AD1887JST-REEL Analog Devices Inc, AD1887JST-REEL Datasheet - Page 9

• Manufacturer Part Number: AD1887JST-REEL
• Description: IC CODEC STEREO 16BIT 48-TQFP
• Manufacturer: Analog Devices Inc
• Series: SoundMAX®r
• Type: Audio Codec '97r

Specifications of AD1887JST-REEL

• Rohs Status: RoHS non-compliant
• Data Interface: Serial
• Resolution (bits): 16 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• Dynamic Range, Adcs / Dacs (db) Typ: 87 / 90
• Voltage - Supply, Analog: 4.75 V ~ 5.25 V
• Voltage - Supply, Digital: 3.15 V ~ 3.45 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP

Reset (Index 00h)
Note: Writing any value to this register performs a register reset, which causes all registers to revert to their default values (except
74h, which forces the serial configuration). Reading this register returns the ID code of the part and a code for the type of 3D Stereo
Enhancement.
ID[9:0]
SE[4:0]
Headphones Volume Registers (Index 04h)
RHV[5:0]
LHV[5:0]
HPM
R g
R g
R g
R g
R
N m
N m
N m
N m
N
4 0 h
4 0 h
4 0 h
4 0 h
4 0
R g
R g
R g
R g
R
N m
N m
N m
N m
N
0 0 h
0 0 h
0 0 h
0 0 h
0 0
e
e
e
e
e
u
u
u
u
u
h
e
e
e
e
e
u
u
u
u
u
g
h
m
g
m
N
N
N
N
N
H
H
H
H
H
V
V
V
V
V
N
N
N
N
N
R
R
R
R
R
a
a
a
o
o
o
o
o
a
a
e
e
e
e
e
a
a
a
s e
s e
s e
s e
s e
u l
u l
u l
u l
u l
a
a
m
m
m
m
m
a
a
a
a
a
m
m
m
m
m
d
d
d
d
d
m
m
m
m
m
t e
t e
t e
e
e
e
e
e
t e
t e
p
p
p
p
p
e
e
e
e
e
h
h
h
h
h
e
e
e
e
e
o
o
o
o
o
n
n
n
n
n
s e
s e
s e
s e
s e
D 5 1
D 5 1
D 5 1
D 5 1
D
X X X X X
Identify Capability. The ID decodes the capabilities of AD1887 based on the following:
Stereo Enhancement. The 3D stereo enhancement identifies the Analog Devices 3D stereo enhancement.
Right Headphone Volume Control. The least significant bit represents 1.5 dB. This register controls the output
from +6 dB to a maximum attenuation of –88.5 dB.
Left Headphone Volume Control. The least significant bit represents 1.5 dB. This register controls the output
from +6 dB to a maximum attenuation of –88.5 dB.
Headphones Volume Mute. When this bit is set to “1,” the channel is muted.
5 1
D 5 1
D 5 1
D 5 1
D 5 1
D
H M
H M
H M
H M
H
5 1
P
P
P
P
P
M
D 4 1
D 4 1
D 4 1
S 4
S 4
S 4
D 4 1
D
S 4
S
E
E
E
E
E
4 1
D 4 1
D 4 1
D 4 1
D 4 1
D
X X X X X
4
4 1
D 3 1
D 3 1
D 3 1
D 3 1
