SAA7367 Datasheet, PDF (11/20 Pages) NXP Semiconductors – Bitstream conversion ADC for digital audio systems

Philips Semiconductors
Bitstream conversion ADC for
digital audio systems
Product specification
SAA7367
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
Analog part at: V_DD = V_DDA = 5 V; T_amb = 25 °C
V_refL AND V_refR
V_O
output voltage
R_DC
DC impedance
normal mode
standby mode
0.475V_DDA
−
−
CURRENT REFERENCE: I_ref
V_O
out put voltage
I_O
output current
−
R = 33 kΩ
−
V_DACN
V_I
input voltage
−
V_DACP
V_I
input voltage
−
BUFFER OPERATIONAL AMPLIFIERS: BIL, BOL, BIR AND BOR
V_I(off)
R_L
Z_O
THD + N
input offset voltage
load resistance; (drive capability)
output impedance
total harmonic distortion plus
noise
−
decoupled to V_ref −
−
f = 0 to 20 kHz −
0.5V_DDA
1.3
100
0.5V_DDA
76
V_SS
V_DDA
<10
10
100
−87
0.525V_DDA
−
−
−
−
−
−
−
−
−
−
OVERALL PERFORMANCE (ANALOG IN, DIGITAL OUT)
t_gd
group delay time
α_sb
stop band attenuation
DR
dynamic range
THD + N
total harmonic distortion plus
noise
S/N
signal-to-noise ratio
α_cs
channel separation
G
gain
T = 1/f_s
f > 0.546 f_s
0 to 20 kHz
0 to 20 kHz
A-weighted
note 2
−
60
90
−
−
−
−1.4
25T
−
−
−
93
−
−88
−80
97
−
92
−
−1
−0.8
Notes
1. Load capacitance is valid for master mode only.
2. See also Section “Input level” of Chapter “Functional description”; valid for left or right channel.
UNIT
V
kΩ
kΩ
V
µA
V
V
mV
kΩ
Ω
dB
s
dB
dB
dB
dB
dB
dB
1998 Nov 17
11