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鍙冩暩(sh霉)璩囨枡
| 鍨嬭櫉(h脿o)锛� | AD7787BRMZ |
| 寤犲晢锛� | Analog Devices Inc |
| 鏂囦欢闋佹暩(sh霉)锛� | 14/20闋� |
| 鏂囦欢澶�?銆�?/td> | 0K |
| 鎻忚堪锛� | IC ADC 24BIT 2CH LP SIG 10MSOP |
| 妯�(bi膩o)婧�(zh菙n)鍖呰锛� | 50 |
| 浣嶆暩(sh霉)锛� | 24 |
| 閲囨ǎ鐜囷紙姣忕锛夛細 | 120 |
| 鏁�(sh霉)鎿�(j霉)鎺ュ彛锛� | DSP锛孧ICROWIRE?锛孮SPI?锛屼覆琛�锛孲PI? |
| 杞�(zhu菐n)鎻涘櫒鏁�(sh霉)鐩細 | 1 |
| 鍔熺巼鑰楁暎锛堟渶澶э級锛� | 225µW |
| 闆诲闆绘簮锛� | 鍠浕婧� |
| 宸ヤ綔婧害锛� | -40°C ~ 105°C |
| 瀹夎椤炲瀷锛� | 琛ㄩ潰璨艰 |
| 灏佽/澶栨锛� | 10-TFSOP锛�10-MSOP锛�0.118"锛�3.00mm 瀵級 |
| 渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 | 10-MSOP |
| 鍖呰锛� | 绠′欢 |
| 杓稿叆鏁�(sh霉)鐩拰椤炲瀷锛� | 1 鍊�(g猫)鍠锛屽柈妤�锛�1 鍊�(g猫)鍠锛岄洐妤�锛�1 鍊�(g猫)宸垎锛屽柈妤�锛�1 鍊�(g猫)宸垎锛岄洐妤� |
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Data Sheet
AD7787
Rev. A | Page 3 of 20
SPECIFICATIONS
Temperature range is 40掳C to +105掳C. VDD = 2.5 V to 5.25 V; REFIN = 2.5 V; GND = 0 V; CDIV1 = CDIV0 = 0; all specifications TMIN to
TMAX, unless otherwise noted.
Table 1.
Parameter
AD7787B
Unit
Test Conditions/Comments
ADC CHANNEL SPECIFICATION
Output Update Rate
9.5
Hz min nom
120
Hz max nom
ADC CHANNEL
No Missing Codes1
24
Bits min
Update rate 鈮� 20 Hz.
Resolution
19.5
Bits p-p
9.5 Hz update rate.
Output Noise
1.1
V rms typ
Integral Nonlinearity
卤15
ppm of FSR max
3.5 ppm typ.
Offset Error
卤3
V typ
Offset Error Drift vs. Temperature
卤10
nV/掳C typ
Full-Scale Error2
卤10
V typ
Gain Drift vs. Temperature
卤0.5
ppm/掳C typ
Power Supply Rejection
90
dB min
100 dB typ, AIN = 1 V.
ANALOG INPUTS
Bipolar Input Voltage Range
卤REFIN
V nom
Because AIN2 is single-ended, it can have a negative
voltage of 100 mV minimum (see Page 18).
Unipolar Voltage Range
0 to REFIN
V nom
Absolute AIN Voltage Limits1
GND + 100 mV
V min
Buffered mode.
VDD 鈥� 100 mV
V max
Analog Input Current
Buffered mode.
Average Input Current1
卤1
nA max
Average Input Current Drift
卤5
pA/掳C typ
Absolute AIN Voltage Limits1, 3
GND 鈥� 100 mV
V min
Unbuffered mode.
VDD + 30 mV
V max
Analog Input Current
Unbuffered mode. Current varies with input voltage.
Average Input Current
卤400
nA/V typ
Average Input Current Drift
卤50
pA/V/掳C typ
Normal Mode Rejection1
@ 50 Hz, 60 Hz
65
dB min
73 dB typ, 50 卤 1 Hz, 60 卤 1 Hz, FS[2:0] = 1004.
@ 50 Hz
80
dB min
90 dB typ, 50 卤 1 Hz, FS[2:0] = 1014.
