參數(shù)資料
型號: UDA1345
廠商: NXP Semiconductors N.V.
元件分類: Codec
英文描述: Economy audio CODEC
中文描述: 經(jīng)濟音頻CODEC
文件頁數(shù): 17/28頁
文件大?。?/td> 126K
代理商: UDA1345
2000 Apr 18
17
Philips Semiconductors
Preliminary specification
Economy audio CODEC
UDA1345TS
DC CHARACTERISTICS
V
DDD
= V
DDA
= V
DDO
= 3.0 V; f
s
= 44.1 kHz; T
amb
= 25
°
C; R
L
= 5 k
; note 1; all voltages referenced to ground
(pins 1, 11, 22 and 27); unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supplies
V
DDA(ADC)
V
DDA(DAC)
V
DDD
I
DDA(ADC)
ADC analog supply voltage
DAC analog supply voltage
digital supply voltage
ADC analog supply current
2.4
2.4
2.4
3.0
3.0
3.0
10
100
4
50
2.5
200
5.0
300
3.6
3.6
3.6
V
V
V
mA
μ
A
mA
μ
A
mA
μ
A
mA
μ
A
operating mode
ADC power-down
operating mode
DAC power-down
operating mode
DAC power-down
operating mode
ADC and DAC
power-down
I
DDA(DAC)
DAC analog supply current
I
DDO(DAC)
DAC operational amplifier supply
current
digital supply current
I
DDD
Digital input pins (5V tolerant TTL compatible)
V
IH
HIGH-level input voltage
V
IL
LOW-level input voltage
V
IH(th)
HIGH-level threshold input
voltage
V
IL(th)
LOW-level threshold input voltage
V
hys
Schmitt trigger hysteresis voltage
I
LI
input leakage current
C
i
input capacitance
3-level input pins (MP2; MP4)
V
IH
HIGH-level input voltage
V
IM
MIDDLE-level input voltage
V
IL
LOW-level input voltage
Digital output pins
V
OH
HIGH-level output voltage
V
OL
LOW-level output voltage
Analog-to-digital converter
V
ref(A)
reference voltage
R
o(ref)
V
ref(A)
reference output resistance
R
i
input resistance
C
i
input capacitance
2.0
0.5
1.3
5.0
0.8
1.9
V
V
V
0.9
0.4
1.35
0.7
10
10
V
V
μ
A
pF
0.9V
DDD
0.4V
DDD
0.5
V
DDD
+ 0.5 V
0.6V
DDD
+0.5
V
V
I
OH
=
2 mA
I
OL
= 2 mA
0.85V
DDD
0.4
V
V
with respect to V
SSA
0.45V
DDA
0.5V
DDA
0.55V
DDA
24
12
20
V
k
k
pF
f
i
= 1 kHz
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