參數(shù)資料
型號(hào)： TCM320AC54DW
廠商： Texas Instruments, Inc.
元件分類： Codec
英文描述： MONOLITHIC SERIAL INTERFACE COMBINED PCM CODEC AND FILTER
中文描述： 整體式串行接口的PCM編解碼器和過(guò)濾器
文件頁(yè)數(shù)： 6/23頁(yè)
文件大?。?/td> 317K
代理商： TCM320AC54DW
TCM320AC36, TCM320AC37
VOICE-BAND AUDIO PROCESSORS (VBAP
)
SLWS003C – MAY 1992 – REVISED APRIL – 1998
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and free-air temperature
(unless otherwise noted)
supply current, f
DCLKR
or f
DCLKX
= 2.048 MHz, outputs not loaded, V
CC
= 5 V, T
A
= 25
°
C
PARAMETER
Operating
PDN is high with CLK signal present
PDN is low for 500
μ
s
ICC
Supply current from VCC
Standby – both
PDN is high with FSX and FSR held low
PDN is high with either FSX or FSR pulsing with the
other held low
TEST CONDITIONS
MIN
MAX
9.9
UNIT
Power down
0.85
2
mA
Standby – one
6
digital interface
PARAMETER
TEST CONDITIONS
IOH = –3.2 mA,
IOL = 3.2 mA,
VI = 2.2 V to VCC
VI = 0 to 0.8 V
MIN
2.4
TYP
4.6
MAX
UNIT
V
VOH
VOL
IIH
IIL
Ci
Co
All typical values are at VCC = 5 V, TA = 25
°
C.
microphone interface
High-level output voltage
DOUT
VCC = 5 V
VCC = 5 V
Low-level output voltage
0.2
0.4
V
μ
A
μ
A
pF
High-level input current, any digital input
10
Low-level input current, any digital input
10
Input capacitance
5
Output capacitance
5
pF
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
±
5
±
200
UNIT
VIO
IIB
B1
Ci
AV
Input offset voltage at MICIN
VI = 0 to 5 V
mV
Input bias current at MICIN
nA
Unity-gain bandwidth, open loop at MICIN
1
MHz
Input capacitance at MICIN
5
pF
Large-signal voltage amplification at MICGS
10000
V/V
μ
A
VMID
1
IOmax
Maximum output current
MICBIAS
(source only)
1
mA
All typical values are at VCC = 5 V, TA = 25
°
C.
speaker interface
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VO(PP)
VOO
II(lkg)
IOmax
ro
AC output voltage
3
Vpp
Output offset voltage at EARA, EARB (single-ended)
Relative to GND
80
mVpk
Input leakage current at EARGS
VI = 0.5 V to (VCC – 0.5) V
RL = 600
±
200
±
5
nA
Maximum output current
mA
dB
Output resistance at EARA, EARB
1
Gain change
EARMUTE low, max level when muted
–80
All typical values are at VCC = 5 V, TA = 25
°
C.
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