Tripath Technology, Inc. – Preliminary Technical Information
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
TEST
TEST
GD
MCK
SCK
SDA
DATA12
DATA34
DATAHP
BITCK
LRCK
VD18EN
RESETB
TESTMODE
ADDR2
TEST
ADDR1
GD
GA
NC
NC
TEST
TEST
TEST
VD33
VD18CAP
GD
GA
GA
REXT
V2BGFILT
VA33
GA
NC
NC
V2BG
HP1
HP2
GA50
VA50
VCLAMP_SE
VCLAMP_BR
VPPSENSE
Float
Float
Power
3.3V Logic Input
3.3V Logic Input
3.3V Logic Input
3.3V Logic Input
3.3V Logic Input
3.3V Logic Input
3.3V Logic Input
3.3V Logic Input
3.3V Logic Input
3.3V Logic Input
3.3V Logic Input
3.3V Logic Input
Float
3.3V Logic Input
Ground
Ground
Float
Float
Float
Float
Float
Power
Output
Ground
Ground
Ground
Output
Output
Power
Ground
Float
Float
Output
Output
Output
Ground
Power
Input
Input
Input
Test pin – must be kept floating
Test pin – must be kept floating
Digital ground
Master clock digital input
2
I C clock input
2
I C serial data input
PCM audio input for channels 1 and 2
PCM audio input for channels 3 and 4
PCM audio input for headphone output channels 1 and 2
PCM audio bit clock input
PCM audio left/right clock input
1.8V internal regulator enable
Reset input – resets internal registers
Test mode enable – must be kept grounded
Chip address select 2
Test pin – must be kept floating
Chip address select 1
Digital ground
Analog ground
Not internally connected
Not internally connected
Test pin – must be kept floating
Test pin – must be kept floating
Test pin – must be kept floating
3.3V digital power supply
Decoupling point for internal 1.8V regulator
Digital ground
Analog ground
Analog ground
Analog current reference output – requires 10K ohms +/- 1% to GA
Reference Voltage
3.3V analog power supply
Analog ground
Not internally connected
Not internally connected
Reference Voltage
Headphone amplifier output channel 1
Headphone amplifier output channel 2
Analog ground for VA50
5V analog power supply
Soft clamp threshold voltage input to control audio signal clipping with
single ended stages (see SE/BRGB pin)
Soft clamp threshold voltage input to control audio signal clipping with
bridged output stages (see SE/BRGB pin)
Overvoltage and Undervoltage sensing for the VPP supply
8
TCD6001 – JL/Rev. 0.9/07.05
TRIPATH [ TRIPATH TECHNOLOGY INC. ]
