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參數(shù)資料
| 型號： | TC7650 |
| 廠商： | TelCom Semiconductor, Inc. |
| 英文描述： | Wallmount ULTRX Series Fiberglass Enclosure; NEMA Type:1, 2, 4, 4X, 12, 13; Enclosure Material:Fiberglass; External Height:20.2"; External Width:16.22"; External Depth:12.64"; Enclosure Color:Light Gray; Leaded Process Compatible:No |
| 中文描述： | 斬波穩(wěn)定運算放大器 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 90K |
| 代理商： | TC7650 |
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TELCOM SEMICONDUCTOR, INC.
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CHOPPER-STABILIZED OPERATIONAL AMPLIFIER
TC7650
GENERAL DESCRIPTION
The TC7650 CMOS chopper-stabilized operational
amplifier practically removes offset voltage error terms
from system error calculations. The 5
μ
V maximum V
OS
specification, for example, represents a 15 times improve-
ment over the industry-standard OP07E. The 50nV/
°
C off-
set drift specification is over 25 times lower than the OP07E.
The increased performance eliminates V
OS
trim proce-
dures, periodic potentiometer adjustment and the reliability
problems caused by damaged trimmers.
The TC7650 performance advantages are achieved
without the additional manufacturing complexity and cost
incurred with laser or "zener zap" V
OS
trim techniques.
The TC7650 nulling scheme corrects both DC V
OS
errors and V
OS
drift errors with temperature. A nulling
amplifier alternately corrects its own V
OS
errors and the main
amplifier V
OS
error. Offset nulling voltages are stored on two
user-supplied external capacitors. The capacitors connect
to the internal amplifier V
OS
null points. The main amplifier
input signal is never switched. Switching spikes are not
present at the TC7650 output.
The 14-pin dual-in-line package (DIP has an external
oscillator input to drive the nulling circuitry for optimum noise
performance. Both the 8 and 14-pin DIPs have an output
voltage clamp circuit to minimize overload recovery time.
PIN CONFIGURATIONS
FEATURES
I
Low Input Offset Voltage ......................... 0.7
μ
V Typ
I
Low Input Offset Voltage Drift ......... 0.05
μ
V/
°
C Max
I
Low Input Bias Current ............................ 10pA Max
I
High Impedance Differential CMOS Inputs.... 10
12
I
High Open-Loop Voltage Gain................ 120dB Min
I
Low Input Noise Voltage ............................2.0
μ
Vp-p
I
High Slew Rate.......................................... 2.5V/
μ
sec
I
Low-Power Operation..................................... 20mW
I
Output Clamp Speeds Recovery Time
I
Compensated Internally for Stable Unity Gain
Operation
I
Direct Replacement for ICL7650
I
Available in 8-Pin Dip and 14-Pin Dip
FUNCTIONAL BLOCK DIAGRAM
ORDERING INFORMATION
Temperature
Range
Max
V
OS
Part No.
Package
TC7650CPA
TC7650CPD
8-Pin Plastic DIP
14-Pin Plastic DIP
0
°
C to +70
°
C
0
°
C to +70
°
C
5
μ
V
5
μ
V
TC7650
NULL
NULL
INPUTS
OUTPUT
CLAMP
OUTPUT
B
B
A
CEXT
CEXT
FOR 8-PIN DIP, CONNECT TO VSS
NULL
AMPLIFIER
MAIN
AMPLIFIER
OUTPUT CLAMP
CIRCUIT
INTERMOD
COMPENSATION
OSCILLATOR
A
B
INT/EXT
EXT CLK IN
CLK OUT
14-PIN DIP ONLY
B
A
CRET
*
*
TC7650-5 9/11/96
1
2
3
4
5
6
7
14
13
12
11
10
9
8
C
NC
(GUARD)
INPUT
(–)
8-Pin DIP
V
SS
V
SS
INT/EXT
EXT CLK
INPUT
INT CLK
OUTPUT
V
DD
OUTPUT
OUTPUT
CLAMP
C
RETN
B
C
A
TC7650CPD
1
2
3
4
8
7
6
5
C
OUTPUT
A
V
DD
TC7650CPA
INPUT
INPUT
C
B
(+)
(–)
CLAMP
INPUT
(+)
NC
(GUARD)
14-Pin DIP
NC = NO INTERNAL CONNECTION
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TC7652 | LOW NOISE, CHOPPER-STABILIZED OPERATIONAL AMPLIFIER |
| TC7652 | Low Noise, Chopper Stabilized Operational Amplifier |
| TC7652CPA | Low Noise, Chopper Stabilized Operational Amplifier |
| TC7652CPD | Low Noise, Chopper Stabilized Operational Amplifier |
| TC7652CPA | LOW NOISE, CHOPPER-STABILIZED OPERATIONAL AMPLIFIER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC7650_13 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Chopper Stabilized Operational Amplifier |
| TC7650CPA | 功能描述:運算放大器 - 運放 Low VOS CMOS RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| TC7650CPD | 功能描述:運算放大器 - 運放 Low VOS CMOS RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| TC7650IJA | 功能描述:運算放大器 - 運放 Low VOS CMOS RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| TC7650IJD | 功能描述:運算放大器 - 運放 Low VOS CMOS RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
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