Web: www.ttsemiconductor.com
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TT1200 Datasheet
Recommendation TT1200 Datasheet
Part TT1200
Description High-CMRR Balanced Input Line Receiver
Feature TT1200; InGeniusâ High-CMRR Balanced Input Line Receiver ICs TT1200 Series FEATURES · High CMRR: typ. 90 dB.
Manufacture TT Semiconductor
Datasheet
Download TT1200 Datasheet




TT Semiconductor TT1200
TT1200 Series
TT Semiconductor
SPECIFICATIONS1
Absolute Maximum Ratings (TA = 25°C)
Positive Supply Voltage (VCC)
Negative Supply Voltage (VEE)
Storage Temperature Range (TST)
+20 V
-20 V
-55 to +200°C
Operating Temperature Range (TOP)
Output Short-Circuit Duration (tSH)
-55 to +175°C
Continuous
Input Voltage (VIN)
TT1200
±25 V
TT1203
±31 V
TT1206
±31 V
Electrical Characteristics2,3,4
Parameter
Supply Current
Supply Voltage
Input Bias Current
Input Offset Current
Input Voltage Range
Input Impedance
Common Mode Rejection Ratio
Common Mode Rejection Ratio5
Common Mode Rejection Ratio
Power Supply Rejection Ratio6
Symbol
Conditions
Min Typ Max
ICC
VCC,VEE
IB
No signal
no signal; Either input
connected to GND
— 4.7 8.0
±3 — ±18
— 700 1,400
IB-OFF
No signal
VIN-CM
Common mode
VIN-DIFF Differential (equal and opposite swing)
TT1200
TT1203
TT1206
±12.5
21.0
24.0
24.0
±13.0
21.5
24.5
24.5
±300
ZIN-DIFF
ZIN-CM
Differential
Common mode
60 Hz
20 kHz
48.0
with bootstrap
10.0
3.2
CMRR1 Matched source impedances; VCM = ±10V
DC 70 90 —
60 Hz
70 90 —
20 kHz
— 85 —
CMRRIEC 10W unmatched source imped-ances; VCM = ±10V
DC — 90
60 Hz
— 90
20 kHz
— 85
CMRR2
600W unmatched source impedances; VCM = ±10V
60 Hz
20 kHz
70
65
PSRR
At 60 Hz, with VCC =-VEE
TT1200
— 82 —
TT1203
— 80 —
TT1206
— 80 —
Units
mA
V
nA
nA
V
dBu
dBu
dBu
k ohm
M ohm
M ohm
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
1. All specifications subject to change without notice.
2. Unless otherwise noted, TA=-55°C to +125°C, VCC = +15V, VEE= -15V
3. See test circuit in Figure 2.
4. 0 dBu = 0.775Vrms.
5. Per IEC Standard 60268-3 for testing CMRR of balanced inputs.
6. Defined with respect to the differential gain.
2 TT Semiconductor; 325 North Shepard Street; Anaheim, California 92806; USA
Tel: 1 714 257 2257; Fax: 1 714 257 2252; Web: www.ttsemiconductor.com
Rev. 01



TT Semiconductor TT1200
TT Semiconductor
TT1200 Series
Parameter
Total Harmonic Distortion
Output Noise
Output Offset Voltage
Slew Rate
Small Signal Bandwidth
Output Gain Error
Maximum Output Voltage
Output Short Circuit Current
Minimum Resistive Load
Maximum Capacitive Load
Electrical Characteristics (Cont'd)
Symbol
Conditions
THD VIN-DIFF = 10 dBu; BW = 20 kHz;f =1 kHz
en(OUT)
RL =2 kW
BW =20 kHz
TT1200
TT1203
TT1206
VOFF
SR
BW-3dB
No signal
RL = 2 kW, CL = 300 pF
RL = 10 kW , CL = 10 pF
TT1200
TT1203
GER(OUT)
VO
TT1206
f = 1 kHz; RL = 2 kW
At max differential input
TT1200
TT1203
TT1206
ISC RL = RLcm = 0W
ICMSC
RLmin
At CM output
RLCMmin
CLmax
CLCMmax
At CM output
At CM output
Min
6
20.5
20.5
17.5
2
10
Typ
0.0005
-106
-105
-107
12
22
27
34
0
21.5
21.5
18.5
±25
±10
Max
±10
±0.05
300
50
Units
%
dBu
dBu
dBu
mV
V/ms
MHz
MHz
MHz
dB
dBu
dBu
dBu
mA
mA
kW
kW
pF
pF
Rev. 01
Figure 3. TT1200 series test circuit
TT Semiconductor; 325 North Shepard Street; Anaheim, California 92806; USA
Tel: 1 714 257 2257; Fax: 1 714 257 2252; Web: www.ttsemiconductor.com
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