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鍙冩暩(sh霉)璩囨枡
| 鍨嬭櫉(h脿o)锛� | MAX187BCPA+ |
| 寤犲晢锛� | Maxim Integrated Products |
| 鏂囦欢闋佹暩(sh霉)锛� | 13/18闋� |
| 鏂囦欢澶у皬锛� | 0K |
| 鎻忚堪锛� | IC ADC SRL 12BIT 5V 75KSPS 8-DIP |
| 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� | 50 |
| 浣嶆暩(sh霉)锛� | 12 |
| 閲囨ǎ鐜囷紙姣忕锛夛細 | 75k |
| 鏁�(sh霉)鎿�(j霉)鎺ュ彛锛� | MICROWIRE?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� | 500mW |
| 闆诲闆绘簮锛� | 鍠浕婧� |
| 宸ヤ綔婧害锛� | 0°C ~ 70°C |
| 瀹夎椤炲瀷锛� | 閫氬瓟 |
| 灏佽/澶栨锛� | 8-DIP锛�0.300"锛�7.62mm锛� |
| 渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 | 8-PDIP |
| 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� |
| 鐢�(ch菐n)鍝佺洰閷勯爜闈細 | 1393 (CN2011-ZH PDF) |
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MAX187/MAX189
+5V, Low-Power, 12-Bit Serial ADCs
4
Maxim Integrated
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +5V 卤5%; VGND = 0V; unipolar input mode; 75ksps, fCLK = 4.0MHz, external clock (50% duty cycle); MAX187鈥攊nternal refer-
ence: VREF = 4.096V, 4.7F capacitor at REF pin, or MAX189鈥攅xternal reference: VREF = 4.096V applied to REF pin, 4.7F capacitor
at REF pin; TA = TMIN to TMAX; unless otherwise noted.)
TIMINg CHARACTERISTICS
(VDD = +5V 卤5%, TA = TMIN to TMAX; unless otherwise noted.)
Note 1: Tested at VDD = +5V.
Note 2: Relative accuracy is the deviation of the analog value at any code from its theoretical value after the full-scale range has
been calibrated.
Note 3: MAX187鈥攊nternal reference, offset nulled; MAX189鈥揺xternal +4.096V reference, offset nulled. Excludes reference errors.
Note 4: Guaranteed by design. Not subject to production testing.
Note 5: External load should not change during conversion for specified ADC accuracy.
Note 6: DC test, measured at 4.75V and 5.25V only.
Note 7: To guarantee acquisition time, tACQ is the maximum time the device takes to acquire the signal, and is also the minimum-
time needed for the signal to be acquired.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
uNITS
DIgITAL OuTPuT (DOuT)
Output Voltage Low
VOL
ISINK = 5mA
0.4
V
ISINK = 16mA
0.3
Output Voltage High
VOH
ISOURCE = 1mA
4
V
Three-State Leakage Current
IL
VCS = 5V
Q
10
F
A
Three-State Output Capacitance
COUT
VCS = 5V (Note 4)
15
pF
POWER REQuIREMENTS
Supply Voltage
VDD
4.75
5.25
V
Supply Current
IDD
Operating mode
MAX187
1.5
2.5
mA
MAX189
1.0
2.0
Power-down mode
2
10
F
A
Power-Supply Rejection
PSR
VDD = +5V Q5%; external reference,
4.096V; full-scale input (Note 6)
Q
0.06
Q
0.5
mV
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
uNITS
Track/Hold Acquisition Time
tACQ
CS = high (Note7)
1.5
s
SCLK Fall to Output Data Valid
tDQ
CLOAD = 100pF
MAX18_ _C/E
20
150
ns
MAX18_ _M
20
200
CS Fall to Output Enable
tDV
CLOAD = 100pF
100
ns
CS Rise to Output Disable
tTR
CLOAD = 100pF
100
ns
SCLK Clock Frequency
tSCLK
5
MHz
SCLK Pulse Width High
tCH
100
ns
SCLK Pulse Width Low
tCL
100
ns
SCLK Low to CS Fall Setup Time
tCSO
50
ns
CS Pulse Width
tCS
500
ns
鐩搁棞(gu膩n)PDF璩囨枡 |
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鐩搁棞(gu膩n)浠ｇ悊鍟�/鎶€琛�(sh霉)鍙冩暩(sh霉) |
鍙冩暩(sh霉)鎻忚堪 |
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| MAX187BCPA+ | 鍔熻兘鎻忚堪:妯℃暩(sh霉)杞�(zhu菐n)鎻涘櫒 - ADC 12-Bit 75ksps 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 |
| MAX187BCWE | 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 |
| MAX187BCWE+ | 鍔熻兘鎻忚堪:妯℃暩(sh霉)杞�(zhu菐n)鎻涘櫒 - ADC 12-Bit 75ksps 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 |
| MAX187BCWE+T | 鍔熻兘鎻忚堪:妯℃暩(sh霉)杞�(zhu菐n)鎻涘櫒 - ADC 12-Bit 75ksps 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 |
| MAX187BCWE-T | 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 |
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