TLC32047C Datasheet, PDF (37/61 Pages) Texas Instruments – Wide-Band Analog Interface Circuit

3.3.2 Power Supply Rejection and Crosstalk Attenuation
PARAMETER
TEST CONDITIONS
MIN TYP† MAX UNIT
VCC+ or VCC _– supply voltage
rejection ratio, receive channel
f = 0 to 30 kHz
f = 30 kHz to 50 kHz
Idle channel, supply
signal at 200 mV p-p
measured at DR (ADC
output)
VCC+ or VCC _– supply voltage f = 0 to 30 kHz
Idle channel, supply
rejection ratio, transmit channel
signal at 200 mV p-p
(single-ended)
f = 30 kHz to 50 kHz _{measured at OUT+}
30
dB
45
30
dB
45
Crosstalk attenuation, transmit-to-receive
(single-ended)
† _{All typical values are at TA = 25°C.}
3.3.3 Serial Port
PARAMETER
VOH High-level output voltage
VOL
Low-level output voltage
II
Input current
II
Input current, DATA-DR/CONTROL
Ci
Input capacitance
Co
Output capacitance
† _{All typical values are at TA = 25°C.}
80
dB
TEST CONDITIONS
IOH = – 300 µA
IOL = 2 mA
MIN TYP†
2.4
15
15
MAX
0.4
± 10
±100
UNIT
V
V
µA
µA
pF
pF
3.3.4
Receive Amplifier Input
PARAMETER
A/D converter offset error (filters in)
TEST CONDITIONS
MIN TYP† MAX UNIT
10
70 mV
CMRR ^{Common-mode rejection ratio at IN+, IN –, or}
AUX IN+, AUX IN –
See Note 6
55
dB
ri
Input resistance at IN+, IN – or AUX IN+,
AUX IN –, REF
100
kΩ
† _{All typical values are at TA = 25°C.}
NOTE 6: The test condition is a 0-dBm, 1-kHz input signal with a 24-kHz conversion rate.
3.3.5 Transmit Filter Output
PARAMETER
TEST CONDITIONS MIN TYP† MAX UNIT
VOO
Output offset voltage at OUT+ or OUT–
(single-ended relative to ANLG GND)
15
80 mV
VOM
Maximum peak output voltage swing across
RL at OUT+ or OUT– (single-ended)
RL ≥ 300 Ω,
Offset voltage = 0
±3
V
Maximum peak output voltage swing between
OUT+ and OUT– (differential output)
RL ≥ 600 Ω,
±6
V
† _{All typical values are at TA = 25°C.}
3–3