參數(shù)資料
型號(hào)： TDA1314T
廠商： NXP SEMICONDUCTORS
元件分類： DAC
英文描述： Quadruple filter DAC
中文描述： QUAD, SERIAL INPUT LOADING, 18-BIT DAC, PDSO28
封裝： PLASTIC, SO-28
文件頁數(shù)： 8/15頁
文件大小： 139K
代理商： TDA1314T
August 1994
9
Philips Semiconductors
Product specification
Quadruple filter DAC
TDA1314T
DC CHARACTERISTICS
V
DD
= 4.5 to 5.5 V; V
DDA
= V
DDO
= 4.75 to 5.25 V; all voltage referenced to ground (pins 6, 7 and 15); measured in test
circuit of Fig.6; T
amb
= 25
°
C; unless otherwise specified.
Note
1.
R
L
is the AC impedance of the external circuitry connected to the audio outputs in the application diagram of Fig.6.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
DDD
V
DDA
V
DDO
digital supply voltage
analog supply voltage
operational amplifier supply
voltage
digital supply current
analog supply current
operational amplifiers supply
current
total power dissipation
4.5
4.75
4.75
5.0
5.0
5.0
5.5
5.25
5.25
V
V
V
I
DDD
I
DDA
I
DDO
MCLK = 6.84 MHz
at digital silence
no operational amplifier
load resistor
MCLK = 6.84 MHz;
at digital silence;
no operational amplifier
load resistor
10
5
2
17
8
4
mA
mA
mA
P
tot
85
145
mW
V
IH
HIGH level input voltage
pins 1 to 5 and 23 to 26
LOW level input voltage
pins 1 to 5 and 23 to 26
HIGH level output voltage
pins 27 and 28
0.7V
DDD
V
V
IL
0.2V
DDD
V
V
OH
V
DDD
= 4.5 V; I
O
=
4 mA
V
DDD
= 5.5 V; I
O
=
4.5 mA 5.1
V
DDD
= 4.5 V; I
O
= 4 mA
V
DDD
= 5.5 V; I
O
= 4.5 mA
with respect to OGND
with respect to V
DDO
with respect to OGND
with respect to OGND
R
ref
= 20.5 k
; V
DDO
= 5 V
4.1
0.5V
DDO
20
20
0.5V
DDO
500
0.4
0.4
0.55V
DDO
30
30
0.57V
DDO
600
V
V
V
V
V
k
k
V
μ
A
V
OL
LOW level output voltage
pins 27 and 28
0.45V
DDO
15
15
0.43V
DDO
400
V
ref
Z
I
reference input voltage
input impedance at pin 21
V
I
I
ODAC(max)
input voltage pin 14
maximum output current
from DACs pins 10, 12, 17
and 19
DC offset voltage at pins 10,
12, 17 and 19
HIGH level output voltage of
operational amplifiers at
pins 11, 13, 18 and 20
LOW level output voltage of
operational amplifiers at
pins 11, 13, 18 and 20
internal resistance at pin 22
internal resistance at
pins 1 to 3 and 23
V
O(os)
with respect to V
ref
5
mV
V
OH(O)
note 1; R
L
> 5 k
;
R
fb
= 3 k
;
maximum signal
note 1; R
L
> 5 k
;
R
fb
= 3 k
;
maximum signal
with respect to V
DDO
V
i
= V
DDD
; with respect to
DGND
V
DDO
1.3 V
DDO
1 V
DDO
0.45 V
V
OL(O)
0.45
1.0
1.3
V
R
pu
R
pd
110
27
160
240
80
k
k
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