Datasheet

(T
A
= +25°C, unless otherwise noted.)
6.2
6.4
6.6
6.8
7
7.2
7.4
-40 -15 10 35 60 85 110
I
CC
(mA)
TEMPERATURE (°C)
I
CC
vs. TEMPERATURE
toc01
V
CC
= 3.3V
I
MIROUT
= 0.4mA
I
MIROUT
= 1.0mA
-30
-25
-20
-15
-10
-5
0
50 500 5,000 50,000
NOISE ATTENUATION (dB)
NOISE FREQUENCY (Hz)
CURRENT MIRROR FILTER
FREQUENCY RESPONSE
0.01µF MIRCAP
CAPACITOR
toc05
0.1µF MIRCAP
CAPACITOR
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
1.60
1.80
2.00
-40 -15 10 35 60 85 110
V
VOP
(V)
TEMPERATURE (°C)
V
VOP
vs. TEMPERATURE
toc02
V
CC
= 3.3V
I
MIROUT
= 0.4mA
I
MIROUT
= 1.0mA
I
MIROUT
= 2.0mA
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0.01 0.10 1.00 10.00
CURRENT MIRROR RATIOS
MIROUT CURRENT (mA)
CURRENT MIRROR RATIO
vs. MIROUT CURRENT
toc06
K
VIP1
K
IOUT
K
VIP2
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7
V
VOP
(V)
V
CC
(V)
V
VOP
vs. V
CC
toc03
DIFFEN = LOW
I
MIROUT
= 0.4mA
I
MIROUT
= 1.0mA
I
MIROUT
= 2.0mA
SINGLE-ENDED OUTPUT, TRANSIENT
WITH 10% V
CC
STEP
50mV/div
2.0V/div
500mV/div
toc04
2.0ms/div
V
OUTN
V
INSIDE
V
BACKUP
V
SEN
V
CC
= 3.0V
V
CC
= 3.3V
V
VOP
Maxim Integrated │ 7
www.maximintegrated.com
DS3923 High-Speed Current Mirror
with Sample/Hold Output
Typical Operating Characteristics