W681310 Datasheet, PDF (24/36 Pages) Winbond – 3V SINGLE-CHANNEL VOICEBAND CODEC

W681310
10.4. ANALOG INPUT AND OUTPUT AMPLIFIER PARAMETERS
V_DD=2.7V to 3.6V; 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
GBW_TI AO, R_LD≥10kΩ
---
2150
AI Amp DC Open Loop Gain
AI Amp Equivalent Input Noise
AO Output Voltage Range
Load Resistance
G_TI
N_TI
V_TG
R_LDTGRO
AO, R_LD≥10kΩ
C-Message Weighted
R_LD=2kΩ to V_AG
AO, RO to V_AG
---
95
---
-24
0.4
---
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
Relative to V_SS
V_DD/2-0.1 V_DD/2
V_AG Output Resistance
Power Supply Rejection Ratio
(0 to 100 kHz to V_DD, C-
message)
PAI Input Offset Voltage
PAI Input Current
PAI Input Resistance
PAI Amp Gain Bandwidth
Product
Output Offset Voltage
R_VAG
PSRR
V_OFF,PAI
I_IN,PAI
R_IN,PAI
GBW_PI
V_OFF,PO
Within ±25mV change
Transmit
Receive
PAI
PAI
PAI to V_AG
PAO- no load
PAO+ to PAO-
---
12.5
40
60
40
60
---
---
---
±0.05
10
---
---
1000
---
---
MAX.
±25
±1.0
---
10
V_DD-1.2
---
---
---
---
V_DD-0.4
---
200
---
---
±25
V_DD/2+0.
1
25
---
---
±25
±1.0
---
---
±50
UNIT.
mV
μA
MΩ
pF
V
dB
kHz
dB
dBrnC
V
kΩ
pF
mA
Ω
mV
V
Ω
dBC
mV
μA
MΩ
kHz
mV
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