@ 60 Hz
80
dB min
90 dB typ, 60 卤 1 Hz, FS[2:0] = 0114.
Common-Mode Rejection (AIN1)
AIN = 1 V.
@ DC
90
dB min
100 dB typ.
@ 50 Hz, 60 Hz1
100
dB min
REFERENCE INPUT
REFIN Voltage
2.5
V nom
Reference Voltage Range1
0.1
V min
VDD
V max
Average Reference Input Current
0.5
A/V typ
Average Reference Input Current Drift
卤0.03
nA/V/掳C typ
Normal Mode Rejection1
@ 50 Hz, 60 Hz
65
dB min
73 dB typ, 50 卤 1 Hz, 60 卤 1 Hz, FS[2:0] = 1004.
@ 50 Hz
80
dB min
90 dB typ, 50 卤 1 Hz, FS[2:0] = 1014.
@ 60 Hz
80
dB min
90 dB typ, 60 卤 1 Hz, FS[2:0] = 0114.
鐩搁棞(gu膩n)PDF璩囨枡 |
PDF鎻忚堪 |
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鐩搁棞(gu膩n)浠ｇ悊鍟�/鎶€琛�(sh霉)鍙冩暩(sh霉) |
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| AD7787BRMZ | 鍒堕€犲晢:Analog Devices 鍔熻兘鎻忚堪:IC 24BIT ADC SMD 7787 MSOP10 |
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| AD7788ARM | 鍔熻兘鎻忚堪:IC ADC 16BIT SIGMA-DELTA 10-MSOP RoHS:鏄� 椤炲垾:闆嗘垚闆昏矾 (IC) >> 鏁�(sh霉)鎿�(j霉)閲囬泦 - 妯℃暩(sh霉)杞�(zhu菐n)鎻涘櫒 绯诲垪:- 妯�(bi膩o)婧�(zh菙n)鍖呰:1,000 绯诲垪:- 浣嶆暩(sh霉):16 閲囨ǎ鐜囷紙姣忕锛�:45k 鏁�(sh霉)鎿�(j霉)鎺ュ彛:涓茶 杞�(zhu菐n)鎻涘櫒鏁�(sh霉)鐩�:2 鍔熺巼鑰楁暎锛堟渶澶э級:315mW 闆诲闆绘簮:妯℃摤鍜屾暩(sh霉)瀛� 宸ヤ綔婧害:0°C ~ 70°C 瀹夎椤炲瀷:琛ㄩ潰璨艰 灏佽/澶栨:28-SOIC锛�0.295"锛�7.50mm 瀵級 渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁�:28-SOIC W 鍖呰:甯跺嵎 (TR) 杓稿叆鏁�(sh霉)鐩拰椤炲瀷:2 鍊�(g猫)鍠锛屽柈妤� |
| AD7788ARM-REEL | 鍔熻兘鎻忚堪:IC ADC 16BIT SIGMA-DELTA 10-MSOP RoHS:鍚� 椤炲垾:闆嗘垚闆昏矾 (IC) >> 鏁�(sh霉)鎿�(j霉)閲囬泦 - 妯℃暩(sh霉)杞�(zhu菐n)鎻涘櫒 绯诲垪:- 妯�(bi膩o)婧�(zh菙n)鍖呰:2,500 绯诲垪:- 浣嶆暩(sh霉):16 閲囨ǎ鐜囷紙姣忕锛�:15 鏁�(sh霉)鎿�(j霉)鎺ュ彛:MICROWIRE?锛屼覆琛�锛孲PI? 杞�(zhu菐n)鎻涘櫒鏁�(sh霉)鐩�:1 鍔熺巼鑰楁暎锛堟渶澶э級:480µW 闆诲闆绘簮:鍠浕婧� 宸ヤ綔婧害:-40°C ~ 85°C 瀹夎椤炲瀷:琛ㄩ潰璨艰 灏佽/澶栨:38-WFQFN 瑁搁湶鐒婄洡 渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁�:38-QFN锛�5x7锛� 鍖呰:甯跺嵎 (TR) 杓稿叆鏁�(sh霉)鐩拰椤炲瀷:16 鍊�(g猫)鍠锛岄洐妤�锛�8 鍊�(g猫)宸垎锛岄洐妤� 閰嶇敤:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
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