參數(shù)資料
型號(hào)： THAT1420
廠商： Electronic Theatre Controls, Inc.
英文描述： Balanced Line Drivers
中文描述： 平衡線驅(qū)動(dòng)器
文件頁(yè)數(shù)： 3/8頁(yè)
文件大?。?/td> 120K
代理商： THAT1420
Theory of Operation
OutSmarts
technology
The THAT 1420 and 1430 are similar devices,
both employing the OutSmarts topology, a variation
of circuitry originally developed at Audio Toys, Inc.
OutSmarts topology employs two negative-feedback
loops -- one to control the differential signal, and a
separate loop to control the common mode output
levels.
Figures 2 and 3 show the gain core common to
both the THAT 1420 and 1430. The gain core is a
single amplifier that includes two differential input
pairs, C
in+/-
and D
in+/-
, and complementary outputs,
V
out+
and V
out-,
related to each other by two gain ex-
pressions, A
D
(s) and A
C
(s). The first pair of differen-
tial inputs, D
in+/-
, are connected to the differential
feedback network between the outputs and the input
signal.
The second differential input pair, C
in+/-
, is
connected to a bridge circuit which generates an er-
ror signal that is used to servo the common-mode be-
havior of the outputs. The loop equations are then,
D
D
D
A
D
D
OUT
OUT
OUT
D
IN
IN
where A
D
is the differential open-loop gain, and
D
D
D
A
C
C
OUT
OUT
OUT
C
IN
IN
where A
C
is the common-mode open-loop gain.
THAT Corporation; 45 Sumner Street; Milford, Massachusetts 01757-1656; USA
Tel: +1 (508) 478-9200; Fax: +1 (508) 478-0990; Web: www.thatcorp.com
Rev. 4/24/01
Preliminary Information
Page 3
Electrical Characteristics (cont’d.)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Units
Differential Output Offset
V
OOD
R
L
=600
-10
±4
10
mV
Differential Output
Voltage Swing,Pos
V
IN
= ±18V
V
CC
-2
V
Differential Output
Voltage Swing,Neg
V
IN
= ±18V
V
EE
+2
V
Output Impedance
Z
O
40
50
60
Quiescent Supply Current
I
S
Unloaded, V
IN
= 0
4
5.2
mA
Short Circuit Output Current
I
SC
60
70
mA
Voltage Supply Range
±4
±18
V
Din+
Cin+
Cin-
Din-
Out-
Sens+
Out+
Sens-
Vcc
In+
Vee
Gnd
Dout-
Dout+
10k
10k
50
5k
5k
10k
10k
10k
10k
20k
20k
10p
50
THAT 1420
C
EXT
C
EXT
D
C
A
A
&
Figure 2. THAT 1420 Equivalent Circuit Diagram
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
THAT1430 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Balanced Line Drivers
THAT1510 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Low Noise, High Performance Microphone Preamplifier IC
THAT1510P08-U 制造商:THAT CORPORATION 功能描述:IC PRE-AMP MICROPHONE 1510 DIP8 制造商:THAT CORPORATION 功能描述:IC, PRE-AMP, MICROPHONE, 1510, DIP8 制造商:THAT CORPORATION 功能描述:IC, PRE-AMP, MICROPHONE, DIP-8; Audio Control Type:Microphone; Supply Voltage Range: 5V to 20V; Control Interface:-; Audio IC Case Style:DIP; No. of Pins:8; Operating Temperature Min:-40C; Operating Temperature Max:85C ;RoHS Compliant: Yes
THAT1510S08-U 制造商:THAT CORPORATION 功能描述:PREAMP MICROPHONE SMD 1510 SO8 制造商:THAT CORPORATION 功能描述:PREAMP, MICROPHONE, SMD, 1510, SO8 制造商:THAT CORPORATION 功能描述:PREAMP, MICROPHONE, SMD, 1510, SO8; Supply Voltage Range: 5V to 20V; Audio IC Case Style:SOIC; No. of Pins:8; Operating Temperature Min:-40C; Operating Temperature Max:85C; Bandwidth:7MHz; Base Number:1510; Control / Process ;RoHS Compliant: Yes
THAT1510S14-U 制造商:THAT CORPORATION 功能描述:PRE-AMP MICROPHONE 1510 SO-14 制造商:THAT CORPORATION 功能描述:PRE-AMP, MICROPHONE, 1510, SO-14 制造商:THAT CORPORATION 功能描述:PRE-AMP, MICROPHONE, 1510, SO-14; Supply Voltage Range: 5V to 20V; Audio IC Case Style:SOIC; No. of Pins:14; Operating Temperature Min:-40C; Operating Temperature Max:85C; Bandwidth:7MHz; Base Number:1510; Control / Process ;RoHS Compliant: Yes
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