WM9090ECS/R Wolfson Microelectronics, WM9090ECS/R Datasheet - Page 7

• Manufacturer Part Number: WM9090ECS/R
• Description: Audio CODECs Audio Subsystem w/ capless headphones
• Manufacturer: Wolfson Microelectronics

Specifications of WM9090ECS/R

• Interface Type: 2-Wire, l2C
• Thd Plus Noise: 80 dB
• Ic Function: Ultra Low Power Audio Subsystem
• Brief Features: Mono Class D Speaker Driver, Automatic Gain Control (AGC)
• Supply Voltage Range: 2.7V To 5.5V
• Operating Temperature Range: -40°C To +85°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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Production Data
ELECTRICAL CHARACTERISTICS
Test Conditions
SPKVDD = 3.6V, AVDD=1.8V, GND=0V, T
Analogue Input Pins
Maximum Full-Scale input signal
level - IN1P/N and IN2P/N
Input Resistance
Input Programmable Gain Amplifiers (PGAs) IN1A, IN1B, IN2A and IN2B
Minimum Programmable Gain
Maximum Programmable Gain
Mute Attenuation
Common Mode Rejection Ratio
Output Programmable Gain Amplifiers (PGAs) SPKVOL, HPOUT1LVOL and HPOUT1RVOL
Minimum Programmable Gain
Maximum Programmable Gain
Programmable Gain Step Size
Mute Attenuation
Speaker Output Programmable Gain SPKOUTLBOOST
Programmable Gain
Headphone Driver Audio Performance (R
SNR (A-weighted)
THD (P
THD+N (P
THD (P
THD+N (P
Crosstalk (L/R)
PSRR
DC Offset
Output Power
Minimum Headphone Resistance
Headphone Capacitance
Quiescent Current
PARAMETER
O
O
=20mW)
=5mW)
O
O
=20mW)
=5mW)
Device survival with load indefinitely applied
AVDD with 100mVpk-pk at 217Hz (Note 1)
A
L
SPKVDD with 100mVpk-pk at 217Hz
Magnitude after DC Servo calibration
HPOUT1LVOL and HPOUT1RVOL
= +25
Differential or Single- Ended Mode
= 16Ω)
Differential Mode (217Hz input)
Path from IN1P/N or IN2P/N
SPKOUTLBOOST=111
SPKOUTLBOOST=110
SPKOUTLBOOST=101
SPKOUTLBOOST=100
SPKOUTLBOOST=011
SPKOUTLBOOST=010
SPKOUTLBOOST=001
SPKOUTLBOOST=000
o
C, 1kHz signal, PGA gain = 0dB unless otherwise stated
TEST CONDITIONS
Single-ended input
Normal operation
Differential input
0.1% THD+N
1% THD+N
SPKVOL
-0.75
11.5
MIN
8.5
5.5
2.5
90
15
8
7
4
1
1
PD, November 2010, Rev 4.1
+18
TYP
-57
-82
-80
-81
-79
7.5
4.5
1.5
10
80
45
+6
75
66
12
96
72
82
0.3
-6
85
31
34
1
9
6
3
0
4
MAX
12.5
0.75
1.0
1.0
-72
9.5
6.5
3.5
15
8
5
2
2
2
WM9090
Vrms
UNIT
mW
mV
mA
kΩ
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
nF
Ω
Ω
7