AD1988B 데이터 시트보기 (PDF) - Analog Devices
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AD1988B Datasheet PDF : 20 Pages
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AD1988A/AD1988B
0 (01 )
1 (0 B )
NID: 1D
M
Σ
M
24 bit
192 kHz
PCM
Σ∆ DAC
DAC _4
NID: 0A
D i g i ta l
A
-58 .5 to 0 dB
24 bit
192 kHz
PCM
Σ∆ DAC
DAC _ 3
NID: 06
D i g i ta l
A
-58 .5 to 0 dB
24 bit
192 kHz
PCM
Σ∆ DAC
DAC _ 2
NID: 05
D i g i ta l
A
-58 .5 to 0 dB
FUNCTIONAL BLOCK DIAGRAM
NID: 07
24 bit
32-192 k Hz
PCM / D igital
S/PDIF R X
NID: 02
24 bit
32-192 kHz
PCM / D igital
S/PDIF T X
D igit al
GAM
Input_En
-34 .5 to + 12 dB
D igit al
AM
-58 .5 to 0 dB
Z
Output_En
NID: 1C
S/PDIF I n / GPIO_1
Z
GP I O_1
NID: 1B
S/PDIF Out
AVSS
+3.3V +/-5% AVDD
MIC Bias Regulator
NID: 35
Po w e r
Co ntrol
VREF
NID: 23
Pow e r
Co ntrol
0 (0 A )
M
NID: 28
Σ
1 (21 )
M
0 (06 )
M
NID: 2A
Σ
1 (21 )
M
0 (05 )
M
N ID :2 7
Σ
1 (21 )
M
H
D
A
U
D
I
O
I
SDI
N
SDO
T
SY N C
E
R ESE T #
R
BI TC LK
F
A
C
E
24 bit
192 kHz
PCM
Σ∆ DAC
24 bit
192 kHz
PCM
Σ∆ DAC
DAC _ 1
NID: 04
D i g i ta l
A
-58 .5 to 0 dB
DAC _ 0
NID: 03
D i g i ta l
A
-58 .5 to 0 dB
GP I O
HW
Volum e
C ont rol
NID: 1F
GP I O_1
GPIO_0 /
Volum e
NID: 0B
Selector
3:1
ADC _ 0
NID: 08
24 bit
192 kHz
PCM
Σ∆ ADC
ADC SE L_ 0
NID: 0C
Digital /
Ana log
GM
Selector
10 :1
-58 .5 to + 22 .5 dB
M ix er
Po w er
C ont rol
NID: 19
NID: 21
AM
-46 .5 to 0 dB
NID: 20
GAM
5 (3 B – P or t- F)
3 (3 D – P or t- D )
-34.5 to +12dB
GAM
GAM
2 (38 – P or t- A )
5
3
2
Σ
1
4
0
6
7
GAM
GAM
1 (33 – P or t- C /H /G)
GAM
4 (34 – P or t- E /H /G)
GAM
0 (39 – P or t- B )
GAM
NID: 33
2 (24 )
1 (25 )
3:1
0 (3 A )
NID: 34
2 (24 )
1 (25 )
3:1
0 (3 C )
DVIO
DVDD
+1.5V +/- 10 %
(A D 1988L15 )
+3.3V +/- 10 %
(A D 1988L33 )
+3. 3V +/- 10 %
DVFILT
+1.8V +5 %
-20 %
D VSS
ADC _ 1
NID: 09
24 bit
192 kHz
PCM
Σ∆ ADC
ADC _ 2
NID: 0F
24 bit
192 kHz
PCM
Σ∆ ADC
ADC SE L_ 1
NID: 0D
Digital /
Ana log
GM
Selector
10 :1
-58 .5 to + 22 .5 dB
ADC SE L_ 2
NID: 0E
Digital /
Ana log
GM
Selector
10 :1
-58 .5 to + 22 .5 dB
9 (20 - M ixe r )
7 (25 – P or t- H )
6 (24 – P or t- G)
3 (3 B – P or t- F)
8 (3 D – P or t- D )
0 (38 – P or t- A )
1 (39 – P or t- B )
4 (3 C – P or t- E )
2 (3 A – P or t- C )
5 (18 - CD )
Figure 1. Block Diagram
0 (04 )
M
NID: 29
Σ
1 (21 )
M
0 (03 )
1 (04 )
3:1
2 (06 )
NID: 37
0 (37 )
M
NID: 22
Σ
1 (21 )
M
0 (03 )
1 (04 )
3:1
2 (06 )
NID: 36
NID: 30
0 (03 )
1 (04 )
3:1
2 (06 )
0 (36 )
M
NID: 1E
Σ
1 (21 )
M
0 (30 ) M N ID : 2 B
Σ
1 (21 )
M
0 (05 ) N ID : 3 2
1 (04 )
2:1
1 (21 )
M
NID: 26
Σ
0 (32 )
M
0 (04 ) N ID : 3 1
1 (0 A ) 2 :1
1 (21 )
M
NID: 2C
Σ
0 (31 )
M
Digital Beep
NID: 10
AM
-45 .0 t o 0 d B
3 dB S tep s
M I C _BI AS_ F I LT
VR EF _F I LT
Stereo Paths
Mono Paths
101+ dB (AD1988B)
M
Z
Split-Z
EN
BIAS
Z
M
Z
Boos t
EN
NID: 3B
M
Z
SWA P
EN
BIAS /
EAPD
Z
M
HP
AMP
Z
Boos t
EN
NID: 3D
BIAS
Z
M
HP
AMP
Z
Boos t
NID: 38
EN
NID: 2D
Σ
S te re o
D own-M ix
A
M
-46 .5 to 0 dB
BIAS
Z
M
HP
AMP
Z
Boos t
NID: 39
EN
BIAS
Z
M
Z
SWA P
Boos t
NID: 3C
EN
BIAS /
Z
EAPD
M
Z
Boos t
NID: 3A
EN
NID: 25
PORT -H
Surround
C e nt er
NID: 16
PORT -F
MIC BIAS
PORT -F
Surround
Back
NID: 24
PORT -G
Center / LFE
NID: 12
PORT -D
MIC BIAS /
EAPD
PORT -D
HP-Front L/R
NID: 11
PORT -A
MIC BIAS
PORT -A
Headphone
NID: 13
MONO_OUT
NID: 14
PORT -B
MIC BIAS
PORT -B
M ic rophone
NID: 17
PORT -E
MIC BIAS
PORT -E
MIC 1/2
NID: 15
PORT -C
MIC BIAS /
EAPD
PORT -C
Line In
PC Be ep
NID: 1A
CD
Diff
Amp
NID: 18
CD _L
CD _GND
CD _R
Rev. 0 | Page 3 of 20
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