QX2010 QXpander Processor
Device Specifications
Analog Characteristics:
(TA = +25 °C, VCC = 9.0 VDC)
Parameter
Supply Voltage Range
TC
Sym
VCC
Min
6.0
Typ
Max
10.0
Unit
VDC
9.0
Power Supply Rejection Ratio
Supply Current
1
PSRR
ICC
44
50
15
dB
mA
20
Input Voltage, Analog
Output Voltage, Analog
2
3
Vin
VOUT
1.0
2.8
1.4
VRMS
VRMS
2.0
5
Output Current, Analog
Load Resistance
IOUT
RL
mA
kW
pF
±1
Load Capacitance
CL
100
Input Impedance
Usable Bandwidth
RI
BW
AV,1
AV,2
THD
SNR
SNR
VNOISE
21
20
5.0
-0.5
30
39
20000
7.0
+0.5
0.7
kW
Hz
dB
dB
%
Voltage Gain, QXpanded
Voltage Gain, bypass
Total Harmonic Distortion
Signal-Noise Ratio, QXpander
Signal-Noise Ratio, Bypass
Output Noise Voltage
4
5
6
7
8
9
6.0
0.0
0.3
85
95
55
80
90
dB
dB
100
mVRMS
dB
dB
Channel Balance
Insertion Loss
10
CB
-1.0
+1.0
0.5
Test Conditions:
1.
2.
3.
4.
VCC = 9V + 200 mVRMS ,f = 1 kHz, BYP = VCC (QXpanded mode).
VCC = 9.0 V, BYP = VCC (QXpanded mode).
BYP = VCC (QXpanded mode), THD = 1%, f = 1 kHz.
BYP = VCC (QXpanded mode),
a)
b)
LIN = 1 VRMS ,1 kHz, RIN=0 V,
RIN= 1 VRMS ,1 kHz, LIN=0 V.
5.
6.
BYP = GND (Bypass mode), LIN = RIN = 1 VRMS ,1 kHz.
Total Harmonic Distortion:
a)
THD at LOUT: LIN = 1 VRMS , RIN = 0 V, 1 kHz, BYP = VCC (QXpanded mode).
b)
THD at ROUT: RIN = 1 VRMS , LIN = 0 V, 1 kHz, BYP = VCC (QXpanded mode).
7.
BW = 20 ~ 20000 Hz, LOUT = ROUT = 1 VRMS, BYP = VCC , A curve.(QXpanded mode).
8.
9.
BW = 20 ~ 20000 Hz, LIN = RIN = 1 VRMS, BYP = GND, A curve. (Bypass mode).
BW = 20 ~ 20000 Hz, BYP = VCC , A curve. (QXpanded mode).
10.
LIN = RIN = 1 VRMS , 1 kHz, BYP = GND (Bypass mode).
Ref: 2010V253.DOC
Rev: 2.53
QX2010 Data Sheet -- Preliminary -- Confidential
QSound Labs, Inc.
Date: 97.01.29
Page 5 of 7