AD1988B 데이터 시트보기 (PDF) - Analog Devices
부품명
상세내역
일치하는 목록
AD1988B Datasheet PDF : 20 Pages
| |||
AD1988A/AD1988B
SPECIFICATIONS
TEST CONDITIONS
Test Conditions for the AD1988A and AD1988B are as follows, unless otherwise noted.
Analog Input/Output Conditions
Temperature at 25°C
Digital supply (DVDD) at 3.3 V ±10%
Analog supply (AVDD) at 3.3 V ±5%
MIC_BIAS_FILT at 5.0 V ±5%
Sample rate (FS) at 48 kHz
Input signal at 1008 Hz
Analog output pass band at 20 Hz to 20 kHz
Table 1.
Parameter
DIGITAL DECIMATION AND INTERPOLATION FILTERS1
Pass Band
Pass-Band Ripple
Stop Band
Stop Band Rejection
Group Delay
Group Delay Variation over Pass Band
ANALOG-TO-DIGITAL CONVERTERS
Resolution1
Gain Error
Interchannel Gain Mismatch
ADC Offset Error
ADC Crosstalk1
Line Inputs
LINE_IN to Other
DIGITAL-TO-ANALOG CONVERTERS
Resolution1
Gain Error
Interchannel Gain Mismatch
Total Out-of-Band Energy 1
DAC Crosstalk1
DAC VOLUMES—PROGRAMMABLE GAIN ATTENUATOR
Step Size
Output Gain/Attenuation Range
ADC VOLUMES—PROGRAMMABLE GAIN
AMPLIFIER/ATTENUATOR
Step Size
PGA Gain/Attenuation Range
ANALOG MIXER—PROGRAMMABLE GAIN
AMPLIFIER/ATTENUATOR
Signal-to-Noise Ratio (SNR)1, 2
Step Size
Input Gain/Attenuation Range
DAC Conditions
Calibrated
Output −3 dB relative to full scale
10 kΩ output load: line out tests
32 Ω output load: headphone tests
ADC Conditions
Calibrated
0 db PGA gain
Input −3.0 dB relative to full scale
Conditions/Comments
fS 8 kHz ~ 192 kHz
Typ
AD1988A/
Min AD1988B Max Unit
0
0.60 fS
20
0
0.40 fS Hz
±0.005 dB
Hz
−100 dB
1/fS
μs
Full-scale span relative to nominal input
voltage
Difference of gain errors
24
Bits
±10 %
±0.2
±0.5 dB
±5 mV
Input L, Ground R, Read R;
Input R, Ground L, Read L
−85
−100
dB
−80 dB
Full-scale span relative to nominal input
voltage
Difference of gain errors
To 100 kHz
Input L, Zero R, Read R;
Input R, Zero L, Read L
24
Bits
±10 %
±0.2
±0.5 dB
−85
dB
−95
dB
DAC_0, DAC_1, DAC_2, DAC_3, DAC_4
+1.5
dB
−58.5
0
dB
ADCSEL_0, ADCSEL_1, ADCSEL_2
+1.5
−58.5
dB
+22.5 dB
Input to output (including CD in)
All mixer inputs
All mixer inputs
Rev. 0 | Page 4 of 20
95/96
+1.5
−34.5
dB
+12.0 dB
Share Link: 