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Asahi Kasei Microsystems
Asahi Kasei Microsystems

AK4519 Datasheet Preview

AK4519 Datasheet

Low Power 20 bit ADC&DAC

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AK4519 pdf
ASAHI KASEI
[AK4519]
AK4519
Low Power 20 bit ∆Σ ADC&DAC with HPF
GENERAL DESCRIPTION
AK4519 is low voltage 20bit A/D & D/A converter for portable digital audio system. In the AK4519, the loss of
accuracy form clock jitter is also improved by using SCF techniques for on-chip post filter. Analog signal
input/output of the AK4519 are single-ended, therefore, external filter is not required.
The AK4519 is low power dissipation and be able to powered-down ADC and DAC independently, so the
AK4519 is suitable for portable digital audio system.
FEATURES
† HPF for DC-offset cancel (fc=3.4Hz)
† Single-ended ADC
- S/(N+D): 83dB
- Dynamic Range, S/N: 89dB at 2.5V, 90dB at 3V
† Single-ended DAC
- 2nd order SCF + 2nd order CTF
- Digital de-emphasis for 32kHz, 44.1kHz, 48kHz sampling
- S/(N+D): 83dB
- Dynamic Range, S/N: 92dB at 2.5V, 93dB at 3V
† Audio I/F format
- ADC:20bit MSB justified, DAC:20bit LSB justified,
MSB First, 2's Compliment
† High Jitter Tolerance
† Sampling Rate: 8kHz to 50kHz
† Master Clock: 256fs or 384fs or 512fs
† Power Supply: 2.4 to 4.0V
† Low Power Dissipation: 33.3mW at 2.5V, 41.1mW at 3V
† Small 24pin VSOP Package
M0015-E-01
-1-
1998/11



Asahi Kasei Microsystems
Asahi Kasei Microsystems

AK4519 Datasheet Preview

AK4519 Datasheet

Low Power 20 bit ADC&DAC

No Preview Available !

AK4519 pdf
ASAHI KASEI
„ Ordering Guide
AK4519VF -10+70°C
24pinVSOP (0.65mm Pitch)
AKD4519 Evaluation board for AK4519
„ Pin Layout
[AK4519]
M0015-E-01
-2-
1998/11


Part Number AK4519
Description Low Power 20 bit ADC&DAC
Maker Asahi Kasei Microsystems
Total Page 17 Pages
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