AD5354 Datasheet PDF - AKM
| Part Number | AD5354 | |
| Description | Low Power 20bit | |
| Manufacturers | AKM | |
| Logo |  |
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There is a preview and AD5354 download ( pdf file ) link at the bottom of this page. Total 19 Pages | ||
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ASAHI KASEI
[AK5354]
AK5354
Low Power 20bit ∆Σ ADC with PGA
FEATURES
The AK5354 is a low voltage 20bit A/D converter for digital audio system. The AK5354 also includes
Analog input PGA, therefore is suitable for microphone application and etc. As digital power supply of the
AK5354 corresponds to 1.8V, the interface with microprocessor can operate at low voltage. Analog signal
input of the AK5354 is single-ended, therefore, any external filters are not required. As the package is
16pin TSSOP, the AK5354 is a suitable for minimizing system.
FEATURES
1. Resolution : 20bits
2. Recording Functions
• 2-Stereo Inputs Selector
• Analog Input PGA
• Monaural Mixing
• Digital HPF for DC-offset cancellation (fc=3.4Hz@fs=44.1kHz)
3. ADC Characteristics
• Input Level : 1.5Vpp@VA=2.5V (= 0.6 x VA)
• S/(N+D) : 84dB
• DR, S/N : 89dB
4. 3-wire Serial Control I/F
5. Master Clock : 256fs/384fs
6. Audio Data Format : MSB First, 2’s compliment
• 20bit MSB justified or I2S
8. Power Supply
• VA : 2.1 ∼ 3.3V (typ. 2.5V)
• VD : 1.8 ∼ 3.3V (typ. 2.5V)
9. Power Supply Current
• IPGA + ADC : 7mA
10. Ta = -40 ∼ 85°C
11. Package : 16pin TSSOP
LIN1
LIN2
RIN1
RIN2
VCOM
VA
VSS
IPGA
ADC
HPF
Audio I/F
Controller
Control Register I/F
Clock Divider
LRCK
BCLK
SDTO
VD
PDN
CSN CCLK CDTI
MCLK
MS0054-E-02
-1-
2004/12
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ASAHI KASEI
[AK5354]
FILTER CHARACTERISTICS
(Ta=25°C; VA=2.1 ∼ 3.3V, VD=1.8 ∼ 3.3; fs=44.1kHz)
Parameter
Symbol
min
typ
ADC Digital Filter (Decimation LPF):
Passband
(Note 5) ±0.1dB
PB
0
-1.0dB
20.0
-3.0dB
21.1
Stopband
(Note 5)
SB
27.0
Passband Ripple
PR
Stopband Attenuation
SA 65
Group Delay
(Note 6)
GD
17.0
Group Delay Distortion
∆GD
0
ADC Digital Filter (HPF):
Frequency Response (Note 5) -3dB
FR
3.4
-0.5dB
10
-0.1dB
22
max Units
17.4 kHz
kHz
kHz
kHz
±0.1 dB
dB
1/fs
µs
Hz
Hz
Hz
Note:5. The passband and stopband frequencies scale with fs (sampling frequency).
For examples, PB=0.454 x fs(@ADC: -1.0dB), PB=0.454 x fs(@DAC: -0.1dB).
Note: 6. The calculating delay time which occurred by digital filtering. This time is from the input of analog signal to
setting the 20bit data of both channels to the output register for ADC and include group delay of HPF.
(Ta=25°C; VA=2.1 ∼ 3.3V, VD=1.8 ∼ 3.3V)
Parameter
High-Level Input Voltage
Low-Level Input Voltage
High-Level Output Voltage (Iout=-80µA)
Low-Level Output Voltage (Iout=80µA)
Input Leakage Current
DC CHARACTERISTICS
Symbol
VIH
VIL
VOH
VOL
Iin
min
75%VD
-
VD-0.4
-
-
Typ
-
-
-
-
max
-
25%VD
-
0.4
± 10
Units
V
V
V
V
µA
MS0054-E-02
-5-
2004/12
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for AD5354 electronic component. |
| Information | Total 19 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ AD5354.PDF Datasheet ] | |
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