5962-9086302M3A Datasheet, PDF (19/39 Pages) Texas Instruments – VOICE-BAND ANALOG INTERFACE CIRCUITS

TLC32044C, TLC32044E, TLC32044I, TLC32044M, TLC32045C, TLC32045I
VOICE-BAND ANALOG INTERFACE CIRCUITS
SLAS017F − MARCH 1988 − REVISED MAY 1995
electrical characteristics over recommended operating free-air temperature range, V_CC+ = 5 V,
V_CC− = −5 V, V_DD = 5 V (unless otherwise noted)
total device, MSTR CLK frequency = 5.184 MHz, outputs not loaded
PARAMETER
TEST CONDITIONS
V_OH High-level output voltage
V_OL Low-level output voltage
I_{CC +} Supply current from V_{CC +}
TLC32044C, TLC32045C
TLC32044I, TLC32045I,
TLC32044E, TLC32044M
V_DD = 4.75 V,
I_OH = − 300 µA
V_DD = 4.75 V,
I_OL = 2 mA
I_{CC −} Supply current from V_{CC −}
TLC32044C, TLC32045C
TLC32044I, TLC32045I,
TLC32044E, TLC32044M
I_DD
V_ref
∝_Vref
r_o
Supply current from V_DD
TLC3204xC, E, I
TLC32044M
Internal reference output voltage
TLC3204xC, E, I
TLC32044M
Temperature coefficient of internal reference voltage
Output resistance at REF
f_{MSTR CLK} = 5.184 MHz
MIN TYP^† MAX UNIT
2.4
V
0.4
35
40
− 35
mA
− 40
3
2.9
200
100
7
8
3.3
V
3.3
ppm/°C
kΩ
receive amplifier input
PARAMETER
TEST CONDITIONS
A/D converter offset error (filters in)
Common-mode rejection ratio at IN +, IN −, or
CMRR _{AUX IN +, AUX IN −}
TLC32044C, E, I
TLC32044M
TLC32045C, I
TLC3204xC, E, I
TLC32044M
See Note 6
r_i
Input resistance at IN +, IN −, or AUX IN +, AUX IN −, REF
MIN TYP^†
10
10
10
55
35
55
100
MAX
70
85
75
UNIT
mV
dB
kΩ
transmit filter output
PARAMETER
TEST CONDITIONS
Output offset voltage at OUT + OUT −
V_{OO (single-ended relative to ANLG GND)}
TLC3204xC, E, I
TLC32044M
V_OM
Maximum peak output voltage swing across R_L at OUT + or OUT −
(single ended)
R_L ≥ 300 Ω,
Offset voltage = 0
Maximum peak output voltage swing between OUT + and OUT −
V_{OM (differential output)}
R_L ≥ 600 Ω
† _{All typical values are at TA = 25°C.}
NOTE 6: The test condition is a 0-dBm, 1-kHz input signal with an 8-kHz conversion rate.
MIN TYP^†
15
15
MAX
80
75
UNIT
mV
±3
V
±6
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