CS3511
AC ELECTRICAL CHARACTERISTICS
Test Conditions (unless otherwise specified): AGND = DGND = PGND = 0 V; All voltages with respect to ground;
T = 25°C; VP = 12 V; R = 8 Ω full-bridge; GAIN1 = 0, GAIN0 = 1; 10 Hz to 20 kHz Measurement Bandwidth; Per-
A
L
formance measurements taken with a differential 997 Hz sine wave and AES17 measurement filter; Stereo Full-
Bridge measurements taken through the Full-Bridge Output Filter shown in Figure 4 on page 15.
Parameters
Symbol
Test Conditions
Min
Typ
Max Units
Output Power (Continuous Average/Channel)
(Note 5)
THD+N = 1%
THD+N = 7%
THD+N = 10%
RL = 8 Ω
RL = 6 Ω
-
-
7.5
9.1
-
-
W
W
W
W
W
W
RL = 8 Ω
RL = 6 Ω
-
-
8.8
10.8
9.4
-
-
PO
RL = 8 Ω
RL = 6 Ω
-
-
-
-
11.4
Total Harmonic Distortion + Noise
Dynamic Range
(Note 5)
(Note 6)
P
O = 1 W, RL = 8 Ω
-
-
0.019
0.025
-
-
%
%
THD+N
DYR
PO = 5 W, RL = 8 Ω
Vin = -60 dBi
A-Weighted
Unweighted
-
-
99
96
-
-
dB
dB
Signal to Noise Ratio
(Note 6)
Inputs AC coupled to AGND
A-Weighted
SNR
-
-
99
96
-
-
dB
dB
Unweighted
Power Supply Rejection Ratio
200 mv p-p from
20 Hz ≤ f ≤ 1 kHz, inputs AC
coupled to AGND
-
55
-
dB
PSRR
IHF Intermodulation Distortion
Channel Separation
19 kHz, 20 kHz, 1:1 (IHF),
PO = 1 W
IHF-IMD
CS
-
0.20
-
%
PO=1 W, f = 1 kHz
20 Hz ≤ f ≤ 20 kHz
-
-
104
78
-
-
dB
dB
Output Offset Voltage
(Note 7) VOFFSET MUTE = low
-
-
-
-
-
-
-
50
85
-
-
-
-
-
-
-
mV
%
Efficiency
PO = 2 x 9.4 W, RL = 8 Ω
η
ICE
PWM Output Over-Current Error Trigger Point
Junction Thermal Error Rising Trigger Point
Junction Thermal Error Falling Trigger Point
Turn On Time
2.7
155
135
155
3
A
TTERISE
TTEFALL
ton
°C
°C
ms
ms
SLEEP = VIL
SLEEP = VIH
Turn Off Time
toff
Amplifier Gain
Gain1 = 0, Gain0 = 0
Gain1 = 0, Gain0 = 1
Gain1 = 1, Gain0 = 0
Gain1 = 1, Gain0 = 1
Between output channels
Gain1 = 0, Gain0 = 0
Gain1 = 0, Gain0 = 1
Gain1 = 1, Gain0 = 0
Gain1 = 1, Gain0 = 1
-
13.6
19.5
23.8
27.3
0.1
-
dB
dB
dB
dB
%
-
-
-
-
-
-
Gain Matching
-
-
Input Impedance
36.8
18.4
11.0
7.3
46.0
23.0
13.8
9.2
55.2
27.6
16.6
11.1
kΩ
kΩ
kΩ
kΩ
Notes:
5. See Figure 5 on page 17.
6. dBi is referenced to the input signal amplitude resulting in the specified output power at THD+N<1%. See
“Parameter Definitions” on page 21 for more information.
7. See Section 4.2 “Dynamic DC Offset Calibration” on page 12.
DS845PP2
7