WM8983GEFL/RV Wolfson Microelectronics, WM8983GEFL/RV Datasheet - Page 14

• Manufacturer Part Number: WM8983GEFL/RV
• Description: Audio CODECs Mbl Multimedia CODEC w/ 1W Speaker Driver
• Manufacturer: Wolfson Microelectronics

Specifications of WM8983GEFL/RV

• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-32
• Minimum Operating Temperature: - 25 C

WM8983
A ud io P re c is io n
Figure 1 Speaker THD+N vs Output Power (Boost Disabled: SPKVDD=3.6V; SPKBOOST=0; AVDD Range =3.6-2.7V)
Audio Precision
Figure 2 Speaker THD+N vs Output Power (Boost Disabled: SPKVDD=4.2V; SPKBOOST=0; AVDD Range =3.6-2.7V)
w
B
A
d
B
A
d
r
r
SPEAKER OUTPUT THD VERSUS POWER
-100
-1 0 0
-10
-20
-30
-40
-50
-60
-70
-80
-90
+0
-1 0
-2 0
-3 0
-4 0
-5 0
-6 0
-7 0
-8 0
-9 0
+ 0
T T T T T T T
0
T T T T T T
Sweep
1
4
7
10
Sys tem AP2
Board Revis ion: 2.0
Device Date Code: 67AALNA
Input Path: SPDIF_IN
Input Signal: 997Hz; Sweep 100% FS -> 0% FS; 24-bit; 256fs (fs =48kHz)
Output Path: R/LOUT2; LOUT2VOL=ROUT2VOL=+6dB; 8ohm BTL
Output Reference: +4.428dBrA
Supplies : External - AVDD=DBVDD=DCVDD=See Com m ent; SPKVDD=+4.2V
BW filter : 22Hz - 22kHz
Additional Filtering: None
Dither: None
RMS or Averaging: Averaging
0
S w e e p
1
4
7
1 0
S ys te m AP 2
B o a rd R e vis io n : 2 .0
D e vic e D a te C o d e : 6 7 AAL N A
In p u t P a th : S P D IF _ IN
In p u t S i g n a l : 9 9 7 H z; S w e e p 1 0 0 % F S -> 0 % F S ; 2 4 -b i t; 2 5 6 fs (fs = 4 8 k H z)
O u tp u t P a th : R /L O U T 2 ; L O U T 2 VO L = R O U T 2 VO L = + 6 d B ; 8 o h m B T L
O u tp u t R e fe re n c e : + 4 .4 2 8 d B rA
S u p p li e s : E xte rn a l - AVD D = D B VD D = D C VD D = S e e C o m m e n t; S P K VD D = + 3 .6 V
B W fil te r : 2 2 H z - 2 2 k H z
Ad d itio n a l F i lte ri n g : N o n e
D ith e r: N o n e
R MS o r Ave ra g i n g : Ave ra g i n g
50m
Trace
1
1
1
1
T ra c e
1
1
1
1
5 0 m
100m
Color
Cyan
Red
Green
Blue
C o lo r
C ya n
G re e n
R e d
B lu e
Line Style
Solid
Solid
Solid
Solid
150m
1 0 0 m
L in e S tyle
S o li d
S o li d
S o li d
S o li d
W M8983 THD+N vs. Output Power -- SPKVDD=4.2V
200m
Thick
1
1
1
1
W M 8 9 8 3 T H D + N vs . O utp ut P o w e r -- S P K V D D = 3 .6 V
1 5 0 m
WM8983_DAC_SPK_THD+N_vs _Power_8ohm _SPKVDD=4.2V.at27
T h i c k
1
1
1
1
Data
Anlr.THD+N Am pl
Anlr.THD+N Am pl
Anlr.THD+N Am pl
Anlr.THD+N Am pl
250m
W M8 9 8 3 _ D AC _ S P K _ T H D + N _ vs _ P o w e r_ 8 o h m _ S P K VD D 3 6 V.a t2 7
D a ta
An lr.T H D + N Am p l
An lr.T H D + N Am p l
An lr.T H D + N Am p l
An lr.T H D + N Am p l
300m
2 0 0 m
Axis
Left
Left
Left
Left
350m
Com m ent
3.6V
3.3V
3V
2.7V
2 5 0 m
Axi s
L e ft
L e ft
L e ft
L e ft
400m
W
C o m m e n t
3 .6 V
3 .3 V
3 V
2 .7 V
450m
3 0 0 m
W
500m
3 5 0 m
550m
4 0 0 m
600m
650m
4 5 0 m
08/29/06 12:57:21
700m
5 0 0 m
750m
PD Rev 4.0 November 2006
0 8 /2 9 /0 6 1 1 :4 0 :4 4
800m
5 5 0 m
Production Data
6 0 0 m
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