WM9093 Datasheet, PDF (7/84 Pages) Wolfson Microelectronics plc – Ultra Low Power Audio Subsystem

Production Data
WM9093
ELECTRICAL CHARACTERISTICS
Test Conditions
SVDD = 3.6V, HPVDD=1.8V, GND=0V, TA = +25^oC, 1kHz signal, PGA gain = 0dB unless otherwise stated
PARAMETER
Analogue Input Pin Maximum Signal Levels
Maximum Full-Scale Input Signal
Level for inputs IN1+/- and IN2+/-
TEST CONDITIONS
Single-ended input
Differential input
MIN TYP
Maximum Full-Scale Input Signal
Level for inputs IN3+/-
Differential input
Analogue Input Pin Resistance
Line Input Resistance
IN1+/- and IN2+/-
Differential or Single- Ended Mode
8
10
Line Input Resistance
Speaker Boost = +12dB
42
IN3+/- Differential Mode
Speaker Boost = +9dB
60
Speaker Boost = +7.5dB
71
Note that gain is controlled by
Speaker Boost = +6dB
85
SKOUTLBOOST[2:0] and
SPK_ATTN_FB
Speaker Boost = +4.5dB
101
Speaker Boost = +3dB
120
Speaker Boost = +1.5dB
143
Speaker Boost = 0dB (SPK_ATTN_FB=0)
170
Speaker Boost = 0dB (SPK_ATTN_FB=1)
42
Speaker Boost = -3dB
60
Speaker Boost = -4.5dB
71
Speaker Boost = -6dB
85
Speaker Boost = -7.5dB
101
Speaker Boost = -9dB
120
Speaker Boost = -10.5dB
143
Speaker Boost = -12dB
170
Input Programmable Gain Amplifiers (PGAs) IN1A, IN1B, IN2A and IN2B
Minimum Programmable Gain
-6
Maximum Programmable Gain
+18
Mute Attenuation
80
Common Mode Rejection Ratio
Differential Mode (217Hz input)
45
Output Programmable Gain Amplifiers (PGAs) SPKVOL, HPOUT1LVOL and HPOUT1RVOL
Minimum Programmable Gain
-57
Maximum Programmable Gain
+6
Programmable Gain Step Size
Guaranteed monotonic
1
Mute Attenuation
HPOUT1LVOL and HPOUT1RVOL
75
SPKVOL
66
MAX UNIT
1.0
Vrms
1.0
Vrms
0.56 Vrms
15
k
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dB
dB
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dB
w
PD, March 2012, Rev 4.2
7