W681513_05 Datasheet, PDF (24/35 Pages) Winbond – 5V SINGLE-CHANNEL VOICEBAND CODEC FOR USB APPLICATIONS

W681513
10.4. ANALOG INPUT AND OUTPUT AMPLIFIER PARAMETERS
V_DD=5V ±10%; V_SS=0V; T_A=-40°C to +85°C; all analog signals referred to V_AG;
PARAMETER
SYM.
CONDITION
MIN. TYP.
AI Input Offset Voltage
V_OFF,AI
AI+, AI-
---
---
AI Input Current
I_IN,AI
AI+, AI-
--- ±0.1
AI Input Resistance
R_IN,AI
AI+, AI- to V_AG
10
---
AI Input Capacitance
AI Common Mode Input Voltage
Range
C_IN,AI
V_CM,AI
AI+, AI-
AI+, AI-
---
---
1.2
---
AI Common Mode Rejection
Ratio
CMRR_TI AI+, AI-
---
60
AI Amp Gain Bandwidth Product
AI Amp DC Open Loop Gain
AI Amp Equivalent Input Noise
AO Output Voltage Range
Load Resistance
GBW_TI
G_TI
N_TI
V_TG
R_LDTGRO
AO, R_LD≥10kΩ
AO, R_LD≥10kΩ
C-Message Weighted
R_LD=10kΩ to V_AG
R_LD=2kΩ to V_AG
AO, RO to V_AG
--- 2150
---
95
---
-24
0.5
---
1.0
---
2
---
Load Capacitance
AO & RO Output Current
RO+ Output Resistance
C_LDTGRO AO, RO
---
---
I_OUT1
0.5 ≤AO,RO+≤ V_DD-0.5 ±1.0 ---
R_RO+
RO+, 0 to 3400 Hz
---
1
RO+ Output Offset Voltage
V_OFF,RO+ RO+ to V_AG
---
---
Analog Ground Voltage
V_AG Output Resistance
V_AG
R_VAG
Relative to V_SS
2.429 2.5
Within ±25mV change
---
2.5
Power Supply Rejection Ratio (0 PSRR
to 100 kHz to V_DD, C-message)
Transmit
Receive
40
80
40
75
PAI Input Offset Voltage
V_OFF,PAI PAI
---
---
PAI Input Current
I_IN,PAI
PAI
--- ±0.05
PAI Input Resistance
R_IN,PAI
PAI to V_AG
10
---
PAI Amp Gain Bandwidth
Product
GBW_PI PAO- no load
--- 1000
Output Offset Voltage
V_OFF,PO PAO+ to PAO-
---
---
Load Resistance
R_LDPO
PAO+, PAO-
differentially
300 ---
Load Capacitance
C_LDPO
PAO+, PAO-
differentially
---
---
MAX.
±25
±1.0
---
10
V_DD-1.2
---
---
---
---
V_DD-0.5
V_DD-1.0
---
100
---
---
±25
2.573
12.5
---
---
±20
±1.0
---
---
±50
---
1000
UNIT.
mV
μA
MΩ
pF
V
dB
kHz
dB
dBrnC
V
kΩ
pF
mA
Ω
mV
V
Ω
dBC
mV
μA
MΩ
kHz
mV
Ω
pF
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