Continued from preceding page.
Parameter
Symbol
Conditions
min
typ
max
Unit
Negative/positive transfer gain
difference
G
IN
R
L
= 10
–1.0
0
+1.0
dB
Input dead zone voltage range
V
DZ
R
L
= 10
, output voltage difference
5 mV or less
0
30
mV
G-SELECT pin low-gain side
selection voltage
G-SELECT pin high-gain side
selection voltage
[SLED Drive Circuit]
SL REF pin input voltage
range
SL REF pin input bias current
Positive side setting offset
voltage between IN4
and SL REF
Dual side step width difference
voltage
SL MODE pin high voltage
SL MODE pin low voltage
[Muting Block]
Mute on voltage
Mute off voltage
[OP Amplifier Block]
Input offset voltage
Input bias current for each
input
Common-mode input voltage
range
Open-loop voltage gain
[External Voltage Input Block]
Minimum operating input
voltage when external voltage
input is applied
EXTDRV pin output current
VZ pin voltage
VZ pin inflow current
V
EXT
, V
EXT
-CHG pin
Input bias current
V
EXT
, V
EXT
-CHG pin
Step-up circuit reference
voltage
EXTBASE pin saturation
voltage
[OSC Block]
OSCPWR pin output voltage
Maximum oscillation frequency
Input bias current
[Pulse Charging Function]
Internal reference voltage
CHG-ON pin ON voltage
CHG-ON Pin OFF voltage
CHG-MON pin input bias
current
CHGDRV pin output current
[TSD Block]
Operating temperature
Temperature hysteresis width
V
GSELL-TH
2.0
V
V
GSELH-TH
1.0
V
V
SL REF
V
ASP REF
+0.1
V
CD
–1.0
V
I
B SL REF
V
SL REF
= 2 V
200
nA
V
off SL REF
V
SL REF
= 2.3 V, V
ASP REF
= 2 V
–20
+20
mV
V
SL DIFF
V
SL REF
= 2.3 V, V
ASP REF
= 2 V
–25
+25
mV
V
H SL MODE
V
L SL MODE
2.0
V
V
1.0
V
ON MUTE
V
OFF MUTE
2.0
V
V
1.0
V
OFF OP
–5
+5
mV
I
B OP
OPin(+) = OPin(–) = 2 V
200
nA
V
CM OP
V
CD
–1.5
V
G
V OP
at f = 10 kHz
31
34
37
dB
V
I EXT
R
IN
= 1 k
8.0
V
I
O EXT DRV
V
Z
I
VZ
I
B EXTCHG
I
B EXT
V
EXT
= 1 V (CHG-ON [L])
V
EXT
= 10 V, R
IN
= 1 k
170
6.4
210
6.9
250
7.4
20
μA
V
mA
V
EXT
= 1.5 V
V
EXT-CHG
= 1.5 V (CHG-ON [H])
200
nA
Vref
E-CHG
Vref
EXT
Both determined at EXTDRV pin
EXT-CHG side: CHG-ON [H]
1.23
1.28
1.33
V
V
EXTBASE
I
O
= 1 mA
0.2
V
V
OSCPWR
F
OSC max
I
B OSC
V
CC
–0.15
V
100
kHz
μA
V
OSC
= 0 V
–2.0
V
CHG REF
V
CHG-ON
V
CHG-OFF
0.32
2.0
0.35
0.38
V
V
V
1.0
I
B CHG MON
V
CHG MON
= 0.3 V
200
nA
I
O CHG DRV
V
CHG MON
= 0 V
2.4
3.0
3.6
mA
T
TSD
T
TSD
Design target value, Note 1
Design target value, Note 1
180
20
°C
°C
Note 1: For parameters which have an entry of ‘‘design target value’’ in the ‘‘Conditions’’ column, no measurements are made.
LB8109M
No.5233-3/9