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參數資料
| 型號： | THAT1420 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Balanced Line Drivers |
| 中文描述： | 平衡線驅動器 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 120K |
| 代理商： | THAT1420 |
THAT Corporation; 45 Sumner Street; Milford, Massachusetts 01757-1656; USA
Tel: +1 (508) 478-9200; Fax: +1 (508) 478-0990; Web: www.thatcorp.com
THAT
1420, 1430
Description
The THAT 1420 and 1430 are a new genera-
tion of audio differential line drivers with im-
proved
performance
cross-coupled monolithic designs.
exhibit low noise and distortion, high slew rate,
stability under difficult loads, wide output swing,
and have outputs which are short-circuit pro-
tected.
over
conventional
Both models
In addition both models incorporate patented
OutSmarts
sign that prevents the excessive ground currents
typical of cross-coupled output stages (CCOS)
when clipping into single-ended loads
1
.
technology, a dual feedback-loop de-
To overcome this problem, the THAT 1420
and 1430 use two individual negative-feedback
loops to separately control the differential output
voltage and common mode output currents, mak-
ing the design inherently more stable and less
sensitive to component tolerances than the CCOS.
Most importantly, the dual-feedback design pre-
vents the loss of common-mode feedback that
plagues the CCOS designs, avoiding the excessive
ground
currents
and
waveform that can result when driving sin-
gle-ended loads.
overly-distorted
output
Where minimum output offset voltage with
minimum parts count is desired, the THAT 1430
further improves over existing designs.
ventional CCOS circuits, two relatively high-value
electrolytic capacitors are required to reduce the
offset voltage. By contrast, the THAT 1430 topol-
ogy requires only a resistor and a single film or
ceramic capacitor to achieve the same effect at
lower parts count and price.
In con-
T H AT
Corporation
OutSmarts
Balanced Line Drivers
FEATURES
OutSmarts
clipping behavior into single-ended
loads
technology tames
Pin-compatible with SSM2142
Balanced, floating output delivers
transformer-like behavior
Stable when driving long cables
and capacitive loads
THAT 1430 delivers low output
offset voltage using single capacitor
APPLICATIONS
Differential Line Driver
Audio Mix Consoles
Distribution Amplifiers
Audio Equalizers
Dynamic Range Processors
Digital Effects Processors
Telecommunications Systems
Instrumentation
Hi-Fi Equipment
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 1. THAT 1420 Equivalent Circuit Diagram
1. See Gary Hebert’s paper, An Improved Balanced, Floating Output Driver IC, presented at the 108th AES Convention, Feb. 2000
DIP Pin
Number
SO Pin
Number
1420 Pin
Name
1430 Pin
Name
1
3
Out-
Out-
2
4
Sens-
Cap2
3
5
Gnd
Gnd
4
6
In
In
5
11
Vee
Vee
6
12
Vcc
Vcc
7
13
Sens+
Cap1
8
14
Out+
Out+
Table 1. THAT 1420/1430 pin assignments
相關PDF資料 |
PDF描述 |
|---|---|
| THAT1430 | Balanced Line Drivers |
| THAT1510 | Low Noise, High Performance Microphone Preamplifier IC |
| THAT1512 | Low Noise, High Performance Microphone Preamplifier IC |
| THAT4311 | Low-voltage, Low-power Analog Engine?? Dynamics Processor |
| THCT12016 | INCREMENTAL ENCODER INTERFACE |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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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