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參數資料
| 型號： | TCM320AC46DW |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO20 |
| 文件頁數： | 2/19頁 |
| 文件大?。?/td> | 246K |
| 代理商： | TCM320AC46DW |
TCM320AC46
GENERAL-PURPOSE AUDIO INTERFACE FOR DSP
SLWS001 – D4091, JUNE 1993
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
10
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted) (continued)
digital interface
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High-level output voltage
DOUT
IOH = – 3.2 mA,
VCC = 5 V
2.4
4.6
V
VOL
Low-level output voltage
DOUT
IOL = 3.2 mA,
VCC = 5 V
0.2
0.4
V
IIH
High-level input current
Any digital input
VI = 2.2 V to VCC
20
A
IIL
Low-level input current
Any digital input
VI = 0 to 0.8 V
20
A
Ci
Input capacitance
5
pF
Co
Output capacitance
5
pF
microphone interface
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIO
Input offset voltage at MICIN
VI = 0 to 5 V
±15
mV
IIB
Input bias current at MICIN
±200
nA
B1
Unity-gain bandwidth, open loop at MICIN
1
MHz
Ci
Input capacitance at MICIN
5
pF
AV
Large-signal voltage amplification at MICGS
10000
V/V
Output level at MICGS with MICMUTE active
VI = 4 V
–80
dBm0
IO(
)
Maximum output current
VMID
1
A
IO(max)
Maximum output current
MICBIAS
1
mA
speaker interface
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
IIL
Input leakage at EARGS
VI = 0 to 5 V
±300
nA
VO(PP)
AC output voltage peak-to-peak
3
VPP
VOO
Output offset voltage at EARA, EARB (single-ended)
Relative to GND
100
mV
Ro
Output resistance at EARA, EARB
1
IO(max)
Maximum output current
RL = 600
±8
mA
AV
Large-signal voltage amplification
4
V/V
Gain change
EARMUTE low, max level when muted
–80
dB
All typical values are at VCC = 5 V, TA = 25°C.
All parameters are measured between MICIN and GND (unless otherwise noted).
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