WM8990ECS/RV Wolfson Microelectronics, WM8990ECS/RV Datasheet - Page 18

• Manufacturer Part Number: WM8990ECS/RV
• Description: Audio CODECs Stereo CODEC w.Class AB/D speaker driver
• Manufacturer: Wolfson Microelectronics

Specifications of WM8990ECS/RV

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8990
w
Test Conditions
DCVDD = 1.8V, DBVDD = 3.3V, AVDD = HPVDD = 3.3V, SPKVDD = 5V, T
PGA gain = 0dB, 24-bit audio data unless otherwise stated.
Bypass Path Performance (Line Outputs 10kΩ / 50pF load, Headphone Outputs 16Ω load, Speaker Output 8Ω BTL load)
F1
F2
F3
SNR (A-weighted)
THD (P
THD+N (P
THD (P
THD+N (P
AVDD PSRR (217Hz)
HPVDD PSRR (217Hz)
DC Offset at Load
SNR (A-weighted)
THD (P
THD+N (P
THD (P
THD+N (P
SNR (A-weighted)
THD (P
THD+N (P
THD (P
THD+N (P
AVDD PSRR (217Hz)
HPVDD PSRR (217Hz)
SNR (A-weighted)
THD (P
THD+N (P
THD (P
THD+N (P
SNR (A-weighted)
THD (P
THD+N (P
THD (P
THD+N (P
AVDD PSRR (217Hz)
SPKVDD PSRR(217Hz)
SNR (A-weighted)
THD (P
THD+N (P
THD (P
THD+N (P
AVDD PSRR (217Hz)
SPKVDD PSRR(217Hz)
DC Offset at Load
PARAMETER
O
O
O
O
O
O
O
O
O
O
O
O
=20mW)
=5mW)
=20mW)
=5mW)
=20mW)
=5mW)
=20mW)
=5mW)
=0.5W)
=1.0W)
=0.5W)
=1.0W)
O
O
O
O
O
O
O
O
O
O
O
O
=20mW)
=5mW)
=20mW)
=5mW)
=20mW)
=5mW)
=20mW)
=5mW)
=0.5W)
=1.0W)
=0.5W)
=1.0W)
AVDD=HPVDD=
AVDD=HPVDD=
AVDD=HPVDD=
AVDD=HPVDD=
Differential Input
Differential Input
on RXP/RXN to
on RXP/RXN to
Class AB Mode
DCGAIN=1.52,
SPKVDD=5V,
Class D Mode
SPKVDD=5V,
RXVOICE via
RXVOICE via
OUT3/OUT4,
OUT3/OUT4,
AVDD=3.3V,
AVDD=3.3V,
Line Input to
Line Input to
Headphone
Headphone
Differential
Differential
Output on
Output on
ROMIX to
ROMIX to
ACGAIN=
LOMIX or
LOMIX or
SPKMIX,
SPKMIX,
Outputs,
Outputs,
3.3V
2.7V
3.3V
2.7V
TEST CONDITIONS
A
= +25
o
C, 1kHz signal, fs = 48kHz,
MIN
91
PD, March 2009, Rev 4.0
TYP
101
110
108
100
-87
-85
-81
-79
-78
-76
-76
-74
-72
-70
-68
-66
-70
-68
-67
-65
-77
-75
-73
-71
-74
-72
-72
-70
93
80
90
45
85
98
45
80
45
80
5
5
Production Data
MAX
UNIT
mV
mV
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
18