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TCM37C14A Datasheet(PDF) 7 Page - Texas Instruments

Part No. TCM37C14A
Description  PCM COMBO WITH PROGRAMMABLE GAIN CONTROL
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TCM37C14A Datasheet(HTML) 7 Page - Texas Instruments

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TCM37C14A, TCM37C15A
PCM COMBO WITH PROGRAMMABLE GAIN CONTROL
SLWS018B – JUNE 1996 – REVISED MAY 1998
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (outputs not loaded) (unless otherwise noted) (continued)
power supply rejection and crosstalk attenuation
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
VCC supply voltage rejection ratio transmit channel
0 < f < 30 kHz
Idle channel,
supply signal
200 mVpp
–40
dB
VCC supply voltage rejection ratio, transmit channel
30 < f < 50 kHz
supply signal = 200 mVpp,
f measured at PCMOUT
–45
dB
VBB supply voltage rejection ratio transmit channel
0 < f < 30 kHz
Idle channel,
supply signal = 200 mVpp,
–35
dB
VBB supply voltage rejection ratio, transmit channel
30 < f < 50 kHz
yg
,
f measured at PCMOUT
Idle channel,
–55
dB
VCC supply voltage rejection ratio, receive channel
0 < f < 30 kHz
Idle channel,
supply signal = 200 mVpp,
–40
dB
CC
yg
j
,
(single ended)
30 < f < 50 kHz
yg
,
narrow-band,
f measured at PWRO+
–45
dB
VBB supply voltage rejection ratio, receive channel
0 < f < 30 kHz
Idle channel,
supply signal = 200 mVpp,
–40
dB
BB
yg
j
,
(single ended)
30 < f < 50 kHz
yg
,
narrow-band,
f measured at PWRO+
–45
dB
Crosstalk attenuation, transmit-to-receive at PWRO + (single ended)
ANLGIN = 0 dBm0,
f = 1.02 kHz, unity gain,
PCMIN = lowest decode level
75
dB
Crosstalk attenuation, receive-to-transmit at PWRO + (single ended)
PCMIN = 0 dBm0,
f = 1.02 kHz
75
dB
† All typical values are at VBB = –5 V, VCC = 5 V, and TA = 25°C.
distortion
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
0 > ANLGIN
≥ –30 dBm0
36
Transmit signal to distortion ratio, sinusoidal input (CCITT G.712 – Method 2)
– 30 > ANLGIN
≥ –40 dBm0
30
dB
– 40 > ANLGIN
≥ –45 dBm0
25
0 > ANLGIN
≥ –30 dBm0
36
Receive signal to distortion ratio, sinusoidal input (CCITT G.712 – Method 2)
– 30 > ANLGIN
≥ –40 dBm0
30
dB
– 40 > ANLGIN
≥ –45 dBm0
25
Transmit single-frequency distortion products
Input signal = 0 dBm0
–46
dBm0
Receive single-frequency distortion products
Input signal = 0 dBm0
–46
dBm0
CCITT G.712 (7.1)
–35
Intermodulation distortion, end-to-end
CCITT G.712 (7.2)
–49
dBm0
Spurious out-of-band signals, end-to-end
CCITT G.712 (6.1)
–25
dBm0
CCITT G.712 (9)
–40


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