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W681512 Datasheet, PDF (24/38 Pages) Winbond – SINGLE-CHANNEL VOICEBAND CODEC
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W681512
10.4. ANALOG INPUT AND OUTPUT AMPLIFIER PARAMETERS
VDD=5V ±10%; VSS=0V; TA=-40°C to +85°C; all analog signals referred to VAG;
PARAMETER
SYM.
CONDITION
MIN.
TYP.
AI Input Offset Voltage
AI Input Current
AI Input Resistance
AI Input Capacitance
AI Common Mode Input Voltage
Range
VOFF,AI
IIN,AI
RIN,AI
CIN,AI
VCM,AI
AI+, AI-
AI+, AI-
AI+, AI- to VAG
AI+, AI-
AI+, AI-
---
---
---
±0.1
10
---
---
---
1.2
---
AI Common Mode Rejection Ratio
AI Amp Gain Bandwidth Product
AI Amp DC Open Loop Gain
AI Amp Equivalent Input Noise
AO Output Voltage Range
CMRRTI
GBWTI
GTI
NTI
VTG
Load Resistance
Load Capacitance
Load Capacitance
AO & RO Output Current
RLDTGRO
CLDTGAO
CLDTGRO
IOUT1
AI+, AI-
AO, RLD≥10kΩ
AO, RLD≥10kΩ
C-Message Weighted
RLD=10kΩ to VAG
RLD=2kΩ to VAG
AO, RO to VAG
AO
RO
0.5 ≤AO,RO+, RO-≤ VDD-
0.5
---
60
---
2150
---
95
---
-24
0.5
---
1.0
---
2
---
---
---
---
---
±1.0
---
RO+, RO- Output Resistance
RO+, RO- Output Offset Voltage
Analog Ground Voltage
VAG Output Resistance
Power Supply Rejection Ratio (0 to
100 kHz to VDD, C-message)
RRO+, RO-
VOFF,RO+,RO-
VAG
RVAG
PSRR
RO+, RO-, 0 to 3400 Hz
RO+ to VAG
Relative to VSS
Within ±25mV change
Transmit
Receive
---
1
---
---
2.2
2.4
---
2.5
30
80
30
75
PAI Input Offset Voltage
PAI Input Current
PAI Input Resistance
PAI Amp Gain Bandwidth Product
Output Offset Voltage
Load Resistance
Load Capacitance
PO Output Current
VOFF,PAI
IIN,PAI
RIN,PAI
GBWPI
VOFF,PO
RLDPO
CLDPO
IOUTPO
PO Output Resistance
RPO
PAI
PAI
PAI to VAG
PAO- no load
PAO+ to PAO-
PAO+, PAO- differentially
PAO+, PAO- differentially
VSS + 0.7 ≤PAO- or PAO+≤
VDD-0.7
PAO+ to PAO-
---
---
10
---
---
300
---
±10.0
---
---
±0.05
---
1000
---
---
---
---
1
MAX.
±25
±1.0
---
10
VDD-1.2
UNIT.
mV
μA
MΩ
pF
V
---
---
---
---
VDD-0.5
VDD-1.0
---
100
500
---
dB
kHz
dB
dBrnC
V
kΩ
pF
pF
mA
---
Ω
±25
mV
2.6
V
12.5
Ω
---
dBC
---
±25
mV
±1.0
μA
---
MΩ
---
kHz
±50
mV
---
Ω
1000
pF
---
mA
---
Ω
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