TCM320AC46 Datasheet, PDF (10/19 Pages) Texas Instruments – GEBERAL-PURPOSE AUDIO INTERFACE FOR DSP

TCM320AC46
ą
GENERALĆPURPOSE AUDIO INTERFACE FOR DSP
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SLWS001 − D4091, JUNE 1993
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted) (continued)
digital interface
VOH
VOL
IIH
IIL
Ci
Co
PARAMETER
High-level output voltage
Low-level output voltage
High-level input current
Low-level input current
Input capacitance
Output capacitance
DOUT
Any digital input
Any digital input
TEST CONDITIONS
IOH = − 3.2 mA,
IOL = 3.2 mA,
VI = 2.2 V to VCC
VI = 0 to 0.8 V
VCC = 5 V
VCC = 5 V
microphone interface^‡
PARAMETER
VIO
Input offset voltage at MICIN
IIB
Input bias current at MICIN
B1
Unity-gain bandwidth, open loop at MICIN
Ci
Input capacitance at MICIN
AV
Large-signal voltage amplification at MICGS
Output level at MICGS with MICMUTE active
IO(max) Maximum output current
VMID
MICBIAS
TEST CONDITIONS
VI = 0 to 5 V
VI = 4 V
speaker interface^‡
PARAMETER
TEST CONDITIONS
IIL
Input leakage at EARGS
VI = 0 to 5 V
VO(PP) AC output voltage peak-to-peak
VOO
Output offset voltage at EARA, EARB (single-ended) Relative to GND
Ro
Output resistance at EARA, EARB
IO(max) Maximum output current
RL = 600 Ω
AV
Large-signal voltage amplification
Gain change
EARMUTE low, max level when muted
† _{All typical values are at VCC = 5 V, TA = 25°C.}
‡ _{All parameters are measured between MICIN and GND (unless otherwise noted).}
MIN TYP†
2.4 4.6
0.2
5
5
MAX
0.4
20
20
MIN TYP† MAX
± 15
± 200
1
5
10000
− 80
1
1
MIN TYP†
100
1
4
− 80
MAX
± 300
3
±8
UNIT
V
V
µA
µA
pF
pF
UNIT
mV
nA
MHz
pF
V/V
dBm0
µA
mA
UNIT
nA
VPP
mV
Ω
mA
V/V
dB
10
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