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PDF TDA844 Data sheet ( Hoja de datos )
| Número de pieza | TDA844 | |
| Descripción | Octuple 6-bit DACs with I2C-bus | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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INTEGRATED CIRCUITS
DATA SHEET
TDA8444; TDA8444T;
TDA8444AT
Octuple 6-bit DACs with I2C-bus
Product specification
Supersedes data of March 1991
File under Integrated Circuits, IC01
1999 Apr 29
1 page  
Philips Semiconductors
Octuple 6-bit DACs with I2C-bus
Product specification
TDA8444; TDA8444T;
TDA8444AT
handbook, halfpage
VCC 1
VMAX 2
SDA 3
20 DAC7
19 n.c.
18 DAC6
SCL 4
17 DAC5
n.c. 5
16 DAC4
TDA8444AT
n.c. 6
15 DAC3
A0 7
14 DAC2
A1 8
13 DAC1
A2 9
12 n.c.
VEE 10
11 DAC0
MGL532
Fig.4 Pin configuration (TDA8444AT; SO20).
FUNCTIONAL DESCRIPTION
I2C-bus interface
The I2C-bus interface is a receive-only slave, which accepts data according the format shown in Table 1.
Table 1 I2C-bus format (see note 1)
S 0 1 0 0 A2 A1 A0 0 A I3 I2 I1 I0 SD SC SB SA A X X D5 D4 D3 D2 D1 D0 A P
Note
1. S = START condition; A2 to A0 = programmable address bits; A = Acknowledge; I3 to I0 = Instruction bits;
SD to SA = subaddress bits; X = don’t care; D5 to D0 = data bits; P = STOP condition.
Valid addresses are:
TDA8444 and TDA8444AT: 40H, 42H, 44H, 46H, 48H, 4AH, 4CH and 4EH
TDA8444T: 48H, 4AH, 4CH and 4EH (A2 is always logic 1).
All other addresses cannot be acknowledged by the circuit. The actual slave address depends on the programmable
address bits A2, A1 and A0. This way up to eight circuits can be used on one I2C-bus.
Valid instructions are: 00H to 0FH; F0H to FFH.
1999 Apr 29
5
5 Page 
Philips Semiconductors
Octuple 6-bit DACs with I2C-bus
SO16: plastic small outline package; 16 leads; body width 7.5 mm
Product specification
TDA8444; TDA8444T;
TDA8444AT
SOT162-1
D
y
Z
16
c
9
EA
X
HE v M A
pin 1 index
1
e
8
wM
bp
A2
A1
Q
(A3)
A
Lp
L
detail X
θ
0 5 10 mm
scale
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
A
UNIT max. A1 A2 A3 bp
c
D (1) E (1)
e
HE
L
Lp
Q
mm
2.65
0.30
0.10
2.45
2.25
0.25
0.49
0.36
0.32
0.23
10.5
10.1
7.6
7.4
1.27
10.65
10.00
1.4
1.1
0.4
1.1
1.0
inches
0.10
0.012 0.096
0.004 0.089
0.01
0.019 0.013
0.014 0.009
0.41
0.40
0.30
0.29
0.050
0.419
0.394
0.055
0.043
0.016
0.043
0.039
v
0.25
0.01
w y Z (1)
0.25 0.1
0.9
0.4
0.01
0.004
0.035
0.016
θ
8o
0o
Note
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
OUTLINE
VERSION
SOT162-1
IEC
075E03
REFERENCES
JEDEC
EIAJ
MS-013AA
EUROPEAN
PROJECTION
ISSUE DATE
95-01-24
97-05-22
1999 Apr 29
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet TDA844.PDF ] | |
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