參數(shù)資料
型號(hào): EVAL-AD7991EBZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 6/28頁(yè)
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD7991
標(biāo)準(zhǔn)包裝: 1
ADC 的數(shù)量: 1
位數(shù): 12
采樣率(每秒): 1M
數(shù)據(jù)接口: 串行
輸入范圍: 0 ~ Vdd
在以下條件下的電源(標(biāo)準(zhǔn)): 4.4mW @ 5.5V,3.4MHz
工作溫度: -40°C ~ 125°C
已用 IC / 零件: AD7991
已供物品: 板,纜線,CD
產(chǎn)品目錄頁(yè)面: 780 (CN2011-ZH PDF)
相關(guān)產(chǎn)品: AD7991YRJZ-1RL-ND - IC ADC 12BIT 4CH I2C SOT23-8
AD7991YRJZ-0RL-ND - IC ADC 12BIT 4CH I2C SOT23-8
AD7991YRJZ-1500RL7DKR-ND - IC ADC 12BIT 4CH SAR I2C SOT23-8
AD7991YRJZ-0500RL7DKR-ND - IC ADC 12BIT 4CH SAR I2C SOT23-8
AD7991YRJZ-1500RL7CT-ND - IC ADC 12BIT 4CH SAR I2C SOT23-8
AD7991YRJZ-0500RL7CT-ND - IC ADC 12BIT 4CH SAR I2C SOT23-8
AD7991YRJZ-1500RL7TR-ND - IC ADC 12BIT 4CH SAR I2C SOT23-8
AD7991YRJZ-0500RL7TR-ND - IC ADC 12BIT 4CH SAR I2C SOT23-8
AD7991/AD7995/AD7999
Rev. B | Page 14 of 28
D
N
L
E
RRO
R
(
L
S
B)
CODE
0
500
1000
1500
2000
2500
3000
3500
4000
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
0
64
61
-01
4
VDD = 5V
VREF = 2.5V
fSCL = 1.7MHz
Figure 10. DNL Error, VDD = 5 V, VREF = 2.5 V, fSCL = 1.7 MHz
Without Clock Stretching
800
0
26
VDD (V)
I DD
(
μ
A)
34
5
fSCL = 1.7MHz
+125°C
+85°C
+25°C
–40°C
600
400
200
06
46
1-
0
35
Figure 11. IDD Supply Current vs. Supply Voltage, fSCL = 1.7 MHz
Without Clock Stretching, 40°C to +125°C
1000
0
26
VDD (V)
I DD
(
μ
A)
800
600
400
200
34
5
fSCL = 3.4MHz
+125°C
+85°C
+25°C
–40°C
06
46
1-
0
34
Figure 12. IDD Supply Current vs. Supply Voltage, f SCL = 3.4 MHz
with Clock Stretching, 40°C to +125°C
–70
–100
1
100
INPUT FREQUENCY (kHz)
T
HD
(
d
B)
–80
–90
fSCL = 1.7MHz
06
46
1-
0
31
10
VDD = 5V
VDD = 3V
Figure 13. THD vs. Input Frequency, VREF = 2.5 V, fSCL = 1.7 MHz
Without Clock Stretching
CHAN
NE
L
-T
O
-CH
ANNE
L
I
S
O
L
A
TI
O
N
(
dB
)
fNOISE (kHz)
VDD = 3V
VDD = 5V
VREF = VDD
fSCL = 1.7MHz
TEMPERATURE = TA
89
90
91
92
93
94
95
96
0
102030405060
70
80
90
100
0
64
61
-0
17
Figure 14. AD7991 Channel-to-Channel Isolation , fSCL = 1.7 MHz
Without Clock Stretching
–120
–100
–80
–60
–40
–20
0
02
46
8
10
S
INAD
(
d
B)
FREQUENCY (kHz)
06
46
1-
01
8
16384 POINT FFT
fS = 22.5kSPS
fSCL = 405kHz
fIN = 5.13kHz
SNR = 71.83dB
SINAD = 71.39dB
THD = –81.26dB
SFDR = –93.71dB
Figure 15. Dynamic Performance, fSCL = 405 kHz
Without Clock Stretching, VDD = 5 V, Full-Scale Input,
Seven-Term Blackman-Harris Window
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