AD7828 AD [Analog Devices], AD7828 Datasheet - Page 5

• Manufacturer Part Number: AD7828
• Description: LC2MOS High Speed 4- & 8-Channel 8-Bit ADCs
• Manufacturer: AD [Analog Devices]

REV. F
TPC 2. Accuracy vs. V
TPC 3. Signal Noise Ratio vs. Input Frequency
*1LSB =
–36
–38
–40
–42
–44
–46
–48
–50
–52
2.0
1.5
1.0
0.5
TPC 1. Conversion Time vs. Temperature
3
2
1
–100
0
0
1
ENCODE RATE = 400kHz
INPUT SIGNAL = 5V p-p
MEASUREMENT BANDWIDTH = 80kHz
V
256
REF
2
–50
1
T
3
A
– AMBIENT TEMPERATURE – C
4
INPUT FREQUENCY – kHz
5
0
REF
2
7
V
REF
[V
10
REF
– V
50
3
= V
V
20
Typical Performance Characteristics–AD7824/AD7828
DD
REF
= 5V
30 40 50 70
(+) – V
V
T
100
DD
A
4
= 25 C
= 5V
REF
(–)]
100
150
5
–5–
TPC 4. Power Supply Current vs. Temperature
(Not Including Reference Ladder)
2.0
1.5
1.0
0.5
14
13
12
11
10
10
–100
–100
9
8
0
8
6
4
2
0
300
TPC 6. Output Current vs. Temperature
400
–50
–50
TPC 5. Accuracy vs. t
T
T
A
A
– AMBIENT TEMPERATURE – C
– AMBIENT TEMPERATURE – C
500
I
SOURCE
I
SINK
0
0
, V
V
t
DD
P
, V
OUT
600
– ns
= 4.75V
OUT
= 0.4V
V
DD
= 2.4V
50
50
= 5V
700
V
DD
V
DD
P
= 5V
= 5.25V
100
100
V
V
T
DD
REF
A
800
= 25 C
= 5V
= 5V
900
150
150