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TC911A PDF даташит

Спецификация TC911A изготовлена ​​​​«TelCom Semiconductor» и имеет функцию, называемую «AUTO-ZEROED OPERATIONAL AMPLIFIERS».

Детали детали

Номер произв TC911A
Описание AUTO-ZEROED OPERATIONAL AMPLIFIERS
Производители TelCom Semiconductor
логотип TelCom Semiconductor логотип 

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TC911A Даташит, Описание, Даташиты
1
TC911A
TC911B
AUTO-ZEROED OPERATIONAL AMPLIFIERS
FEATURES
s First Monolithic Chopper-Stabilized Amplifier
With On-Chip Nulling Capacitors
s Offset Voltage .................................................... 5µV
s Offset Voltage Drift .................................. 0.05µV/°C
s Low Supply Current ...................................... 350µA
s High Common-Mode Rejection .................... 116dB
s Single Supply Operation ....................... 4.5V to 16V
s High Slew Rate ............................................. 2.5V/µs
s Wide Bandwidth ............................................1.5MHz
s High Open-Loop Voltage Gain
(RL = 10 k) .................................................... 120dB
s Low Input Voltage Noise
(0.1 Hz to 1 Hz) .......................................... 0.65µVP-P
s Pin Compatible With ICL7650
s Lower System Parts Count
ORDERING INFORMATION
Part No.
TC911ACOA
TC911ACPA
TC911BCOA
TC911BCPA
Temperature
Package
Range
8-Pin SOIC
8-Pin
Plastic DIP
8-Pin SOIC
8-Pin
Plastic DIP
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
Maximum
Offset
Voltage
15µV
15µV
30µV
30µV
FUNCTIONAL BLOCK DIAGRAM
VDD
VSS
GENERAL DESCRIPTION
The TC911 CMOS auto-zeroed operational amplifier is
the first complete monolithic chopper-stabilized amplifier.
Chopper operational amplifiers like the ICL7650/7652 and
LTC1052 require user-supplied, external offset compensa-
tion storage capacitors. External capacitors are not re-
quired with the TC911. Just as easy to use as the conven-
tional OP07 type amplifier, the TC911 significantly reduces
offset voltage errors. Pinout matches the OP07/741/7650
8-pin mini-DIP configuration.
Several system benefits arise by eliminating the exter-
nal chopper capacitors: lower system parts count, reduced
assembly time and cost, greater system reliability, reduced
PC board layout effort and greater board area utilization.
Space savings can be significant in multiple-amplifier de-
signs.
Electrical specifications include 15µV maximum offset
voltage, 0.15µV/°C maximum offset voltage temperature
coefficient. Offset voltage error is five times lower than the
premium OP07E bipolar device. The TC911 improves off-
set drift performance by eight times.
The TC911 operates from dual or single power sup-
plies. Supply current is typically 350µA. Single 4.5V to 16V
supply operation is possible, making single 9V battery
operation possible. The TC911 is available in 2 package
types: 8-pin plastic DIP and SOIC.
PIN CONFIGURATION (SOIC and DIP)
NC 1
– INPUT 2
+ INPUT 3
VSS 4
TC911ACPA
TC911BCPA
8 NC
7 VDD
6 OUTPUT
5 NC
NC 1
– INPUT 2
+ INPUT 3
VSS 4
8 NC
7 VDD
TC911ACOA 6 OUTPUT
TC911BCOA 5 NC
NC = NO INTERNAL CONNECTION
2
3
4
5
6
47
–INPUT
2
VOS CORRECTION AMPLIFIER
+
A
B
*B
INTERNAL
OSCILLATOR
(fOSC 200 Hz)
7
+INPUT
3
A
*
+
MAIN
AMPLIFIER
TC911
LOW IMPEDANCE
+ OUTPUT BUFFER
6 OUTPUT
*NOTE: Internal capacitors. No external capacitors required.
TELCOM SEMICONDUCTOR, INC.
TC911/A/B-7 9/11/96
3-263
8









