Datasheet

DR
AFT
DR
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DRAFT
DR
D
RAFT
DRAFT
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F
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D
RAFT DRAFT DRAFT DRAFT DRAFT D
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LPC3152_3154 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved.
Preliminary data sheet Rev. 0.12 — 27 May 2010 56 of 88
NXP Semiconductors
LPC3152/3154
9.2.1.1 PSU_VOUT1 efficiency
Table 17: Static characteristics of the analog input
T
amb
= − 40 ° C to +85 ° C unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
I
DDA(ADC)(3V3)
ADC analog supply current (3.3 V) per mono ADC;
normal operation
-2.2-mA
I
DDA(ADC)(1V8)
ADC analog supply current (1.8 V) per mono ADC;
normal operation
--20μA
I
ref(neg)
negative reference current per mono ADC;
normal operation
-20-μA
I
ref(pos)
positive reference current per mono ADC;
normal operation
-20-μA
I
DDA(SDC)
SDC analog supply current - 0.4 - mA
I
DDA(PGA)
PGA analog supply current - 430 - μA
G
PGA
PGA gain - -1.94 - dB
I
DDA(bias)
bias analog supply current N = 13 for all
modules on;
normal operation
-190+N×10 - μA
I
DDA(LNA)
LNA analog supply current - 0.85 1.2 mA
G
LNA
LNA gain In a bandwidth
between 300 Hz
and 5 kHz.
28 30 32 dB
R
ref
reference resistance headphone and
DAC
- 11.25 kΩ
R
com
common resistance headphone - 11.25 kΩ
G gain step size 3 dB 0 - 24 dB
SUP3 = 2.86 V.
SUP1: V
DD
= 1.071 V, I
DD
= 0 mA.
SUP2: V
DD
= 1.396 V, I
DD
= 0 mA.
PSU_VOUT1 = 2.86 V.
Fig 16. Efficiency of PSU_VOUT1
I
DD
(mA)
0 302010
002aae466
60
40
80
100
η
(%)
20