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參數資料
| 型號： | TC901CPA |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | Dual Auto-Zeroed Operational Amplifiers |
| 中文描述： | 雙自動歸零運算放大器 |
| 文件頁數： | 1/4頁 |
| 文件大?。?/td> | 55K |
| 代理商： | TC901CPA |
3-259
TELCOM SEMICONDUCTOR, INC.
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TC901
MONOLITHIC, AUTO-ZEROED OPERATIONAL AMPLIFIER
GENERAL DESCRIPTION
The TC901 is a monolithic, auto-zeroed operational
amplifier. It is a second-generation design of the TC91X
CMOS chopper-stabilized op amps with on-chip capacitors.
Elimination of the external capacitors allows the de-
signer to increase reliability, lower cost, and simplify design
by lowering parts count.
Since the TC901 is an auto-zeroing op amp, input offset
voltage is very low. More important, there is almost zero drift
with time. This eliminates production line adjustments, as
well as periodic calibration.
Notable electrical characteristics are low supply cur-
rent (450
μ
A, typical), single-supply operation (5V to 32V),
low input offset voltage (7
μ
V, typical), low noise (<5
μ
V
P-P
,
typical, for a 10Hz bandwidth), and fast recovery from
saturation without the use of external clamp circuitry.
This device is supplied in 8-pin plastic DIP and plastic
SOIC packages. It is pin compatible with bipolar, CMOS,
JFET and other chopper-stabilized op amps using the
industry-standard 741 pinout.
FEATURES
I
Second-Generation Monolithic,
Chopper-Stabilized Op Amp
I
No External Capacitors Required
I
Single-Supply Operation ...........
±
15V or 5V to 32V
I
Supply Current............................450
μ
A at 15V, Typ
I
Input Offset Voltage ...................................7
μ
V, Typ
I
Common-Mode Rejection Ratio ............140dB, Typ
I
Open-Loop Gain ............ 140dB Into 10k Load, Typ
I
Input Noise ......................... 5
μ
V at 10Hz Bandwidth
I
Pinout Compatible With ICL7650
I
Lowest Parts Count Chopper Op Amp
PIN CONFIGURATION
(DIP and SOIC)
1
2
3
4
8
7
6
5
OUTPUT
NC
+INPUT
VSS
TC901CPA
–INPUT
NC
NC
VDD
VDD
OUTPUT
VSS
NC = NO INTERNAL CONNECTION
1
2
3
4
8
7
6
5
NC
+INPUT
TC901COA
–INPUT
NC
NC
–
+
–
+
FUNCTIONAL BLOCK DIAGRAM
+
–
+
–
VDD
VSS
TC901
–INPUT
+INPUT
A
2
3
4
7
B
*
*
A
B
6
NOTE:
Internal capacitors. No external capacitors required.
MAIN
AMPLIFIER
LOW IMPEDANCE
OUTPUT BUFFER
INTERNAL
OSCILLATOR
(fOSC
≈
OS
+
–
OUTPUT
ORDERING INFORMATION
Temperature
Range
0
°
C to +70
°
C
0
°
C to +70
°
C
Part No.
Package
TC901COA
TC901CPA
8-Pin SOIC
8-Pin Plastic DIP
TC901- 7 9/5/96
相關PDF資料 |
PDF描述 |
|---|---|
| TC901COA | MONOLITHIC, AUTO-ZEROED OPERATIONAL AMPLIFIER |
| TC901CPA | MONOLITHIC, AUTO-ZEROED OPERATIONAL AMPLIFIER |
| TC911 | 50 AMP LATCHING POWER RELAY |
| TC911 | 50 AMP LATCHING POWER RELAY |
| TC911ACOA | Monolithic Auto-Zeroed Operational Amplifers |
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