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參數資料
| 型號： | EVAL-AD7923CBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 19/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR AD7923 |
| 標準包裝： | 1 |
| ADC 的數量： | 1 |
| 位數： | 12 |
| 采樣率（每秒）： | 200k |
| 數據接口： | 串行 |
| 輸入范圍： | 0 ~ 2.5 V |
| 在以下條件下的電源（標準）： | 7.5mW @ 200kSPS，5 V |
| 工作溫度： | -40°C ~ 125°C |
| 已用 IC / 零件： | AD7923 |
| 已供物品： | 板，CD |
| 相關產品： | AD7923BRUZ-REEL7TR-ND - IC ADC 12BIT 4CH W/SEQ 16TSSOP AD7923BRUZ-REEL-ND - IC ADC 12BIT 4CH W/SEQ 16TSSOP AD7923BRUZ-ND - IC ADC 12BIT 4CH W/SEQ 16TSSOP |
AD7923
Data Sheet
Rev. D | Page 4 of 24
Parameter
B Version1
Unit
Test Conditions/Comments
LOGIC OUTPUTS
Output High Voltage, VOH
VDRIVE – 0.2
V min
ISOURCE = 200 A, AVDD = 2.7 V to 5.25 V
Output Low Voltage, VOL
0.4
V max
ISINK = 200 A
Floating-State Leakage Current
±1
A max
Floating-State Output Capacitance3
10
pF max
Output Coding
Twos Complement
Coding bit set to 0
Straight (Natural)
Binary
Coding bit set to 1
CONVERSION RATE
Conversion Time
Track-and-Hold Acquisition Time
800
ns max
16 SCLK cycles with SCLK at 20 MHz
300
ns max
Sinewave input
300
ns max
Full-scale step Input
Throughput Rate
200
kSPS max
See Serial Interface section
POWER REQUIREMENTS
AVDD
2.7/5.25
V min/max
VDRIVE
2.7/5.25
V min/max
IDD4
Digital I/Ps = 0 V or VDRIVE
During Conversion
2.7
mA max
AVDD = 4.75 V to 5.25 V, fSCLK = 20 MHz
2.0
mA max
AVDD = 2.7 V to 3.6 V, fSCLK = 20 MHz
Normal Mode (Static)
600
A typ
AVDD = 2.7 V to 5.25 V, SCLK on or off
Normal Mode (Operational) fSAMPLE = 200 kSPS
1.5
mA max
AVDD = 4.75 V to 5.25 V, fSCLK = 20 MHz
1.2
mA max
AVDD = 2.7 V to 3.6 V, fSCLK = 20 MHz
Using Auto Shutdown Mode fSAMPLE = 200 kSPS
900
A typ
AVDD = 4.75 V to 5.25 V, fSAMPLE = 200 kSPS
650
A typ
AVDD = 2.7 V to 3.6 V, fSAMPLE = 200 kSPS
Auto Shutdown (Static)
0.5
A max
SCLK on or off (20 nA typ)
Full Shutdown Mode
0.5
A max
SCLK on or off (20 nA typ)
Power Dissipation4
Normal Mode (Operational) fSAMPLE = 200 kSPS
7.5
mW max
AVDD = 5 V, fSCLK = 20 MHz
3.6
mW max
AVDD = 3 V, fSCLK = 20 MHz
Auto Shutdown (Static)
2.5
W max
AVDD = 5 V
1.5
W max
AVDD = 3 V
Full Shutdown Mode
2.5
W max
AVDD = 5 V
1.5
W max
AVDD = 3 V
1
Temperature range: B Version:
40°C to +125°C.
2
See Terminology section.
3
Sample tested @ 25°C to ensure compliance.
4
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