KT8554B Datasheet, PDF (7/10 Pages) Samsung semiconductor – 1 CHIP CODECS

KT8554B/7B
1 CHIP CODECS
TRANSMISSION CHARACTERISTICS
(Unless otherwise specified : Ta = 0^oC to 70 ^oC, V_CC = 5V ±5%, V_BB = -5V ±5%, GNDA = 0V, f = 1.02KHz,
V_IN = 0dBm0, transmit input amplifier connected for unity-gain non-inverting.)
Characteristic
Amplitude Respons
Receive Gain, Absolute
Receive Gain, Relative to G_{V (ARX)}
Absolute Receive Gain Variation
with Temperature
Absolute Receive Gain Variation
with Supply Voltage
Receive Gain Variations with
Level
Receive Output Drive Level
Absolute Levels
Max Overload Level
Transmit Gain, Absolute
Transmit Gain, Relative to G_{V (ATX)}
Absolute Transmit Gain Variation
with Temperature
Absolute Transmit Gain Variation
with Supply Voltage
Transmit Gain Variations with
Level
Symbol
Test Conditions
G_{V (ARX)}
G_{V (RRX)}
∆G_{V (ARX)}
/∆T
∆G_{V (ARX)}
/∆V
∆G_{V (RXL)}
V_{O (RX)}
V_AL
V_{OL (MAX)}
G_{V (ATX)}
G_{V (RTX)}
∆G_V(ATX)
/∆T
∆G_{V (ATX)}
/∆V
∆G_{V (TXL)}
Ta = 25 ^oC, V_CC = 5V, V_BB = -5V
Input = Digital code sequence for
0dBm0 signal at 1020Hz
f = 0Hz to 3000Hz
f = 3300Hz
f = 3400Hz
f = 4000Hz
Ta = 0 ^oC to 70 ^oC
V_CC = 5V ±5%, V_BB = -5V ±5%
Sinusoidal test method ; reference
input PCM code corresponds to an
Ideally encoded -10dBm0 signal
PCM level = -40dBm0 to +3dBm0
PCM level = -50dBm0 to -40dBm0
PCM level = -55dBm0 to -50dBm0
R_L = 600Ω
Nominal 0dBm0 level is 4dBm (600Ω)
0dBm0
Max overload level (3.17dBm0):
KT8554B
Max overload level (3.14dBm0):
KT8557B
Ta = 25 ^oC, V_CC = 5V, V_BB = -5V
Input at GS_X = 0dBm0 at 1020Hz
f = 16Hz
f = 50Hz
f = 60Hz
f = 200Hz
f = 300Hz - 3000Hz
f = 3300Hz
f = 3400Hz
f = 4000Hz
f = 4600Hz and up, measure
response from 0Hz to 4000Hz
Ta = 0 ^oC to 70 ^oC
V_CC = 5V ±5%, V_BB = -5V ±5%
Sinusoldal test method
Reference level = - 10dBm0
VF_XI + = - 40dBm0 to + 3dBm0
VF_XI + = - 50dBm0 to - 40dBm0
VF_XI + = - 55dBm0 to - 50dBm0
Min Typ Max Unit
-0.15
-0.15
-0.35
-0.7
0.15 dB
0.15 dB
0.05 dB
0 dB
-14 dB
±0.1 _dB
±0.05 _dB
-0.2
0.2 dB
-0.4
0.4 dB
-1.2
1.2 dB
-2.5
2.5
V
1.2276
V_rms
2.501
V_PK
-0.15
-1.8
-0.15
-0.35
-0.7
- 0.2
- 0.4
- 1.2
0.15 dB
-40 dB
-30 dB
-26 dB
-0.1 dB
0.15 dB
0.05 dB
0
dB
-14 dB
-32 dB
±0.1 _dB
±0.05 _dB
0.2 dB
0.4 dB
1.2 dB