參數(shù)資料
型號: MAX1257BETM+T
廠商: Maxim Integrated Products
文件頁數(shù): 2/43頁
文件大?。?/td> 0K
描述: IC ADC/DAC 12BIT 48-TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
類型: ADC,DAC
分辨率(位): 12 b
采樣率(每秒): 225k
數(shù)據(jù)接口: 串行
電壓電源: 模擬和數(shù)字
電源電壓: 2.7 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 48-TQFN-EP(7x7)
包裝: 帶卷 (TR)
MAX1220/MAX1257/MAX1258
12-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
10
______________________________________________________________________________________
2
1
0
-1
-2
-40
10
-15
356085
ADC GAIN ERROR
vs. TEMPERATURE
MAX1220
toc13
TEMPERATURE (
°C)
GAIN
ERROR
(LSB)
MAX1257
MAX1220/MAX1258
ADC EXTERNAL REFERENCE
INPUT CURRENT vs. SAMPLING RATE
MAX1220
toc14
SAMPLING RATE (ksps)
ADC
EXTERNAL
REFERENCE
INPUT
CURRENT
(
A)
250
200
150
100
50
10
20
30
40
50
60
0
300
MAX1220/MAX1258
MAX1257
ANALOG SUPPLY CURRENT
vs. SAMPLING RATE
MAX1220
toc15
SAMPLING RATE (ksps)
ANALOG
SUPPLY
CURRENT
(mA)
250
200
150
100
50
0.5
1.0
1.5
2.0
2.5
3.0
0
0300
MAX1220/MAX1258
MAX1257
1.90
1.94
1.92
1.98
1.96
2.02
2.00
2.04
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
MAX1220
toc16
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
4.750
4.875
5.000
5.125
5.250
MAX1220/MAX1258
1.90
1.94
1.92
1.98
1.96
2.02
2.00
2.04
2.7
3.0
3.3
3.6
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
MAX1220
toc17
SUPPLY VOLTAGE (V)
MAX1257
SUPPLY
CURRENT
(mA)
1.88
1.92
1.90
1.96
1.94
2.00
1.98
2.02
-40
10
-15
35
60
85
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
MAX1220
toc18
TEMPERATURE (
°C)
ANALOG
SUPPLY
CURRENT
(mA)
MAX1257
MAX1220/MAX1258
2
1
0
-1
-2
-40
10
-15
356085
ADC OFFSET ERROR
vs. TEMPERATURE
MAX1220
toc10
TEMPERATURE (
°C)
OFFSET
ERROR
(LSB)
MAX1257
MAX1220/MAX1258
1.0
0.5
0
-0.5
-1.0
4.750
5.000
4.875
5.125
5.250
ADC GAIN ERROR
vs. ANALOG SUPPLY VOLTAGE
MAX1220
toc11
SUPPLY VOLTAGE (V)
GAIN
ERROR
(LSB)
MAX1220/MAX1258
1.0
0.5
0
-0.5
-1.0
2.7
3.3
3.0
3.6
ADC GAIN ERROR
vs. ANALOG SUPPLY VOLTAGE
MAX1220
toc12
SUPPLY VOLTAGE (V)
MAX1257
GAIN
ERROR
(LSB)
Typical Operating Characteristics (continued)
(VAVDD = VDVDD = 3V (MAX1257), external VREF = 2.5V (MAX1257), VAVDD = VDVDD = 5V (MAX1220/MAX1258), external VREF =
4.096V (MAX1220/MAX1258), fCLK = 3.6MHz (50% duty cycle), fSAMPLE = 225ksps, CLOAD = 50pF, 0.1F capacitor at REF,
TA = +25°C, unless otherwise noted.)
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