D
S 3
S 3
S 3
S 3
S
D 3 1
D 3 1
D 3 1
D 3 1
D
L
L
L
L
L
E
E
E
E
E
3 1
H
H
H
H
H
3 1
3
V
V
V
V
V
Bit = 1
ID0
ID1
ID2
ID3
ID4
ID5
ID6
ID7
ID8
ID9
5
5
5
5
5
The AD1887 contains none of the optional features identified by these bits.
D 2 1
D 2 1
D 2 1
D 2 1
D
S 2
S 2
S 2
S 2
S
E
E
E
E
E
2 1
D 2 1
D 2 1
D 2 1
D 2 1
D
L
L
L
L
L
HPM
0
0
0
1
2
H
H
H
H
H
2 1
V
V
V
V
V
4
4
4
4
4
D 1 1
D 1 1
D 1 1
D 1 1
D
S 1
S 1
S 1
S 1
S
E
E
E
E
E
1 1
D 1 1
D 1 1
D 1 1
D 1 1
D
L
L
L
L
L
1
Dedicated Mic PCM in Channel
Modem Line Codec Support
Bass and Treble Control
Simulated Stereo (Mono to Stereo)
Headphone Out Support
Loudness (Bass Boost) Support
18-Bit DAC Resolution
20-Bit DAC Resolution
18-Bit ADC Resolution
20-Bit ADC Resolution
Function
H
H
H
H
H
1 1
V
V
V
V
V
xHV5 . . . xHV0
00 0000
01 1111
11 1111
xx xxxx
3
3
3
D 0 1
D 0 1
D 0 1
D 0 1
D
S 0
S 0
S 0
S 0
S
3
3
E
E
E
E
E
0 1
D 0 1
D 0 1
D 0 1
L
L
L
0
D 0 1
D
L
L
H
H
H
H
H
0 1
V
V
V
V
V
D9
D9
D9
I 9
I 9
I 9
D9
D
I 9
I
2
2
2
2
2
D
D
D
D
D
9
9
D9
D9
D9
D9
D
L
L
L
L
L
H
H
H
H
H
9
V
V
V
V
V
D8
D8
D8
D8
D
I 8
I 8
I 8
I 8
I
D
D
D
D
D
1
1
1
1
1
8
8
D8
D8
D8
L
L
L
D8
D
L
L
H
H
H
H
H
8
V
V
V
D7
D7
D7
D7
D
I 7
I 7
I 7
I 7
I
V
V
Function
6 dB Gain
–40.5 dB Attenuation
–88.5 dB Attenuation
–∞ dB Attenuation
D
D
D
D
D
0
0
0
0
0
7
7
D7
D7
D7
D7
D
X X X X X
7
D6
D6
D6
D6
D
I 6
I 6
I 6
I 6
I
D
D
D
D
D
6
D6
D6
D6
D6
D
X X X X X
6
6
D5
D5
D5
D5
D
I 5
I 5
I 5
I 5
I
D5
D5
D5
D5
D
R
R
R
R
R
D
D
D
D
D
H
H
H
H
H
5
5
5
V
V
V
V
V
AD1887
0
0
0
0
1
0
0
0
0
0
5
5
5
5
5
D4
D4
D4
I 4
I 4
I 4
D4
D
I 4
I
D4
D4
D4
D4
D
R
R
R
R
R
D
D
D
D
D
4
H
H
H
H
H
4
4
V
V
V
V
V
4
4
4
4
4
D3
D3
D3
I 3
I 3
I 3
D3
D
I 3
I
D
D
D
D
D
D3
D3
D3
R
R
R
D3
D
R
R
3
3
H
H
H
H
H
3
V
V
V
V
V
3
3
3
3
3
D2
D2
D2
D2
D
I 2
I 2
I 2
I 2
I
D
D
D
D
D
2
D2
D2
D2
D2
D
R
R
R
R
R
2
H
H
H
H
H
2
V
V
V
V
V
2
2
2
2
2
D1
D1
D1
D1
D
I 1
I 1
I 1
I 1
I
D
D
D
D
D
1
1
D1
D1
D1
D1
D
R
R
R
R
R
H
H
H
H
H
1
V
V
V
V
V
D0
D0
D0
D0
D
I 0
I 0
I 0
I 0
I
1
1
1
1
1
AD1887
D
D
D
D
D
0
0
D0
D0
D0
D0
D
R
R
R
R
R
H
H
H
H
H
0
V
V
V
V
V
D
D
D
D
D
0 0 h
0 0 h
0 0 h
0 0
0 0
0
0
0
0
0
e
e
e
e
e
0 1
0 1
0 1
0 1
0 1
a f
a f
a f
a f
a f
D
D
D
0 8 h
0 8 h
0 8
D
D
0 8 h
0 8
h
h
u
u
u
u
u
e
e
e
e
e
0 0
0 0
0 0
0 0
0 0
t l
t l
t l
t l
t l
a f
a f
a f
a f
a f
h
h
u
u
u
u
u
t l
t l
t l
t l
t l