MAT03 Analog Devices, Inc., MAT03 Datasheet - Page 10

• Manufacturer Part Number: MAT03
• Description: Low Noise, Matched Dual Pnp Transistor
• Manufacturer: Analog Devices, Inc.

MAT03
The full-scale output of the DAC08, I
of I
The current mirror output is I
FULL RANGE
HALF RANGE
ZERO SCALE
REF
I
I
I = 2 I
= 2
REF
FR
=



= 2 mA:
Input Code
DIGITAL CURRENT PUMP CODING
256
256
OUT
256
– 1.992 mA
× I
REF



, and I
(2 mA) – 1.992 mA.
Digital Input
B1 . . . B8
1111 1111
1000 0000
0000 0000
OUT
OUT
+
–
I
I
OUT
OUT
OUT
, is a linear function
= 1, so that if
= I
REF
Output Current
I = 1.992 mA
I = 0.008 mA
I = –1.992 mA
256
256