Datasheet

Rev. C | Page 40 of 48 | January 2008
ADSP-2184L/ADSP-2185L/ADSP-2186L/ADSP-2187L
OUTPUT DRIVE CURRENTS
Figure 32 through Figure 35 show typical I-V characteristics for
the output drivers on the ADSP-218xL processors. The curves
represent the current drive capability of the output drivers as a
function of output voltage.
Figure 32. Typical Output Driver Characteristics (ADSP-2184L)
Figure 33. Typical Output Driver Characteristics (ADSP-2185L)
SOURCE VOLTAGE – V
00.51.0
S
O
U
R
C
E
C
U
R
R
E
N
T
–
m
A
60
0
–20
–40
–60
40
20
V
DDEXT
= 3.6V @ –40ⴗC
V
DDEXT
=3.3V@+25ⴗC
V
DDEXT
=3.0V@+85ⴗC
V
DDEXT
=3.6V@–40 ⴗ C
80
–80
1.5 2.0 2.5 3.0 3.5
V
OH
V
DDEXT
=3.3V@+25ⴗC
V
DDEXT
=3.0V@+85ⴗC
V
OL
SOURCE VOLTAGE – V
00.51.0
S
O
U
R
C
E
C
U
R
R
E
N
T
–
m
A
60
0
–20
–40
–60
40
20
V
DDEXT
=3.6V@–40ⴗC
V
DDEXT
=3.3V@+25ⴗC
V
DDEXT
=3.0V@+85ⴗC
V
DDEXT
=3.6V@–40 ⴗ C
80
–80
1.5 2.0 2.5 3.0 3.5
V
OH
V
DDEXT
=3.3V@+25ⴗC
V
DDEXT
=3.0V@+85ⴗC
V
OL
4.0
Figure 34. Typical Output Driver Characteristics (ADSP-2186L)
Figure 35. Typical Output Driver Characteristics (ADSP-2187L)
SOURCE VOLTAGE – V
00.51.0
S
O
U
R
C
E
C
U
R
R
E
N
T
–
m
A
60
0
–20
–40
–60
40
20
V
DDEXT
= 3.6V @ –40ⴗC
V
DDEXT
=3.3V@+25ⴗC
V
DDEXT
=3.0V@+85ⴗC
V
DDEXT
=3.6V@–40 ⴗ C
80
–80
1.5 2.0 2.5 3.0 3.5
V
OH
V
DDEXT
=3.3V@+25ⴗC
V
DDEXT
=3.0V@+85ⴗC
V
OL
SOURCE VOLTAGE – V
00.51.0
S
O
U
R
C
E
C
U
R
R
E
N
T
–
m
A
60
0
–20
–40
–60
40
20
V
DDEXT
=3.6V@–40ⴗC
V
DDEXT
=3.3V@+25ⴗC
V
DDEXT
=3.0V@+85ⴗC
V
DDEXT
=3.6V@–40 ⴗ C
80
–80
1.5 2.0 2.5 3.0 3.5
V
OH
V
DDEXT
=3.3V@+25ⴗC
V
DDEXT
=3.0V@+85ⴗC
V
OL
4.0