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| 型号： | MAX4209HAUA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 14/17页 |
| 文件大小： | 0K |
| 描述： | IC INSTRUMENT AMP PREC 8-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 放大器类型： | 仪表 |
| 电路数： | 1 |
| 输出类型： | 满摆幅 |
| 转换速率： | 0.055 V/µs |
| -3db带宽： | 7.5kHz |
| 电流 - 输入偏压： | 1pA |
| 电压 - 输入偏移： | 3µV |
| 电流 - 电源： | 1.4mA |
| 电流 - 输出 / 通道： | 25mA |
| 电压 - 电源，单路/双路(±)： | 2.85 V ~ 5.5 V，±1.425 V ~ 2.25 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-uMAX |
| 包装： | 带卷 (TR) |
MAX4208/MAX4209
Ultra-Low Offset/Drift, Precision
Instrumentation Amplifiers with REF Buffer
6
_______________________________________________________________________________________
Note 1: Specifications are 100% production tested at +25°C, unless otherwise noted. Limits over temperature are guaranteed by design.
Note 2: Guaranteed by design. Thermocouple and leakage effects preclude measurement of this parameter during production testing.
Devices are screened during production testing to eliminate defective units.
Note 3: IN+ and IN- are gates to CMOS transistors with typical input bias current of 1pA. CMOS leakage is so small that it is impractical to
test and guarantee in production. Max VDIFF is ±100mV. Devices are screened during production testing to eliminate defective
units. For the MAX4208, when there are no external resistors, the input bias current at FB and REF is 1pA (typ).
Note 4: Setting REF to ground (VSS) is allowed if the REF buffer is off. The unity-gain buffer is on when VREFIN/MODE is between 0.15V
and (VDD - 1.3V). In this range, VREF = VREFIN/MODE ±40V (maximum buffer input offset voltage over temperature). Setting
REFIN/MODE to VDD puts the part in shutdown (IDD = 1.4A).
Note 5: This is the REF current needed to directly drive the end terminal of the gain-setting resistors when REFIN/MODE is connected to
VSS to put the buffer in high-impedance mode. The REF input current is tested at the gain of 100. At gain 10 and 1000, IREF =
±100A and 3.4A, respectively at +25°C. See the Detailed Description.
Note 6: Output swing high (VOH) and output swing low (VOL) are measured only on G = 100 and G = 1000 devices. Devices with G = 1
and G = 10 have output swing high limited by the range of VREF, VCM, and VDIFF (see the Output Swing section).
Note 7: Maximum range for VDIFF is from -100mV to +100mV.
Note 8: At G = 100V/V and G = 1000V/V, these instrumentation amplifiers are bandwidth limited and not capable of slew-rate-limited dV/dt.
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 5V, VSS = 0V, VCM = VREF = VDD/2, VREFIN/MODE = VSS, RL = 100k
Ω to VDD/2, VDIFF = (VIN+ - VIN-) = 0V, MAX4208 set for
G = 100V/V (R1 = 1k
Ω, R2 = 99kΩ), TA = -40°C to +125°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
REFIN/MODE Input-Voltage
High
VIH
MAX4208/MAX4209 in shutdown
VDD -
0.2
V
TA = +25°C to +85°C
96
REFIN/MODE Buffer
Common-Mode Rejection Ratio
(VSS + 0.2V)
≤ VREF ≤
(VDD - 1.6V)
TA = -40°C to +125°C
90
dB
REF Common-Mode Range
(Note 4)
Guaranteed by REF CMRR test
VSS
VDD -
1.6
V
TA = +25°C to +85°C
96
REF Common-Mode Rejection
Ratio
VSS
≤ VREF ≤ (VDD -
1.6V)
TA = -40°C to +125°C
90
dB
TA = +25°C to +85°C
96
REFIN/MODE Buffer
Power-Supply Rejection Ratio
VDD = 2.85V to 5.5V,
VREFIN/MODE = VCM
= (VSS + 0.5V)
TA = -40°C to +125°C
90
dB
OUTPUT DC CHARACTERISTICS
RL = 100k
Ω
60
RL = 10k
Ω
90
VOH
VDD - VOUT
RL = 1k
Ω
375
RL = 100k
Ω
50
RL = 10k
Ω
75
Output-Voltage Swing (Note 6)
VOL
VOUT - VSS
RL = 1k
Ω
325
mV
POWER SUPPLY
Supply Voltage
VDD
Guaranteed by PSRR test
2.85
5.50
V
VREFIN/MODE = VSS,
buffer OFF
VDD = 5V
1.70
(VSS + 0.2V)
≤ VREFIN/MODE ≤
(VDD - 1.6V), buffer ON
VDD = 5V
3.0
mA
Supply Current
REFIN/MODE = VDD, shutdown mode
10
A
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