DRV604 Datasheet, PDF (6/21 Pages) Texas Instruments – DirectPath™ 2Vrms Line Driver and HP Amp With Adjustable Gain

DRV604
SLOS659 – JANUARY 2010
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ELECTRICAL CHARACTERISTICS, HEADPHONE
PVDD_LD = PVDD_HP = 3.3 V, R_HP = 32 Ω, T_A = 25°C, Charge pump: C_{CP_LD} = C_{CP_HP} = 1.0 µF (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TAS5630
UNIT
MIN TYP MAX
P_O
V_O
THD+N
SNR
Output power, outputs in phase
Output voltage, outputs in phase
Total harmonic distortion plus noise
Signal-to-noise ratio
THD+N = 1%, f = 1 kHz, 32 Ω load
THD+N = 1%, f = 1 kHz, 32 Ω load
f = 1 kHz, 32 Ω load, P_O = 40 mW
f = 1 kHz, 5 kΩ load, V_O = 2 Vrms
A-weighted, AES17 filter, 1.45 Vrms ref
(66 mW into 32 Ω)
A-weighted, AES17 filter, 2 Vrms ref 5 kΩ load
40
1.45
0.02%
0.001%
106
109
mW
Vrms
dB
DNR
Dynamic range
A-weighted, AES17 filter, 1.45 Vrms ref
(66 mW into 32 Ω)
A-weighted, AES17 filter, 2 Vrms ref 5 kΩ load
106
dB
109
V_n
Noise voltage
Slew rate
A-weighted, AES17 filter
7
µV
4.5
V/µS
GBW
Unity gain bandwidth
8
MHz
Crosstalk
V_{incm_pos}
V_{incm_neg}
Channel to channel
f = 1 kHz, R_load = 32 Ω, P_O = 40 mW
Positive common-mode input voltage
Negative common-mode input
voltage
75
dB
2.0
V
–3.0
V
I_limit
Output current limit
Maximum capacitive load
190
mA
220
pF
6
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