DRV612_16 Datasheet, PDF (5/22 Pages) Texas Instruments – 2-Vrms DirectPath Line Driver With Programmable-Fixed Gain

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DRV612
SLOS690B – DECEMBER 2010 – REVISED APRIL 2011
ELECTRICAL CHARACTERISTICS
VDD = 3.3V, R_LD = 5 kΩ, T_A = 25°C, Charge pump: C_CP = 1 μF, unless otherwise noted.
PARAMETER
TEST CONDITIONS
|V_OS|
PSRR
Output offset voltage
Power-supply rejection ratio
VDD = 3.3 V, input ac-coupled
V_OH
V_OL
Vuvp_on
High-level output voltage
Low-level output voltage
VDD, undervoltage detection
VDD = 3.3 V
VDD = 3.3 V
Vuvp_hysteresis VDD, undervoltage detection, hysteresis
F_CP
|I_IH|
|I_IL|
I_(VDD)
Charge-pump switching frequency
High-level input current, MUTE
Low-level input current, MUTE
Supply current, no load
Supply current, MUTED
VDD = 3.3 V, V_IH = VDD
VDD = 3.3 V, V_IL = 0 V
VDD, MUTE = 3.3 V
VDD = 3.3 V, MUTE = GND
T_SD
Thermal shutdown
Thermal shutdown hysteresis
MIN TYP MAX UNIT
0.5
1 mV
70
80
dB
3.1
V
–3.05 V
2.8 V
200
mV
350
kHz
1 µA
1 µA
18
mA
18
mA
150
°C
15
°C
ELECTRICAL CHARACTERISTICS, LINE DRIVER
VDD = 3.3 V, R_LOAD = 10 kΩ, T_A = 25°C, Charge pump: C_CP = 1 µF, 1× gain select (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX
V_O
THD+N
SNR
DNR
Vn
Output voltage, outputs in phase
Total harmonic distortion plus noise
Signal-to-noise ratio
Dynamic range
Noise voltage
1% THD+N, f = 1 kHz, 10 -kΩ load
f = 1 kHz, 10-kΩ load, V_O = 2 V_rms
A-weighted, AES17 filter, 2 V_rms ref
A-weighted, AES17 filter, 2 V_rms ref
A-weighted, AES17 filter
2.2
0.007%
105
105
12
Zo
Output impedance when muted
MUTE = GND
0.07
1
Input-to-output attenuation when
muted
1 Vrms, 1-kHz input
80
Slew rate
4.5
G_BW
Unity-gain bandwidth
8
Crosstalk – Line L-R and R-L
10-kΩ load, V_O = 2 Vrms
–91
I_limit
Current limit
VDD = 3.3 V
25
UNIT
V_rms
dB
dB
μV
Ω
dB
V/μs
MHz
dB
mA
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