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DRV612_15 Datasheet, PDF (6/24 Pages) Texas Instruments – 2-Vrms DirectPath™ Line Driver With Programmable-Fixed Gain | |||
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DRV612
SLOS690B â DECEMBER 2010 â REVISED APRIL 2011
PROGRAMMABLE GAIN SETTINGS(1)(2)
VDD = 3.3 V, Rload = 10 kΩ, TA = 25°C, Charge pump: CCP = 1 μF, 1à gain select, unless otherwise noted
PARAMETER
TEST CONDITIONS
MIN
TYP
R_Tol
Gain programming resistor tolerance
ÎAV
Gain matching
Between left and right channels
0.25
Gain step tolerance
0.1
Gain resistor 2% tolerance
A
249k or higher
â2
82k5
â1
51k1
â1.5
34k8
â2.3
27k4
â2.5
Gain steps
20k5
15k4
â3
â3.5
11k5
â4
9k09
â5
7k50
â5.6
6k19
â6.4
5k11
â8.3
4k22
â10
Gain resistor 2% tolerance
A
249k or higher
37
82k5
55
51k1
44
34k8
33
27k4
31
Input impedance
20k5
15k4
28
24
11k5
22
9k09
18
7k50
17
6k19
15
5k11
12
4k22
10
(1) If the GAIN pin is left floating, an internal pullup sets the gain to â2Ã.
(2) Gain setting is latched during power up.
www.ti.com
MAX
2%
UNIT
dB
dB
V/V
kΩ
6
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