ucb1100 NXP Semiconductors, ucb1100 Datasheet - Page 11

• Manufacturer Part Number: ucb1100
• Description: Advanced Modem/audio Analog Front-end
• Manufacturer: NXP Semiconductors

Philips Semiconductors
6.1.2 Audio Output Specifications
NOTE: Coding scheme for DAC input data is 2’s complement.
1998 May 08
THUD
THUD
SYMBOL
SYMBOL
ROES
SNR
SNR
Advanced modem/audio analog front-end
V
DNA
SBR
V
F
NSOA
RIP
Z
V
A
V
A
OFFOA
E
SBR
OFFIA
SUOA
SPKR
OOA
MOA
SPK
SOA
IOA
Figure 8. Audio Output Filter Frequency Response
0dB
OAS
OAH
OA
OA
OA
OA
OAS
OAH
OA
F
PLA
offset error
full scale output voltage
offset error
DC bias voltage
spkrp and spkrn pin
attenuation step size
number of attenuation steps
maximum attenuation
resolution
differential non linearity DAC
total harmonic distortion
16 speaker
total harmonic distortion
1k headphone
signal to noise ratio
16 speaker
signal to noise ratio,
1kH headphone
pass band ripple
cut off frequency upper stop band
stop band rejection
integrated out of band energy
speaker impedance
FREQUENCY (Hz)
PARAMETER
PARAMETER
RIP
OA
F
PHA
SN00133
F
SHA
Audio output path enabled
20Hz to 20kHz bandwidth
20Hz to 20kHz bandwidth
20Hz to 20kHz bandwidth
No signal applied to micp
differential Spkrp–Spkrn
F
PLAO
F
SHAO
0dB attenuation,
0dB attenuation
0dB attenuation
0dB attenuation
0dB attenuation
16ohm speaker
16ohm speaker
20Hz to 20kHz
CONDITIONS
CONDITIONS
F > 20kHz
< Fsig <– F
11
<Fsig.<20kHz
PHAO
MIN
2.8
40
65
70
8
F
F
F
PLA
PHA
SHA
= 0.00016 * F
= 0.42 * F
= 0.6 * F
LIMITS
TYP
3.2
1.4
3.0
0.5
24
69
12
80
80
30
16
0
SA
SA
SA
Preliminary specification
MAX
0.03
3.2
0.9
0.5
0.6
50
2
UCB1100
mVrms
UNIT
UNIT
mV
LSB
LSB
F
V
dB
dB
dB
dB
dB
dB
bit
%
%
V
SA
pp
pp