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PDF UCB1100 Data sheet ( Hoja de datos )
| Número de pieza | UCB1100 | |
| Descripción | Advanced modem/audio analog front-end | |
| Fabricantes | NXP Semiconductors | |
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( DataSheet : www.DataSheet4U.com )
INTEGRATED CIRCUITS
UCB1100
Advanced modem/audio analog front-end
Preliminary specification
Supersedes data of 1996 Apr 09
Version 1.2
1998 May 08
Philips
Semiconductors
www.DataSheet4U.com
1 page  
Philips Semiconductors
Advanced modem/audio analog front-end
Preliminary specification
UCB1100
4.0 DC ELECTRICAL CHARACTERISTICS
Tamb = 0°C to 70°C, VSSD = VSSA1 = VSSA2 = VSSA3 = 0V, sibclk = 10MHz, audio_divisor = 12, telecom_divisor = 40.
Voltage with respect to the VSSD pin, unless otherwise specified.
SYMBOL
PARAMETER
NOTES
LIMITS
MIN TYP
MAX
VDDD
VDDA1
VDDA2
VSSA2
VSSA3
IDDD
digital supply voltage
analogue supply voltage (excl.speaker driver)
analogue supply voltage (speaker driver only)
analogue ground voltage wrt. VSSD
analogue ground voltage wrt VSSD
digital supply current,
full functionality
only audio codec activated
only telecom codec activated
only touch screen activated
only adc activated
no functions activated, sibclk stopped
Note 1
3.0 3.3
3.0 3.3
3.0 3.3
–0.4 0
–0.4 0
19
17
19
15
15
3.6
3.6
3.6
0.4
0.4
10
IDDA1
analogue supply current,
full functionality
only audio codec activated
only telecom codec activated
only touch screen activated
only adc activated
no analogue functions activated
Note 1, Note 2
3.8
1.5
1.7
0.4
0.5
<10
IDDA2
total speaker driver supply current
full functionality
only audio codec activated
only telecom codec activated
only touch screen activated
only adc activated
no analogue functions activated
Note 1, Note 2
0.2
0.2
10
10
10
10
VTSCB
touch screen bias voltage
ITSCB
maximum touch screen bias current
VADFS
full scale voltage ad0–ad3 inputs
VTSFS
full scale input touch screen inputs
VIL input low voltage
VIH input high voltage
VOL output low voltage
IOL=2mA
VOH output high voltage
IOH=2mA
fSIBCLK
clock frequency
Tamb
Operating Ambient Temperature
NOTES:
1. Indicative value only. Value will be frozen following silicon measurements.
2. Excluding connected touch screen and speaker load currents.
10
–0.5
0.7*VDDD
0.8*VDDD
0
0
1.8
7.5
7.5
0.3*VDDD
VDDD+0.5
0.2*VDDD
10 15
70
UNIT
V
V
V
V
V
mA
mA
mA
mA
mA
µA
mA
mA
mA
mA
mA
µA
mA
mA
µA
µA
µA
µA
V
mA
V
V
V
V
V
V
MHz
°C
1998 May 08
5
5 Page 
Philips Semiconductors
Advanced modem/audio analog front-end
Preliminary specification
UCB1100
6.1.2 Audio Output Specifications
SYMBOL
PARAMETER
CONDITIONS
LIMITS
MIN TYP MAX
UNIT
VOFFIA
VOOA
offset error
full scale output voltage
No signal applied to micp
0dB attenuation,
16ohm speaker
differential Spkrp–Spkrn
0
3.2
LSB
Vpp
VOFFOA
VSPK
offset error
DC bias voltage
spkrp and spkrn pin
16ohm speaker
Audio output path enabled
50 mVpp
1.4 V
ASOA
NSOA
attenuation step size
number of attenuation steps
2.8 3.0 3.2 dB
24
AMOA
ROESOA
DNAOA
THUDOAS
maximum attenuation
resolution
differential non linearity DAC
total harmonic distortion
16Ω speaker
0dB attenuation
20Hz to 20kHz
69 dB
12 bit
0.9 LSB
0.5 2
%
THUDOAH
total harmonic distortion
1kΩ headphone
0dB attenuation
20Hz to 20kHz bandwidth
0.03 %
SNROAS
signal to noise ratio
16Ω speaker
0dB attenuation
20Hz to 20kHz bandwidth
40
80
dB
SNROAH
signal to noise ratio,
1kHΩ headphone
0dB attenuation
20Hz to 20kHz bandwidth
65
80
dB
RIPOA
pass band ripple
FPLAO < Fsig <– FPHAO
0.5 dB
FSUOA
cut off frequency upper stop band
0.6 FSA
SBROA
stop band rejection
FSHAO<Fsig.<20kHz
70
dB
EIOA
integrated out of band energy
F > 20kHz
30 mVrms
ZSPKR
speaker impedance
8 16
Ω
NOTE: Coding scheme for DAC input data is 2’s complement.
RIPOA
0dB
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁFFFPPSLHHÁÁÁÁAAA===000ÁÁÁÁ...04602*0ÁÁÁÁ*F1F6SAS*ÁÁÁÁAFSAÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
SBROA
FPLA
FREQUENCY (Hz)
FPHA FSHA
SN00133
Figure 8. Audio Output Filter Frequency Response
1998 May 08
11
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