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鍙冩暩(sh霉)璩囨枡
| 鍨嬭櫉(h脿o)锛� | MAX149AEAP+T |
| 寤犲晢锛� | Maxim Integrated Products |
| 鏂囦欢闋�(y猫)鏁�(sh霉)锛� | 17/23闋�(y猫) |
| 鏂囦欢澶у皬锛� | 0K |
| 鎻忚堪锛� | IC ADC 10BIT SERIAL 20-SSOP |
| 鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″锛� | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 妯�(bi膩o)婧�(zh菙n)鍖呰锛� | 2,000 |
| 浣嶆暩(sh霉)锛� | 10 |
| 閲囨ǎ鐜囷紙姣忕锛夛細 | 133k |
| 鏁�(sh霉)鎿�(j霉)鎺ュ彛锛� | MICROWIRE?锛孮SPI?锛屼覆琛岋紝SPI? |
| 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� | 640mW |
| 闆诲闆绘簮锛� | 鍠浕婧� |
| 宸ヤ綔婧害锛� | -40°C ~ 85°C |
| 瀹夎椤炲瀷锛� | 琛ㄩ潰璨艰 |
| 灏佽/澶栨锛� | 20-SSOP锛�0.209"锛�5.30mm 瀵級 |
| 渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 | 20-SSOP |
| 鍖呰锛� | 甯跺嵎 (TR) |
| 杓稿叆鏁�(sh霉)鐩拰椤炲瀷锛� | 8 鍊�(g猫)鍠锛屽柈妤�锛�8 鍊�(g猫)鍠锛岄洐妤�锛�4 鍊�(g猫)宸垎锛屽柈妤�锛�4 鍊�(g猫)宸垎锛岄洐妤� |
绗�1闋�(y猫)绗�2闋�(y猫)绗�3闋�(y猫)绗�4闋�(y猫)绗�5闋�(y猫)绗�6闋�(y猫)绗�7闋�(y猫)绗�8闋�(y猫)绗�9闋�(y猫)绗�10闋�(y猫)绗�11闋�(y猫)绗�12闋�(y猫)绗�13闋�(y猫)绗�14闋�(y猫)绗�15闋�(y猫)绗�16闋�(y猫)鐣�(d膩ng)鍓嶇17闋�(y猫)绗�18闋�(y猫)绗�19闋�(y猫)绗�20闋�(y猫)绗�21闋�(y猫)绗�22闋�(y猫)绗�23闋�(y猫)
+2.7V to +5.25V, Low-Power, 8-Channel,
Serial 10-Bit ADCs
MAX148/MAX149
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +5.25V; COM = 0; fSCLK = 2.0MHz; external clock (50% duty cycle); 15 clocks/conversion cycle (133ksps);
MAX149鈥�4.7FF capacitor at VREF pin; MAX148鈥攅xternal reference, VREF = 2.500V applied to VREF pin; TA = TMIN to TMAX, unless
otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CONVERSION RATE (continued)
Internal Clock Frequency
SHDN = unconnected
1.8
MHz
SHDN = VDD
0.225
External Clock Frequency
0.1
2.0
MHz
Data transfer only
1
2.0
ANALOG/COM INPUTS
Input Voltage Range, Single-
Ended and Differential (Note 6)
Unipolar, COM = 0
0 to VREF
V
Bipolar, VCOM = VREF/2
卤VREF/2
Multiplexer Leakage Current
On/off leakage current, VCH_ = 0 or VDD
卤0.01
卤1
渭A
Input Capacitance
16
pF
INTERNAL REFERENCE (MAX149 Only, Reference Buffer Enabled)
VREF Output Voltage
TA = +25掳C (Note 7)
2.470
2.500
2.530
V
VREF Short-Circuit Current
30
mA
VREF Temperature Coefficient
MAX149
卤30
ppm/
掳C
Load Regulation (Note 8)
0 to 0.2mA output load
0.35
mV
Capacitive Bypass at VREF
Internal compensation mode
0
渭F
External compensation mode
4.7
Capacitive Bypass at REFADJ
0.01
渭F
REFADJ Adjustment Range
卤1.5
%
EXTERNAL REFERENCE AT VREF (Buffer Disabled)
