TCM320AC56 Datasheet, PDF (6/23 Pages) Texas Instruments – VOICE-BAND AUDIO PROCESSORS (VBAP)

TCM320AC56, TCM320AC57
VOICE-BAND AUDIO PROCESSORS (VBAP)
SLWS016A – JUNE 1996 – REVISED APRIL 1997
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
TEST CONDITIONS
MIN
Operating
PDN is high with CLK signal present
ICC Supply current from VCC
Power down
Standby – both
PDN is low for 500 µs
PDN is high with FSX and FSR held low
Standby – one
PDN is high with either FSX or FSR pulsing
with the other held low
MAX
9.9
0.85
2
6
UNIT
mA
digital interface
PARAMETER
VOH
VOL
High-level output voltage
Low-level output voltage
DOUT
IIH
High-level input current, any digital input
IIL
Low-level input current, any digital input
Ci
Input capacitance
Co
Output capacitance
† _{All typical values are at VCC = 5 V, TA = 25°C.}
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
IOmax Maximum output current
VMID
MICBIAS (source only)
† _{All typical values are at VCC = 5 V, TA = 25°C.}
speaker interface
VO(PP)
VOO
II(lkg)
IOmax
ro
PARAMETER
AC output voltage
Output offset voltage at EARA, EARB (single-ended)
Input leakage current at EARGS
Maximum output current
Output resistance at EARA, EARB
Gain change
† _{All typical values are at VCC = 5 V, TA = 25°C.}
TEST CONDITIONS
IOH = – 3.2 mA, VCC = 5 V
IOL = 3.2 mA, VCC = 5 V
VI = 2.2 V to VCC
VI = 0 to 0.8 V
MIN TYP^†
2.4 4.6
0.2
5
5
MAX
0.4
10
10
UNIT
V
V
µA
µA
pF
pF
TEST CONDITIONS
VI = 0 to 5 V
MIN TYP^†
1
5
10 000
1
1
MAX
±5
± 200
UNIT
mV
nA
MHz
pF
V/ V
µA
mA
TEST CONDITIONS
Relative to GND
VI = 0.5 V to (VCC – 0.5) V
RL = 600 Ω
EARMUTE low,
max level when muted
MIN TYP^†
1
MAX
3
80
± 200
±5
UNIT
Vpp
mVpk
nA
mA
Ω
– 80
dB
6
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