DRV612
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ZHCS317B –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 MIN TYP MAX UNIT
|V
OS
| Output offset voltage VDD = 3.3 V, input ac-coupled 0.5 1 mV
PSRR Power-supply rejection ratio 70 80 dB
V
OH
High-level output voltage VDD = 3.3 V 3.1 V
V
OL
Low-level output voltage VDD = 3.3 V –3.05 V
Vuvp_on VDD, undervoltage detection 2.8 V
Vuvp_hysteresis VDD, undervoltage detection, hysteresis 200 mV
F
CP
Charge-pump switching frequency 350 kHz
|I
IH
| High-level input current, MUTE VDD = 3.3 V, V
IH
= VDD 1 µA
|I
IL
| Low-level input current, MUTE VDD = 3.3 V, V
IL
= 0 V 1 µA
I
(VDD)
Supply current, no load VDD, MUTE = 3.3 V 18 mA
Supply current, MUTED VDD = 3.3 V, MUTE = GND 18 mA
T
SD
Thermal shutdown 150 °C
Thermal shutdown hysteresis 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 UNIT
V
O
Output voltage, outputs in phase 1% THD+N, f = 1 kHz, 10 -kΩ load 2.2 V
rms
THD+N Total harmonic distortion plus noise f = 1 kHz, 10-kΩ load, V
O
= 2 V
rms
0.007%
SNR Signal-to-noise ratio A-weighted, AES17 filter, 2 V
rms
ref 105 dB
DNR Dynamic range A-weighted, AES17 filter, 2 V
rms
ref 105 dB
Vn Noise voltage A-weighted, AES17 filter 12 μV
Zo Output impedance when muted MUTE = GND 0.07 1 Ω
Input-to-output attenuation when 1 Vrms, 1-kHz input
80 dB
muted
Slew rate 4.5 V/μs
G
BW
Unity-gain bandwidth 8 MHz
Crosstalk – Line L-R and R-L 10-kΩ load, V
O
= 2 Vrms –91 dB
I
limit
Current limit VDD = 3.3 V 25 mA
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