ucb1300 NXP Semiconductors, ucb1300 Datasheet - Page 43

• Manufacturer Part Number: ucb1300
• Description: Advanced Modem/audio Analog Front-end
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC CHARACTERISTICS
V
f
2000 Jun 26
i(sibclk)
Audio Input; notes 1 and 2
f
V
V
Z
Z
G
N
G
E
RES
LE
THD
S/N
PBRR
SBR
D
SSD
sa
i
(18-20)
I(RMS)
I(BIAS)
G
step
offset
Advanced modem/audio analog front-end
step
v
(d)(ADC)
SYMBOL
= V
= 9.216 MHz; unless otherwise specified
SSA1
= V
SSA2
audio sample frequency
input voltage (RMS value) 0 dB gain setting
DC bias voltage
input impedance
impedance MICGND -
VSSA1
gain step size
number of gain settings
gain
gain error
resolution
ADC differential linearity
error
total harmonic distortion
signal-to-noise ratio
pass-band ripple rejection f
stop-band rejection
digital offset
= V
SSA3
PARAMETER
= 0 V; V
DDD
= V
DDA1
.
MICP input
(AUD_GAIN=011111)
each gain step
input gain = 0 dB
(AUD_GAIN = 00000);
input signal = 1 mVrms
input gain = 22.5 dB
(AUD_GAIN[n] = 01111);
AC coupling disabled
(AUD_OFF_CAN = 0);
input signal = 0.4mVrms
input gain = 46.5 dB
(AUD_GAIN[n] = 11111);
AC coupling enabled
(AUD_OFF_CAN = 1);
input gain = 0 dB
(AUD_GAIN = 00000)
input signal = 1mVrms;
input gain = 22.5 dB
(AUD_GAIN[n] = 01111);
input signal = 0.4mVrms;
input gain = 46.5 dB
(AUD_GAIN[n] = 11111);
f
no signal applied to MICP
pla
sha
< f
= V
< f
sig
CONDITIONS
sig
DDA2
< f
< 20 kHz
43
pha
= 3.3 V 10%; T
(3)
(3)
amb
-
90
1.35
20
-
1
-
15
-1
-
-
-
-
50
25
-
50
-
MIN.
=25 C; V
-
100
1.4
25
-
1.5
32
22.5
-
12
-
-65
-36
-29
68
32
22
-
-
-
I(ref)
TYP.
= 1.2 V;
Product specification
26
125
1.5
-
200
2
-
28
1
-
1
-40
-26
-
-
1.2
-
50
UCB1300
MAX.
kHz
mV
V
k
dB
-
dB
dB
bit
LSB
dB
dB
dB
dB
dB
dB
dB
dB
LSB
UNIT