TL321CP [TI]
OPERATIONAL AMPLIFIERS; 运算放大器
| 型号： | TL321CP |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | OPERATIONAL AMPLIFIERS |
| 文件： | 总4页 (文件大小：44K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TL321C, TL321I
OPERATIONAL AMPLIFIERS
SLOS085 – D2343, APRIL 1977 – REVISED OCTOBER 1990
TTL321C, TL321I . . . D OR P PACKAGE
(TOP VIEW)
•
•
•
Wide Range of Single Supply
Voltages . . . 3 V to 30 V or Dual Supplies
NC
IN–
IN+
NC
V
OUT
1
2
3
4
8
7
6
5
Low Supply Current Independent of Supply
Voltage . . . 0.8 mA Typ
CC
Common-Mode Input Voltage Range
Includes Ground Allowing Direct Sensing
Near Ground
GND
NC
NC – No internal connection
•
Low Input Bias and Offset Parameters
– Input Offset Voltage . . . 2 mV Typ
– Input Offset Current . . . 3 nA Typ
(TL321I)
symbol
IN+
+
OUT
–
– Input BIas Current . . . 45 nA Typ
IN–
•
•
•
Differential Input Voltage Range Equal to
Maximum-Rated Supply Voltage . . . ±32 V
AVAILABLE OPTIONS
PACKAGE
Open-Loop Differential Voltage
Amplification . . . 100 V/mV Typ
V
MAX
at 25°C
IO
SMALL OUTLINE PLASTIC DIP
T
A
(D)
(P)
Internal Frequency Compensation
7 mV
5 mV
0°C to 70°C
–25°C to 85°C
TL321CD
TL321ID
TL321CP
TL321IP
description
The D packages are available taped and reeled. Add the suffix R to
the device type, (e.g., TL321CDR).
The TL321 is a high-gain, frequency-compensated operational amplifier that is designed specifically to operate
from a single supply over a wide range of voltages. Operation from split supplies is also possible as long as the
difference between the two supplies is 3 V to 30 V and pin 7 is at least 1.5 V more positive than the input
common-mode voltage. The low supply current is independent of the magnitude of the supply voltage.
Applications include transducer amplifiers, dc amplification blocks, and all the conventional operational
amplifier circuits that now can be more easily implemented in single-supply-voltage systems. For example, the
TL321 can be operated directly off of the standard 5-V supply that is used in digital systems and will easily
provide the required interface electronics without requiring additional ±15-V supplies.
The TL321C is characterized for operation from 0°C to 70°C. The TL321I is characterized for operation from
–25 °C to 85°C.
PRODUCTION DATA documents contain information current as of
Copyright 1990, Texas Instruments Incorporated
publication date. Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not necessarily
include testing of all parameters.
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
1
TL321C, TL321I
OPERATIONAL AMPLIFIERS
schematic
V
CC
≈ 6-µA
Current
≈ 6-µA
Current
≈ 100-µA
Current
Regulator
Regulator
Regulator
OUTPUT
INVERTING
INPUT IN–
≈ 50-µA
Current
Regulator
NONINVERTING
INPUT IN+
GND
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, V
(see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 V
CC
Differential input voltage (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±32 V
Input voltage range (either input) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to 32 V
Duration of output short circuit to ground at (or below) 25°C free-air temperature
(V
≤ 15 V) (see Note 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unlimited
CC
Continuous total dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table
Operating free-air temperature range: TL321C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
TL321I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –25°C to 85°C
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C
NOTES: 1. All voltage values, except differential voltages, are with respect to the network ground terminal.
2. Differential voltages are at the noninverting input terminal with respect to the inverting input terminal.
3. Short circuits from the output to V
can cause excessive heating and eventual destruction.
