Datasheet

REV. A
AD9847
–7–
R
AVDD2
AVSS2
AVSS2
Circuit 1. CCDIN (Pin 29)
AVDD1
AVSS1
330
CLI
25k
1.4V
Circuit 2. CLI (Pin 23)
DVDD4 DVDD3
DVSS4 DVSS3
DATA
THREE-
STATE
DOUT
Circuit 3. Data Outputs D0–D9 (Pins 1–5, 8–12)
DVDD4
DVSS4
330
Circuit 4. Digital Inputs (Pins 36–44)
DVDD1
DVSS1
DATA
ENABLE
OUTPUT
Circuit 5. H1–H4 and RG (Pins 13, 14, 17, 18, 20)
Equivalent Input/Output Circuits
Typical Performance Characteristics
–0.50
0
1000
400
200 600 800
–0.25
0
0.25
0.50
TPC 1. Typical DNL
VGA GAIN CODE – LSB
0
0
1000
400
OUTPUT NOISE – LSB
200
1
600 800
2
3
4
TPC 2. Output Noise vs. VGA Gain Setting