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PDF TDA1541 Data sheet ( Hoja de datos )
| Número de pieza | TDA1541 | |
| Descripción | Dual 16-bit DAC | |
| Fabricantes | NXP Semiconductors | |
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INTEGRATED CIRCUITS
DATA SHEET
TDA1541
Dual 16-bit DAC
Product specification
File under Integrated Circuits, IC01
November 1985
1 page  
Philips Semiconductors
Dual 16-bit DAC
Product specification
TDA1541
FUNCTIONAL DESCRIPTION
The TDA1541 accepts input sample formats in time multiplexed mode or simultaneous mode with any bit length.
The most significant bit (MSB) must always be first. This flexible input data format allows easy interfacing with signal
processing chips such as interpolation filters, error correction circuits, pulse code modulation adaptors and audio signal
processors (ASP).
The high maximum input bit-rate and fast settling time facilitates application in 4 × oversampling systems (44,1 kHz to
176,4 kHz) with the associated simple analogue filtering function (low order, linear phase filter).
Input data selection (see also Table 1)
With input OB/TWC connected to ground, data input (offset binary format) must be in time multiplexed mode. It is
accompanied with a word select (WS) and a bit clock input (BCK) signal. A separate system clock input (SCK) is provided
for accurate, jitter-free timing of the analogue outputs AOL and AOR.
With OB/TWC connected to VDD the mode is the same but data format must be in two’s complement.
When input OB/TWC is connected to (VDD1) the two channels of data (L/R) are input simultaneously via (DATA L) and
(DATA R), accompanied with BCK and a latch-enable input (LE). With this mode selected the data must be in offset
binary.
The format of data input signals is shown in figures 3, 4 and 5.
True 16-bit performance is achieved by each channel using three 2-bit active dividers, operating on the dynamic element
matching principle, in combination with a 10-bit passive current-divider, based on emitter scaling. All digital inputs are
TTL compatible.
Input data selection
OB/TWC
−5 V
0V
+5 V
MODE
simultaneous
time MUX OB
time MUX TWC
PIN 1
LE
WS
WS
PIN 2
BCK
BCK
BCK
PIN 3
DATA L
DATA OB
DATA TWC
PIN 4
DATA R
SCK
SCK
Where:
LE
WS
BCK
DATA L
DATA R
DATA OB
DATA TWC
MUX OB
MUX TWC
= latch enable
= word select
= bit clock
= data left
= data right
= data offset binary
= data two’s complement
= multiplexed offset binary
= multiplexed two’s complement
November 1985
5
5 Page 
Philips Semiconductors
Dual 16-bit DAC
PACKAGE OUTLINE
DhaInPdb2o8ok:, fpulllapasgetwicidthdual in-line package; 28 leads (600 mil)
Product specification
TDA1541
SOT117-1
D
L
Z
28
e
pin 1 index
ME
A2 A
A1
wM
b1
b
15
c
(e 1)
MH
E
1 14
0 5 10 mm
scale
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
UNIT
A
max.
A1
min.
A2
max.
b
b1
c
D (1)
E (1)
e
e1
L
ME MH
w
Z (1)
max.
mm
5.1 0.51 4.0
1.7
1.3
0.53
0.38
0.32
0.23
36.0
35.0
14.1
13.7
2.54 15.24
3.9
3.4
15.80 17.15
15.24 15.90
0.25
1.7
inches
0.20
0.020
0.16
0.066 0.020 0.013
0.051 0.014 0.009
1.41
1.34
0.56
0.54
0.10
0.60
0.15
0.13
0.62
0.60
0.68
0.63
0.01 0.067
Note
1. Plastic or metal protrusions of 0.25 mm maximum per side are not included.
OUTLINE
VERSION
SOT117-1
IEC
051G05
REFERENCES
JEDEC
EIAJ
MO-015AH
EUROPEAN
PROJECTION
ISSUE DATE
92-11-17
95-01-14
November 1985
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet TDA1541.PDF ] | |
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