TAS5715_15 Datasheet, PDF (10/74 Pages) Texas Instruments – 25-W DIGITAL AUDIO POWER AMPLIFIER WITH EQ AND DRC

TAS5715
SLOS645 – AUGUST 2010
www.ti.com
AC Characteristics (BTL, PBTL)
PVDD_x = 18 V, BTL AD mode, f_S = 48 KHz, R_L = 8 Ω, R_OCP = 22 KΩ, C_BST = 33 nF, audio frequency = 1 kHz, AES17 filter,
f_PWM = 384 kHz, T_A = 25°C (unless otherwise specified). All performance is in accordance with recommended operating
conditions (unless otherwise specified).
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
PVDD = 18 V, 10% THD, 1-kHz input signal
21.5
PVDD = 18 V, 7% THD, 1-kHz input signal
20.3
PVDD = 12 V, 10% THD, 1-kHz input signal
9.6
PVDD = 12 V, 7% THD, 1-kHz input signal
9.1
PVDD = 8 V, 10% THD, 1-kHz input signal
4.2
P_O
Power output per channel
PVDD = 8 V, 7% THD, 1-kHz input signal
PBTL mode, PVDD = 12 V, R_L = 4 Ω,
10% THD, 1-kHz input signal
4
W
18.7
PBTL mode, PVDD = 12 V, R_L = 4 Ω,
7% THD, 1-kHz input signal
17.7
PBTL mode, PVDD = 18 V, R_L = 4 Ω,
10% THD, 1-kHz input signal
41.5
PBTL mode, PVDD = 18 V, R_L = 4 Ω,
7% THD, 1-kHz input signal
39
THD+N Total harmonic distortion + noise
V_n
SNR
Output integrated noise (rms)
Crosstalk
Signal-to-noise ratio⁽¹⁾
PVDD = 18 V, P_O = 1 W
PVDD = 12 V, P_O = 1 W
PVDD = 8 V, P_O = 1 W
A-weighted
P_O = 0.25 W, f = 1 kHz (BD Mode)
P_O = 0.25 W, f = 1 kHz (AD Mode)
A-weighted, f = 1 kHz, maximum power at
THD < 1%
0.07%
0.03%
0.1%
56
mV
–82
dB
–69
dB
106
dB
(1) SNR is calculated relative to 0-dBFS input level.
10
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