CC
DISSIPATION RATING TABLE
T
≤ 25°C
DERATING
FACTOR
DERATE
ABOVE T
T
= 70°C
T = 85°C
A
POWER RATING
A
A
PACKAGE
POWER RATING
POWER RATING
A
D
P
680 mW
5.8 mW/°C
8.0 mW/°C
33°C
65°C
464 mW
377 mW
680 mW
640 mW
520 mW
recommended operating conditions
MIN NOM
MAX
30
UNIT
Single supply voltage, V
5
V
V
V
CC
CC+
CC–
Dual supply voltage, V
Dual supply voltage, V
2.5
15
–2.5
–15
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
2
TL321C, TL321I
OPERATIONAL AMPLIFIERS
electrical characteristics at specified free-air temperature, V
= 5 V (unless otherwise noted)
CC
TL321C
TYP
TL321I
TYP
†
PARAMETER
TEST CONDITIONS
UNIT
MIN
MAX
MIN
MAX
V
V
= V
min,
IC
ICR
= 5 V to 30 V,
25°C
2
7
2
5
CC
= 1.4 V,
= 50 kΩ
V
IO
Input offset voltage
mV
V
O
Full range
9
7
R
S
25°C
Full range
25°C
5
50
150
3
30
100
I
I
Input offset current
Input bias current
V
= 1.4 V
= 1.4 V
nA
nA
IO
O
–45
–250
–500
–45
–150
–300
V
O
IB
Full range
0 to
0 to
25°C
V
CC
–1.5
V
CC
–1.5
Common-mode input voltage
range
V
= 5 V to 30 V
V
V
V
CC
ICR
0 to
0 to
Full range
Full range
Full range
V
CC
–1.5
V
CC
–1.5
V
R
= 30 V,
= 2 kΩ
CC
L
26
26
V
High-level output voltage
Low-level output voltage
V
= 30 V,
≥ 10 kΩ
OH
OL
CC
L
27
28
27
28
R
R
R
≥ 2 kΩ
25°C
3.5
3.5
L
V
≥ 10 kΩ
Full range
5
20
5
20
mV
L
V
V
R
= 15 V,
= 1 V to 11 V,
= 2 kΩ
CC
O
L
25°C
25
15
100
50
25
100
Large-signal differential
voltage amplification
A
VD
V/mV
Full range
V
R
= V
= 50 kΩ
min,
IC
S
ICR
CMRR Common-mode rejection ratio
Supply voltage rejection ratio
25°C
25°C
65
65
85
70
85
dB
dB
V
R
= 5 V to 30 V,
= 50 kΩ
CC
k
100
–40
65
100
–40
SVR
(∆V /∆V
CC IO
)
S
V
V
V
= 15 V.
= 1 V,
= 0
CC
ID
O
25°C
–20
–10
10
–25
Source
Sink
Full range
25°C
–20
20
–10
10
–20
20
mA
V
V
V
= 15 V.
= –1 V,
= 15 V
I
O
CC
ID
O
Output current
Full range
5
8
5
8
V
ID
V
O
= –1 V,
= 200 V
25°C
12
50
12
50
µA
No load,
V
V
= 15 V,
Full range
2
1
2
1
O
= 30 V
CC
I
CC
Supply current
mA
No load,
V
V
= 2.5 V,
= 5 V
Full range
0.4
O
CC
†
All characteristics are measured under open-loop conditions with zero common-mode voltage unless otherwise specified. Full range is 0°C to
70°C for TL321C and –25°C to 85°C for TL321I.
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
3
IMPORTANT NOTICE
Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue
any product or service without notice, and advise customers to obtain the latest version of relevant information
to verify, before placing orders, that information being relied on is current and complete. All products are sold
subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those
pertaining to warranty, patent infringement, and limitation of liability.
TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in
accordance with TI’s standard warranty. Testing and other quality control techniques are utilized to the extent
TI deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarily
performed, except those mandated by government requirements.
CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF
DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE (“CRITICAL
APPLICATIONS”). TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED, AUTHORIZED, OR
WARRANTED TO BE SUITABLE FOR USE IN LIFE-SUPPORT DEVICES OR SYSTEMS OR OTHER
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BE FULLY AT THE CUSTOMER’S RISK.
In order to minimize risks associated with the customer’s applications, adequate design and operating
safeguards must be provided by the customer to minimize inherent or procedural hazards.
TI assumes no liability for applications assistance or customer product design. TI does not warrant or represent
that any license, either express or implied, is granted under any patent right, copyright, mask work right, or other
intellectual property right of TI covering or relating to any combination, machine, or process in which such
semiconductor products or services might be or are used. TI’s publication of information regarding any third
party’s products or services does not constitute TI’s approval, warranty or endorsement thereof.
Copyright 1998, Texas Instruments Incorporated
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