参数资料
型号: UDA1380TT
厂商: NXP SEMICONDUCTORS
元件分类: 消费家电
英文描述: Stereo audio coder-decoder for MD, CD and MP3
中文描述: SPECIALTY CONSUMER CIRCUIT, PDSO32
封装: 6.10 MM, 0.65 MM PITCH, PLASTIC, MO-153, SOT-487-1, TSSOP-32
文件页数: 48/68页
文件大小: 426K
代理商: UDA1380TT
2004 Apr 22
52
NXP Semiconductors
Product specification
Stereo audio coder-decoder
for MD, CD and MP3
UDA1380
Notes
1. All supply connections must be made to the same power supply unit.
2. When the supply voltages are below 2.7 V and the headphone load impedance is 16
Ω, it is recommended to limit
the DAC and the headphone output to less than -2 dB, otherwise clipping may occur.
3. VDDA =VDDA(DA) =VDDA(AD).
4. When higher capacitive loads must be driven, a 100
Ω resistor must be connected in series with the DAC output in
order to prevent oscillations in the output operational amplifier.
Digital input pins (5 V tolerant TTL compatible)
VIH
HIGH-level input voltage
2.0
5.5
V
VIL
LOW-level input voltage
0.5
+0.8
V
I
LI
input leakage current
1
μA
Ci
input capacitance
10
pF
Digital output pins
VOH
HIGH-level output voltage
IOH = 2 mA
0.85VDDD
V
VOL
LOW-level output voltage
IOL =2mA
0.4
V
Reference voltage
VREF
reference voltage
with respect to VSSA(AD); note 3
0.45VDDA 0.5VDDA
0.55VDDA V
Ro(VREF)
output resistance on
pin VREF
12.5
k
Ω
Analog-to-digital converter
VADCP
positive reference voltage
of the ADC
VDDA(AD)
V
VADCN
negative reference voltage
of the ADC
0
V
Ri
input resistance
12
k
Ω
Ci
input capacitance
24
pF
Digital-to-analog converter
RL
load resistance
3
k
Ω
CL
load capacitance
note 4
50
pF
Power consumption (supply voltage 3.0 V; fs =48kHz)
Ptot
total power dissipation
playback mode
(without headphone)
24
mW
playback mode (with headphone)
27
mW
record mode (audio)
39
mW
record mode (speech)
30
mW
record mode (audio and speech)
40
mW
full operation
69
mW
Power-down mode
6
μW
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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