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參數(shù)資料
| 型號(hào)： | MAX1285BESA+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 13/15頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 300KSPS 8-SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 300k |
| 數(shù)據(jù)接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 2.5mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOIC |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 1 個(gè)單端，單極 |
MAX1284/MAX1285
400ksps/300ksps, Single-Supply, Low-Power,
Serial 12-Bit ADCs with Internal Reference
_______________________________________________________________________________________
7
Typical Operating Characteristics (continued)
(MAX1284: VDD = +5.0V, fSCLK = 6.4MHz, MAX1285: VDD = +3.0V, fSCLK = 4.8MHz; CLOAD = 20pF, 4.7F capacitor at REF,
TA = +25°C, unless otherwise noted.)
1.5
1.8
2.4
2.1
2.7
3.0
-40
0
-20
20
40
60
80
100
SUPPLY CURRENT vs. TEMPERATURE
MAX1284/5
toc10
TEMPERATURE (
°C)
SUPPLY
CURRENT
(mA)
VDD = 5V, CONVERTING
VDD = 3V, CONVERTING
VDD = 5V, STATIC
VDD = 3V, STATIC
Serial-Clock Input. SCLK drives the conversion process and clocks data out at rates up to 6.4MHz
(MAX1284) or 4.8MHz (MAX1285).
PIN
Positive Supply Voltage
VDD
1
FUNCTION
NAME
Sampling Analog Input, 0 to VREF range
AIN
2
Analog and Digital Ground
GND
5
Active-Low Chip Select. Initiates conversions on the falling edge. When CS is high, DOUT is high
impedance.
CS
7
Reference Voltage for Analog-to-Digital Conversion. Internal 2.5V reference output. Bypass with 4.7F
capacitor.
REF
4
Active-Low Shutdown Input. Pulling SHDN low shuts down the device and reduces the supply current
to 2A (typ).
SHDN
3
SCLK
8
Pin Description
1.50
2.00
1.75
2.50
2.25
2.75
3.00
2.5
3.5
4.0
3.0
4.5
5.0
5.5
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX1284/5
toc09
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
CONVERTING
SCLK = 6.4MHz
CONVERTING
SCLK = 4.8MHz
STATIC
CODE = 1111 1111 1111
RL =
∞
CL = 10pF
Serial-Data Output. DOUT changes state at SCLK’s rising edge High impedance when CS is high.
DOUT
6
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