SAA8116 Datasheet, PDF (49/60 Pages) NXP Semiconductors – Digital PC-camera signal processor including microcontroller and USB interface

Philips Semiconductors
Digital PC-camera signal processor including
microcontroller and USB interface
SYMBOL
PARAMETER
Programmable audio gain amplifier
TRANSFER FUNCTION
R_i
input resistance
I_DDA
supply current
V_OO
output offset voltage
A
THD
amplification
total harmonic distortion
BIASING
I_ref
reference current
Audio phase-locked loop
f_i(clk)
f_o(clk)
clock input frequency
clock output frequency
CONDITIONS
A = 0 dB
A = 30 dB
A = 0 dB; note 4
A = 30 dB; note 4
note 5
B
bandwidth
ζ
damping coefficient
Audio ADC (∑∆ converter)
INPUTS
f_i
V_i(rms)
input signal frequency
input voltage (RMS value)
TRANSFER FUNCTION
N
order of the ∑∆
N_bit
N_bit(eq)
DR_i
f_clk
δ
number of output bits
equivalent output resolution (bit)
dynamic range at input
clock frequency
clock frequency duty factor
THD
total harmonic distortion
note 6
ATX transceiver full speed mode: pins ATXDP and ATXDN
DRIVER CHARACTERISTICS
t_t(rise)
t_t(fall)
t_t(match)
V_cr
Z_o
rise transition time
fall transition time
transition time matching
output signal crossover voltage
driver output impedance
C_L = 50 pF
C_L = 50 pF
note 7
steady state drive
Product specification
SAA8116
MIN. TYP. MAX. UNIT
7.0
10.5 25
kΩ
−
0.45 0.6
mA
−
1.0
2.0
mV
−
14
30
mV
0.2
−
32
dB
−
−89
−85
dB
−
−66
−62
dB
−
10
−
µA
−
48
−
MHz
−
8.1920 −
MHz
−
11.290 −
MHz
−
12.288 −
MHz
−
2.3
−
kHz
−
0.98
−
1
−
20
kHz
−
800
−
mV
−
3
−
−
1
−
−
16
−
−
96.6
−
dB
−
−
5.6448 MHz
−
50
−
%
−
−73
−60
dB
4
−
4
−
90
−
1.3
−
30
−
20
ns
20
ns
110
%
2.0
V
42
Ω
2001 May 04
49