VREF Input Voltage Range
(Note 9)
1.0
VDD +
50mV
V
VREF Input Current
VREF = 2.500V
100
150
渭A
VREF Input Resistance
18
25
k
Shutdown VREF Input Current
0.01
10
渭A
REFADJ Buffer-Disable Threshold
VDD -
0.5
V
EXTERNAL REFERENCE AT REFADJ
Capacitive Bypass at VREF
Internal compensation mode
0
渭F
External compensation mode
4.7
Reference Buffer Gain
MAX149
2.06
V/V
MAX148
2.00
REFADJ Input Current
MAX149
卤50
渭A
MAX148
卤10
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| MAX149AEPP | 鍔熻兘鎻忚堪:妯℃暩(sh霉)杞�(zhu菐n)鎻涘櫒 - ADC RoHS:鍚� 鍒堕€犲晢:Texas Instruments 閫氶亾鏁�(sh霉)閲�:2 绲�(ji茅)妲�(g貌u):Sigma-Delta 杞�(zhu菐n)鎻涢€熺巼:125 SPs to 8 KSPs 鍒嗚鲸鐜�:24 bit 杓稿叆椤炲瀷:Differential 淇″櫔姣�:107 dB 鎺ュ彛椤炲瀷:SPI 宸ヤ綔闆绘簮闆诲:1.7 V to 3.6 V, 2.7 V to 5.25 V 鏈€澶у伐浣滄韩搴�:+ 85 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:VQFN-32 |
| MAX149AEPP+ | 鍔熻兘鎻忚堪:妯℃暩(sh霉)杞�(zhu菐n)鎻涘櫒 - ADC 10-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:鍚� 鍒堕€犲晢:Texas Instruments 閫氶亾鏁�(sh霉)閲�:2 绲�(ji茅)妲�(g貌u):Sigma-Delta 杞�(zhu菐n)鎻涢€熺巼:125 SPs to 8 KSPs 鍒嗚鲸鐜�:24 bit 杓稿叆椤炲瀷:Differential 淇″櫔姣�:107 dB 鎺ュ彛椤炲瀷:SPI 宸ヤ綔闆绘簮闆诲:1.7 V to 3.6 V, 2.7 V to 5.25 V 鏈€澶у伐浣滄韩搴�:+ 85 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:VQFN-32 |
| MAX149AMJP | 鍔熻兘鎻忚堪:妯℃暩(sh霉)杞�(zhu菐n)鎻涘櫒 - ADC RoHS:鍚� 鍒堕€犲晢:Texas Instruments 閫氶亾鏁�(sh霉)閲�:2 绲�(ji茅)妲�(g貌u):Sigma-Delta 杞�(zhu菐n)鎻涢€熺巼:125 SPs to 8 KSPs 鍒嗚鲸鐜�:24 bit 杓稿叆椤炲瀷:Differential 淇″櫔姣�:107 dB 鎺ュ彛椤炲瀷:SPI 宸ヤ綔闆绘簮闆诲:1.7 V to 3.6 V, 2.7 V to 5.25 V 鏈€澶у伐浣滄韩搴�:+ 85 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:VQFN-32 |
| MAX149BCAP | 鍔熻兘鎻忚堪:妯℃暩(sh霉)杞�(zhu菐n)鎻涘櫒 - ADC Integrated Circuits (ICs) RoHS:鍚� 鍒堕€犲晢:Texas Instruments 閫氶亾鏁�(sh霉)閲�:2 绲�(ji茅)妲�(g貌u):Sigma-Delta 杞�(zhu菐n)鎻涢€熺巼:125 SPs to 8 KSPs 鍒嗚鲸鐜�:24 bit 杓稿叆椤炲瀷:Differential 淇″櫔姣�:107 dB 鎺ュ彛椤炲瀷:SPI 宸ヤ綔闆绘簮闆诲:1.7 V to 3.6 V, 2.7 V to 5.25 V 鏈€澶у伐浣滄韩搴�:+ 85 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:VQFN-32 |
| MAX149BCAP+ | 鍔熻兘鎻忚堪:妯℃暩(sh霉)杞�(zhu菐n)鎻涘櫒 - ADC 10-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:鍚� 鍒堕€犲晢:Texas Instruments 閫氶亾鏁�(sh霉)閲�:2 绲�(ji茅)妲�(g貌u):Sigma-Delta 杞�(zhu菐n)鎻涢€熺巼:125 SPs to 8 KSPs 鍒嗚鲸鐜�:24 bit 杓稿叆椤炲瀷:Differential 淇″櫔姣�:107 dB 鎺ュ彛椤炲瀷:SPI 宸ヤ綔闆绘簮闆诲:1.7 V to 3.6 V, 2.7 V to 5.25 V 鏈€澶у伐浣滄韩搴�:+ 85 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:VQFN-32 |
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