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AK4554 Folha de dados(PDF) 5 Page - Asahi Kasei Microsystems

Nome de Peças AK4554
Descrição Electrónicos  Low Power & Small Package 16bit ?誇 CODEC
Download  17 Pages
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Fabricante Electrônico  AKM [Asahi Kasei Microsystems]
Página de início  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems

AK4554 Folha de dados(HTML) 5 Page - Asahi Kasei Microsystems

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ASAHI KASEI
[AK4554]
MS0325-E-01
2005/08
- 5 -
ANALOG CHARACTERISTICS
(Ta=25
°C; VDD=2.5V; fs=44.1kHz; Signal Frequency=1kHz; SCLK=64fs; Measurement frequency=20Hz ∼ 20kHz;
unless otherwise specified)
Parameter
min
typ
max
Units
ADC Analog Input Characteristics: (Note 2)
Resolution
-
-
16
Bits
S/(N+D)
(
−0.5dB Input)
70
80
-
dB
D-Range
(
−60dB Input, A-weighted)
82
89
-
dB
S/N
(A-weighted)
82
89
-
dB
Interchannel Isolation
80
95
-
dB
Interchannel Gain Mismatch
-
0.2
0.5
dB
Input Voltage
(Note 3)
1.35
1.50
1.65
Vpp
Input Resistance
40
70
-
k
Power Supply Rejection
(Note 4)
-
45
-
dB
DAC Analog Output Characteristics:
Resolution
-
-
16
Bits
S/(N+D)
75
85
-
dB
D-Range
(
−60dB Output, A-weighted)
86
92
-
dB
S/N
(A-weighted)
86
92
-
dB
Interchannel Isolation
80
95
-
dB
Interchannel Gain Mismatch
-
0.2
0.5
dB
Output Voltage
(Note 3)
1.35
1.50
1.65
Vpp
Load Resistance
10
-
-
k
Load Capacitance
-
-
30
pF
Power Supply Rejection
(Note 4)
-
50
-
dB
Power Supplies
Power Supply Current
AD+DA
PWADN= “H”, PWDAN= “H”
-
8
13
mA
AD
PWADN= “H”, PWDAN= “L”
-
4
-
mA
DA
PWADN= “L”, PWDAN= “H”
-
4.4
-
mA
Power down (Note 5)
PWADN= “L”, PWDAN= “L”
-
10
50
µA
Power Consumption
AD+DA
PWADN= “H”, PWDAN= “H”
-
20
32.5
mW
AD
PWADN= “H”, PWDAN= “L”
-
10
-
mW
DA
PWADN= “L”, PWDAN= “H”
-
11
-
mW
Power down (Note 5)
PWADN= “L”, PWDAN= “L”
-
25
125
µW
Note 2. The offset of ADC is removed by internal HPF.
Note 3. Input/Output of ADC and DAC scales with VDD voltage. 0.6 x VDD(typ).
Note 4. PSR is applied to VDD with 1kHz, 50mV. No signal is input to AINL/R pins and “0” data is input to SDTI pin.
Note 5. In case of power-down mode, all digital input including clocks pins (MCLK, SCLK and LRCK) are held to VDD
or VSS. PWADN and PWDAN pins are held to VSS.


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