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參數(shù)資料
| 型號： | CA3130BT |
| 英文描述： | BiMOS Operational Amplifier with MOSFET Input/CMOS Output(617.33 k) |
| 中文描述： | BiMOS運算放大器MOSFET的輸入/ CMOS輸出（617.33十一） |
| 文件頁數(shù)： | 4/15頁 |
| 文件大?。?/td> | 617K |
| 代理商： | CA3130BT |
2-111
CA3130, CA3130A
FIGURE 1. SCHEMATIC DIAGRAM OF THE CA3130 SERIES
3
2
1
8
4
6
7
Q1
Q2
Q4
D1
D2
D3
D4
Q3
Q5
D5
D6
D7
D8
Q9
Q10
Q6
Q7
5
Z1
8.3V
INPUT STAGE
R3
1k
R4
1k
R6
1k
R5
1k
NON-INV.
INPUT
INV.-INPUT
+
-
R1
40k
5k
R2
BIAS CIRCUIT
CURRENT SOURCE FOR
Q6 AND Q7
“CURRENT SOURCE
LOAD” FOR Q11
V+
OUTPUT
OUTPUT
STAGE
Q8
Q12
V-
Q11
SECOND
STAGE
OFFSET NULL
COMPENSATION
STROBING
NOTE: DIODES D5 THROUGH D8 PROVIDE GATE-OXIDE
PROTECTION FOR MOSFET INPUT STAGE
Circuit Description
Figure 2 is a block diagram of the CA3130 Series CMOS
Operational Amplifiers. The input terminals may be operated
down to 0.5 V below the negative supply rail, and the output
can be swung very close to either supply rail in many appli-
cations. Consequently, the CA3130 Series circuits are ideal
for single-supply operation. Three Class A amplifier stages,
having the individual gain capability and current consump-
tion shown in Figure 2, provide the total gain of the CA3130.
A biasing circuit provides two potentials for common use in
the first and second stages. Term. 8 can be used both for
phase compensation and to strobe the output stage into qui-
escence. When Term. 8 is tied to the negative supply rail
(Term. 4) by mechanical or electrical means, the output
potential at Term. 6 essentially rises to the positive supply-
rail potential at Term. 7. This condition of essentially zero
current drain in the output stage under the strobed “OFF”
condition can only be achieved when the ohmic load resis-
tance presented to the amplifier is very high (e.g.,when the
amplifier output is used to drive CMOS digital circuits in
Comparator applications).
Input Stages
The circuit of the CA3130 is shown in Figure 1. It consists of
a differential-input stage using PMOS field-effect transistors
(Q6, Q7) working into a mirror-pair of bipolar transistors (Q9,
Q10) functioning as load resistors together with resistors R3
through R6. The mirror-pair transistors also function as a dif-
ferential-to-single-ended converter to provide base drive to
the second-stage bipolar transistor (Q11). Offset nulling,
when desired, can be effected by connecting a 100,000
potentiometer across Terms. 1 and 5 and the potentiometer
slider arm to Term. 4. Cascade-connected PMOS transistors
Q2, Q4 are the constant-current source for the input stage.
The biasing circuit for the constant-current source is subse-
quently described. The small diodes D5 through D8 provide
gate-oxide protection against high-voltage transients, includ-
ing static electricity during handling for Q6 and Q7.
Second-Stage
Most of the voltage gain in the CA3130 is provided by the
second amplifier stage, consisting of bipolar transistor Q11
and its cascade-connected load resistance provided by
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CA3130E | 功能描述:IC OPAMP BIMOS SGL 15MHZ 8-DIP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:1,000 系列:- 放大器類型:電壓反饋 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應商設(shè)備封裝:14-SOIC 包裝:帶卷 (TR) |
| CA3130E11 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CA3130EX | 制造商:Rochester Electronics LLC 功能描述:BIMOS OP AMP MOSFET IN/ CMOS OUT BURN-IN 8 PDIP COM - Bulk |
| CA3130EZ | 功能描述:運算放大器 - 運放 W/ANNEAL OPAMP 15MHZ LWBIAS 0 03NA MIL 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 |
| CA3130M | 功能描述:IC OP AMP 15MHZ BIMOS 8-SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:1 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:2pA 電壓 - 輸入偏移:1000µV 電流 - 電源:85µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 6 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應商設(shè)備封裝:14-SOICN 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:680 (CN2011-ZH PDF) 其它名稱:MCP6L04T-E/SLCT |
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