UMA1021M/C2 Philips Semiconductors (Acquired by NXP), UMA1021M/C2 Datasheet - Page 52

• Manufacturer Part Number: UMA1021M/C2
• Description: UDA1380; Stereo Audio Coder-decoder For MD, CD And MP3
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
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 , it is recommended to limit
3. V
4. When higher capacitive loads must be driven, a 100
2003 Apr 04
SYMBOL
Digital input pins (5 V tolerant TTL compatible)
V
V
C
Digital output pins
V
V
Reference voltage
V
R
Analog-to-digital converter
V
V
R
C
Digital-to-analog converter
R
C
Power consumption (supply voltage 3.0 V; f
P
I
IH
IL
OH
OL
REF
ADCP
ADCN
tot
i
o(VREF)
i
i
L
L
Stereo audio coder-decoder
for MD, CD and MP3
LI
the DAC and the headphone output to less than -2 dB, otherwise clipping may occur.
order to prevent oscillations in the output operational amplifier.
DDA
= V
HIGH-level input voltage
LOW-level input voltage
input leakage current
input capacitance
HIGH-level output voltage
LOW-level output voltage
reference voltage
output resistance on
pin V
positive reference voltage
of the ADC
negative reference voltage
of the ADC
input resistance
input capacitance
load resistance
load capacitance
total power dissipation
DDA(DA)
REF
PARAMETER
= V
DDA(AD)
.
I
I
with respect to V
note 4
playback mode
(without headphone)
playback mode (with headphone)
record mode (audio)
record mode (speech)
record mode (audio and speech)
full operation
Power-down mode
OH
OL
= 2 mA
= 2 mA
s
= 48 kHz)
CONDITIONS
SSA(AD)
52
resistor must be connected in series with the DAC output in
; note 3
2.0
0.85V
0.45V
3
0.5
MIN.
DDD
DDA
0.5V
12.5
V
0
12
24
24
27
39
30
40
69
6
DDA(AD)
TYP.
DDA
Product specification
5.5
+0.8
1
10
0.4
0.55V
50
UDA1380
MAX.
DDA
V
V
pF
V
V
V
k
V
V
k
pF
k
pF
mW
mW
mW
mW
mW
mW
UNIT
A
W