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參數(shù)資料
| 型號(hào)： | MAT02AH/883C |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 小信號(hào)晶體管 |
| 英文描述： | 20 mA, 40 V, 2 CHANNEL, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-78 |
| 封裝： | TO-78, 6 PIN |
| 文件頁數(shù)： | 4/12頁 |
| 文件大小： | 264K |
| 代理商： | MAT02AH/883C |
MAT02
–12–
REV. C
000000000
PRINTED
IN
U.S.A.
current. A set resistor of 549 k
was found to provide the best
step response for this circuit. The resultant supply current is
found from:
RSET =
V
+
()– V –
()–2V
BE
()
ISET
, I SY =15 ISET
(22)
The ISET, using ± 15 V supplies and an RSET of 549 k, is ap-
proximately 52
A which will result in supply current of 784 A.
Dynamic range of this amplifier is excellent; the OP32 has an
output voltage swing of
±14 V with a ±15 V supply.
Input characteristics are outstanding. The MAT02F has offset
voltage of less than 150
V at 25°C and a maximum offset drift
of 1
V/°C. Nulling the offset will further reduce offset drift.
This can be accomplished by slightly unbalancing the collector
load resistors. This adjustment will reduce the drift to less than
0.1
V/°C.
Input bias current is relatively low due to the high current gain
of the MAT02. The minimum
β of 400 at 1 mA for the
MAT02F implies an input bias current of approximately 2.5
A.
This circuit should be used with signals having relatively low
source impedance. A high source impedance will degrade offset
and noise performance.
This circuit configuration provides exceptionally low input noise
voltage and low drift. Noise can be reduced even further by rais-
ing the collector currents from 1 mA to 3 mA, but power con-
sumption is then increased.
Transistors Q2 and Q3 form a 2 mA current source (0.65 V/
330
~ 2 mA). Each collector of Q1 operates at 1 mA. The
OP32 inputs are 3 V below the positive supply voltage (RLIC
~ 3 V). The OP32’s low input offset current, typically less than
1 nA, and low offset voltage of 1 mV cause negligible error
when referred to the amplifier input. Input stage gain is gmRL,
which is approximately 100 when operating at IC of 1 mA with
RL of 3 k
. Since the OP32 has a minimum open-loop gain of
500,000, total open-loop gain for the composite amplifier is
over 50 million. Even at closed-loop gain of 1000, the gain er-
ror due to finite open-loop gain will be negligible. The OP32
features excellent symmetry of slew-rate and very linear gain.
Signal distortion is minimal.
Frequency compensation is very easy with this circuit; just vary
the set-resistor RS for the desired frequency response.
Gain-bandwidth of the OP32 varies directly with the supply
OUTLINE DIMENSION
Dimensions shown in inches and (mm).
6-Lead Metal Can
(TO-78)
0.250 (6.35) MIN
0.750 (19.05)
0.500 (12.70)
0.185 (4.70)
0.165 (4.19)
REFERENCE PLANE
0.050 (1.27) MAX
0.019 (0.48)
0.016 (0.41)
0.021 (0.53)
0.016 (0.41)
0.045 (1.14)
0.010 (0.25)
0.040 (1.02) MAX
BASE & SEATING PLANE
0.335
(8.51)
0.305
(7.75)
0.370
(9.40)
0.335
(8.51)
0.034 (0.86)
0.027 (0.69)
0.045 (1.14)
0.027 (0.69)
0.160 (4.06)
0.110 (2.79)
0.100 (2.54) BSC
5
2
6
4
3
1
0.200
(5.08)
BSC
0.100
(2.54)
BSC
45
° BSC
Figure 23. Fast Logarithmic Amplifier
Figure 24. Low-Noise, Single-Ended X1000 Amplifier
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAT02AH/883 | 20 mA, 40 V, 2 CHANNEL, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-78 |
| MAT-02AH/883 | 20 mA, 40 V, 2 CHANNEL, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-78 |
| MAT-02AH | 20 mA, 40 V, 2 CHANNEL, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-78 |
| MAT02BRC/883 | 20 mA, 40 V, 2 CHANNEL, NPN, Si, SMALL SIGNAL TRANSISTOR |
| MAT02AH/883 | 20 mA, 40 V, 2 CHANNEL, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-78 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAT02BH | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MAT02BH/883C | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MAT02BIEH | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MAT02BRC/883C | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MAT02EH | 制造商:Analog Devices 功能描述:AMPLIFIER IC NUMBER OF CIRCUITS:2 |
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