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TC911A Даташит, Описание, Даташиты
AUTO-ZEROED MONOLITHIC
OPERATIONAL AMPLIFIERS
TC911A
TC911B
ABSOLUTE MAXIMUM RATINGS*
Total Supply Voltage (VDD to VSS) ........................... +18V
Input Voltage ........................ (VDD + 0.3V) to (VSS – 0.3V)
Current into Any Pin .................................................10mA
While Operating ................................................100µA
Storage Temperature Range ................ – 65°C to +150°C
Lead Temperature (Soldering, 10 sec) ................. +300°C
Operating Temperature Range
C Device ................................................ 0°C to +70°C
Package Power Dissipation (TA = 70°C)
Plastic DIP ...................................................... 730mW
Plastic SOIC ................................................... 470mW
*Static-sensitive device. Unused devices should be stored in conductive
material. Stresses above those listed under “Absolute Maximum Ratings”
may cause permanent damage to the device. These are stress ratings only
and functional operation of the device at these or any other conditions
above those indicated in the operational sections of the specifications is not
implied.
ELECTRICAL CHARACTERISTICS: VS = ±5V, TA = +25°C, unless otherwise indicated.
Symbol Parameter
VOS
TCVOS
IB
Input Offset Voltage
Average Temperature
Coefficient of Input
Offset Voltage
Average Input Bias
Current
IOS Average Input
Offset Current
eN Input Voltage Noise
CMRR
CMVR
AOL
VOUT
BW
SR
PSRR
VS
IS
Common-Mode
Rejection Ratio
Common-Mode
Voltage Range
Open-Loop Voltage
Gain
Output Voltage Swing
Closed Loop
Bandwidth
Slew Rate
Power Supply
Rejection Ratio
Operating Supply
Voltage Range
Quiescent Supply
Current
Test Conditions
TA = +25°C
0°C TA +70°C
–25°C TA +85°C
(Note 1)
TA = +25°C
0°C TA +70°C
–25°C TA +85°C
TA = +25°C
TA = +85°C
0.1 to 1 Hz, RS 100
0.1 to 10 Hz, RS 100
VSS VCM VDD – 2.2
TC911A
Min Typ Max
— 5 15
— 0.05 0.15
— 0.05 0.15
——
——
——
—5
——
— 0.65
— 11
110 116
70
3
4
20
1
TC911B
Min Typ Max
— 15 30
— 0.1 0.25
— 0.1 0.25
— — 120
— —4
— —6
— 10 40
— —1
— 0.65 —
— 11 —
105 110 —
RL = 10 k, VOUT = ±4V
VSS
115
— VDD – 2
120 —
VSS
110
— VDD – 2
120 —
RL = 10 k
VSS + 0.3 — VDD – 0.9 VSS + 0.3
Closed Loop Gain = +1 — 1.5 —
— VDD – 0.9
1.5 —
RL = 10 k, CL = 50 pF
±3.3V to ±5.5V
112
2.5
— 2.5 —
105 — —
Split Supply
Single Supply
VS = ±5V
±3.3 —
6.5 —
±8
16
— 350 600
±3.3 — ±8
6.5 — 16
— — 800
NOTES: 1. Characterized; not 100% tested.
Unit
µV
µV/°C
µV/°C
pA
nA
nA
pA
nA
µVP-P
µVP-P
dB
V
dB
V
MHz
V/µs
dB
V
V
µA
3-264
TELCOM SEMICONDUCTOR, INC.









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TC911A Даташит, Описание, Даташиты
AUTO-ZEROED MONOLITHIC
OPERATIONAL AMPLIFIERS
1
TC911A
TC911B
TYPICAL CHARACTERISTICS
Supply Current vs. ± Supply Voltage
700
TA = +25°C
600
500
400
Supply Current vs. Temperature
450
VS = ±5V
400
350
300 300
200
100
0
2
34567
± SUPPLY VOLTAGE (V)
8
250
200
–100
–50 0
50 100
AMBIENT TEMPERATURE (°C)
150
Gain and Phase vs. Frequency
50 225
VS = ±5V
40 TA = +25°C 180
30
PHASE
RL = 10 k135
20 GAIN
90
10 45
00
–10
–20
–30
–40
10k
100k
1M
FREQUENCY (Hz)
–45
–90
–135
–180
10M
Large Signal Output
Switching Waveform
INPUT VERTICAL
SCALE = 2 V/DIV
0V
RL = 10 k
TA = +25°C
OUTPUT
VERTICAL
SCALE
= 1 V/DIV
HORIZONTAL SCALE = 2 µs/DIV
Input Offset Voltage vs.
Common-Mode Voltage
35
VS = ±5V
30 TA = +25°C
25
2
20
315
10
5
0
–6 –5 –4 –3 –2 –1 0 1 2 3 4
INPUT COMMON-MODE VOLTAGE (V)
Output Voltage Swing vs.
Load Resistance
5.8
TA = +25°C
5.0 VS = ±5V
–SWING
4
4.2
+SWING
53.4
2.6
1.8
1.0
100
1k 10k 100k
LOAD RESISTANCE ()
1M
6
7
TELCOM SEMICONDUCTOR, INC.
8
3-265










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