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參數(shù)資料
| 型號： | AK4550 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | LOW POWER & SMALL PACKAGE 16BIT CODEC |
| 中文描述： | 低功耗 |
| 文件頁數(shù)： | 4/15頁 |
| 文件大?。?/td> | 102K |
| 代理商： | AK4550 |
ASAHI KASEI
[AK4550]
M0068-E-01
2000/4
- 4 -
ANALOG CHARACTERISTICS
(Ta=25
°
C; VDD=2.5V; fs=44.1kHz; Signal Frequency=1kHz; SCLK=64fs; Measurement frequency=10Hz
～
20kHz;
unless otherwise specified)
Parameter
ADC Analog Input Characteristics:
Analog Source Impedance=470
(Note 2)
Resolution
S/(N+D) (-0.5dB Input)
D-Range (-60dB Input, A-weighted)
S/N (A-weighted)
Interchannel Isolation
Interchannel Gain Mismatch
Input Voltage (Note 3)
Input Resistance
Power Supply Rejection (Note 4)
DAC Analog Output Characteristics:
(Note 5)
Resolution
S/(N+D)
D-Range (-60dB Output, A-weighted)
S/N (A-weighted)
Interchannel Isolation
Interchannel Gain Mismatch
Output Voltage (Note 3)
Load Resistance
Load Capacitance
Power Supply Rejection (Note 4)
Power Supplies
Power Supply Current
AD+DA
AD
DA
Power down (Note 6)
PWAD = “L”, PWDA = “L”
Power Consumption
AD+DA
AD
DA
Power down (Note 6)
PWAD = “L”, PWDA = “L”
min
typ
max
Units
16
Bits
dB
dB
dB
dB
dB
Vpp
k
dB
72
82
82
80
82
89
89
95
0.2
1.50
100
35
0.5
1.65
1.35
50
16
Bits
dB
dB
dB
dB
dB
Vpp
k
pF
dB
75
86
86
80
85
92
92
95
0.2
1.50
0.5
1.65
1.35
10
30
50
PWAD = “H”, PWDA = “H”
PWAD = “H”, PWDA = “L”
PWAD = “L”, PWDA = “H”
10
5.6
5.6
10
15
8.4
8.4
50
mA
mA
mA
uA
PWAD = “H”, PWDA = “H”
PWAD = “H”, PWDA = “L”
PWAD = “L”, PWDA = “H”
25
14
14
25
37.5
21
21
125
mW
mW
mW
uW
Notes: 2. The offset of ADC is removed by internal HPF.
3. Input /Output of ADC and DAC scales with VDD voltage. 0.6 X VDD(typ).
4. PSR is applied to VDD with 1kHz, 50mV.
5. Measured by AD725C (SHIBASOKU). RMS mode.
6. In case of power-down mode, all digital input including clocks pins (MCLK, SCLK, LRCK) are held VDD
or VSS. But PWAD and PWDA pins are held VSS.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AK4550VT | 制造商:AKM 制造商全稱:AKM 功能描述:LOW POWER & SMALL PACKAGE 16BIT CODEC |
| AK4550VT-E2 | 制造商:Asahi Kasei Microsystems Co Ltd 功能描述: |
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| AK4551VT | 制造商:AKM 制造商全稱:AKM 功能描述:LOW POWER & SMALL PACKAGE 20BIT CODEC |
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