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PCM2906CDB 其他数据使用手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
编解码器
封装:
SSOP-28
描述:
TEXAS INSTRUMENTS PCM2906CDB 音频编解码器, USB接口, 立体声, 2, 2, -25 °C, 85 °C, 48 kSPS
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P6Hot
原理图在P7P8
封装尺寸在P26P27P28
型号编码规则在P2
标记信息在P2
封装信息在P2P26P27P28
技术参数、封装参数在P2
应用领域在P1P25P30
电气规格在P3P4P5
导航目录
PCM2906CDB数据手册
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28
27
26
25
24
23
22
21
20
19
18
17
16
15
D+
D–
V
BUS
DGNDU
HID0
HID1
HID2
SEL0
SEL1
V
CCCI
AGNDC
V L
IN
V R
IN
V
COM
SSPND
DIN
V
CCXI
AGNDX
XTO
V
CCP2I
DGND
V
CCP1I
V L
OUT
XTI
DOUT
V
DDI
AGNDP
V R
OUT
P0007-05
PCM2906C
SBFS037 –NOVEMBER 2011
www.ti.com
PIN ASSIGNMENTS
DB PACKAGE
SSOP-28
(TOP VIEW)
Table 1. TERMINAL FUNCTIONS
NAME NO. I/O DESCRIPTION
AGNDC 11 — Analog ground for codec
AGNDP 18 — Analog ground for PLL
AGNDX 22 — Analog ground for oscillator
D– 2 I/O USB differential input/output minus
(1)
D+ 1 I/O USB differential input/output plus
(1)
DGND 26 — Digital ground
DGNDU 4 — Digital ground for USB transceiver
DIN 24 I S/PDIF input
(2)
DOUT 25 O S/PDIF output
HID0 5 I HID key state input (mute), active-high
(3)
HID1 6 I HID key state input (volume up), active-high
(3)
HID2 7 I HID key state input (volume down), active-high
(3)
SEL0 8 I Must be set to high
(4)
SEL1 9 I Must be set to high
(4)
SSPND 28 O Suspend flag, active-low (Low: suspend, High: operational)
V
BUS
3 — Connect to USB power (V
BUS
)
V
CCCI
10 — Internal analog power supply for codec
(5)
V
CCP1I
17 — Internal analog power supply for PLL
(5)
V
CCP2I
19 — Internal analog power supply for PLL
(5)
V
CCXI
23 — Internal analog power supply for oscillator
(5)
V
COM
14 — Common for ADC/DAC (V
CCCI
/2)
(5)
V
DDI
27 — Internal digital power supply
(5)
V
IN
L 12 I ADC analog input for L-channel
V
IN
R 13 I ADC analog input for R-channel
V
OUT
L 16 O DAC analog output for L-channel
V
OUT
R 15 O DAC analog output for R-channel
XTI 21 I Crystal oscillator input
(6)
XTO 20 O Crystal oscillator output
(1) LV-TTL level.
(2) 3.3-V CMOS-level input with internal pulldown, 5-V tolerant.
(3) 3.3-V CMOS-level input with internal pulldown. This pin informs the PC of serviceable control signals such as mute, volume up, or
volume down, which have no direct connection with the internal DAC or ADC. See the Interface #3 and End-Points sections.
(4) TTL Schmitt trigger, 5-V tolerant.
(5) Connect a decoupling capacitor to GND.
(6) 3.3-V CMOS-level input.
6 Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated
Product Folder Link(s): PCM2906C
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