參數(shù)資料
型號: EVAL-AD7609EDZ
廠商: Analog Devices Inc
文件頁數(shù): 9/36頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD7609
標(biāo)準(zhǔn)包裝: 1
ADC 的數(shù)量: 8
位數(shù): 18
采樣率(每秒): 200k
數(shù)據(jù)接口: DSP,MICROWIRE?,并聯(lián),QSPI?,串行,SPI?
輸入范圍: ±10 V
在以下條件下的電源(標(biāo)準(zhǔn)): 100mW @ 200kSPS
工作溫度: -40°C ~ 85°C
已用 IC / 零件: AD7609
已供物品:
Data Sheet
AD7609
Rev. A | Page 17 of 36
80
85
90
95
100
105
10
100
10k
100k
S
NR
(
d
Bs)
INPUT FREQUENCY (Hz)
NO OS
OS × 2
OS × 4
OS × 8
OS × 16
OS × 32
OS × 64
AVCC, VDRIVE = 5V
fSAMPLE CHANGES WITH OS RATE
TA = 25°C
INTERNAL REFERENCE
±5V RANGE
09760-
018
Figure 20. SNR vs. Input Frequency, ±5 V Range
–120
–110
–100
–90
–80
–70
–60
1
10
100
T
HD
(
d
B)
FREQUENCY (kHz)
±10V RANGE
AVCC, VDRIVE = 5V
TA = 25°C
fSAMPLE = 200 kSPS
RSOURCE MATCHED
ON Vx+, Vx– INPUTS
10k
5k
10
0
1.2k
500
09760-
020
Figure 21. THD vs. Input Frequency for Various Source Impedances,
±10 V Range
–120
–110
–100
–90
–80
–70
–60
–50
–40
1
10
100
T
HD
(
d
B)
FREQUENCY (kHz)
09760-
019
±5V RANGE
AVCC, VDRIVE = 5V
TA = 25°C
fSAMPLE = 200 kSPS
RSOURCE MATCHED
ON Vx+, Vx– INPUTS
10k
5k
10
0
1.2k
500
Figure 22. THD vs. Input Frequency for Various Source Impedances,
±5 V Range
200 kSPS
AVCC,VDRIVE = 5V
EXTERNAL REFERENCE
09760-
023
±5V RANGE
±10V RANGE
–6
–4
–2
0
2
4
6
8
–40
–20
0
20
40
60
80
BI
P
O
L
AR
Z
E
RO
E
RRO
R
(
L
S
B)
TEMPERATURE (°C)
Figure 23. Bipolar Zero Code Error vs. Temperature
16
12
8
4
0
–4
–8
–12
–40
–25
–10
5
20
35
50
65
80
–16
BI
P
O
L
AR
Z
E
RO
CO
DE
E
RRO
R
M
AT
CHI
NG
(
L
S
B)
TEMPERATURE (°C)
200kSPS
AVCC, VDRIVE = 5V
EXTERNAL REFERENCE
±5V RANGE
±10V RANGE
09760-
224
Figure 24. Bipolar Zero Code Error Matching Between Channels
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
160
140
120
100
80
60
40
20
–140
CHANNE
L
-T
O
-CHANNE
L
IS
OL
A
TION
(
dB
)
NOISE FREQUENCY (kHz)
AVCC, VDRIVE = 5V
INTERNAL REFERENCE
AD7609 RECOMMENDED DECOUPLING USED
fSAMPLE = 200kSPS
TA = 25°C
09760-
225
±5V RANGE
±10V RANGE
Figure 25. Channel-to-Channel Isolation
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