
W6810
- 24 -
10.4. A
NALOG
I
NPUT AND
O
UTPUT
A
MPLIFIER
P
ARAMETERS
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.
MAX.
UNIT.
AI Input Offset Voltage
V
OFF,AI
AI+, AI-
---
---
±
25
mV
AI Input Current
I
IN,AI
AI+, AI-
---
±
0.1
±
1.0
μ
A
AI Input Resistance
R
IN,AI
AI+, AI- to V
AG
10
---
---
M
AI Input Capacitance
C
IN,AI
AI+, AI-
---
---
10
pF
AI Common Mode Input Voltage
Range
V
CM,AI
AI+, AI-
1.2
---
V
DD
-1.2
V
AI Common Mode Rejection
Ratio
CMRR
TI
AI+, AI-
---
60
---
dB
AI Amp Gain Bandwidth Product
GBW
TI
AO, R
LD
≥
10k
AO, R
LD
≥
10k
---
2150
---
kHz
AI Amp DC Open Loop Gain
G
TI
---
95
---
dB
AI Amp Equivalent Input Noise
N
TI
C-Message Weighted
---
-24
---
dBrnC
AO Output Voltage Range
V
TG
R
LD
=10k
to V
AG
R
LD
=2k
to V
AG
0.5
1.0
---
---
V
DD
-0.5
V
DD
-1.0
V
Load Resistance
R
LDTGRO
AO, RO to V
AG
2
---
---
k
Load Capacitance
C
LDTGRO
AO, RO
---
---
100
pF
AO & RO Output Current
I
OUT1
0.5
≤
AO,RO-
≤
V
DD
-0.5
±
1.0
---
---
mA
RO- Output Resistance
R
RO-
RO-, 0 to 3400 Hz
---
1
---
RO- Output Offset Voltage
V
OFF,RO-
RO- to V
AG
---
---
±
25
mV
Analog Ground Voltage
V
AG
Relative to V
SS
Within
±
25mV change
2.429
2.5
2.573
V
V
AG
Output Resistance
R
VAG
---
2.5
12.5
Power Supply Rejection Ratio (0
to 100 kHz to V
DD
, C-message)
PSRR
Transmit
Receive
30
30
80
75
---
---
dBC
PAI Input Offset Voltage
V
OFF,PAI
PAI
---
---
±
20
mV
PAI Input Current
I
IN,PAI
PAI
---
±
0.05
±
1.0
μ
A
PAI Input Resistance
R
IN,PAI
PAI to V
AG
10
---
---
M
PAI Amp Gain Bandwidth
Product
GBW
PI
PAO- no load
---
1000
---
kHz
Output Offset Voltage
V
OFF,PO
PAO+ to PAO-
---
---
±
50
mV
Load Resistance
R
LDPO
PAO+, PAO-
differentially
300
---
---
Load Capacitance
C
LDPO
PAO+, PAO-
differentially
---
---
1000
pF