参数资料
| 型号： | ADG3257BRQZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 7/12页 |
| 文件大小： | 0K |
| 描述： | IC MUX QUAD 3.3/5V HS 16-QSOP |
| 标准包装： | 98 |
| 类型： | 多路复用器/多路分解器 |
| 电路： | 4 x 1:2 |
| 独立电路： | 1 |
| 电压电源： | 单电源 |
| 电源电压： | 3.3V，5V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-QSOP |
| 包装： | 管件 |
ADG3257
Rev. E | Page 4 of 12
VCC = 3.3 V ± 10%, GND = 0 V. All specifications TMIN to TMAX, unless otherwise noted.
Table 3.
Parameter1
Symbol
B Version
Unit
Min
Typ3
Max
DC ELECTRICAL CHARACTERISTICS
Input High Voltage
VINH
2.0
V
Input Low Voltage
VINL
0.3
+0.8
V
Input Leakage Current
II
0 ≤ VIN ≤ 3.6 V
±0.01
±1
μA
Off State Leakage Current
IOZ
0 ≤ A, B ≤ VCC
±0.01
±1
μA
On State Leakage Current
IOZ
0 ≤ A, B ≤ VCC
±0.01
±1
μA
Maximum Pass Voltage4
VP
VIN = VCC = 3.3 V, IO = 5 μA
2.3
2.6
2.8
V
CAPACITANCE4
A Port Off Capacitance
CA OFF
f = 1 MHz
7
pF
B Port Off Capacitance
CB OFF
f = 1 MHz
5
pF
A, B Port On Capacitance
CA, CB ON
f = 1 MHz
11
pF
Control Input Capacitance
CIN
f = 1 MHz
4
pF
SWITCHING CHARACTERISTICS4
Propagation Delay A to B or B to A, tPD
VA = 0 V, CL = 50 pF
0.10
ns
Propagation Delay Matching6
VA = 0 V, CL = 50 pF
0.01
0.04
ns
Bus Enable Time BE to A or B
tPZH, tPZL
CL = 50 pF, RL = 500 Ω
1
5.5
9
ns
Bus Disable Time BE to A or B
tPHZ, tPLZ
CL = 50 pF, RL = 500 Ω
1
4.5
8.5
ns
Bus Select Time S to A or B
Enable
tSEL_EN
CL = 50 pF, RL = 500 Ω
8
12
ns
Disable
tSEL_DIS
CL = 50 pF, RL = 500 Ω
6
9
ns
Maximum Data Rate
VA = 2 V p-p
933
Mbps
DIGITAL SWITCH
On Resistance
RON
VA = 0 V, IO = 15 mA, 8 mA, TA = 25°C
2
4
Ω
VA= 0 V, Io = 15 mA, 8 mA
5
Ω
VA = 1 V, IO = 15 mA, 8 mA, TA = 25°C
4
7
Ω
VA= 1 V, Io = 15 mA, 8 mA
8
Ω
On-Resistance Matching
ΔRON
VA = 0 V, IO = 15 mA, 8 mA
0.2
Ω
POWER REQUIREMENTS
VCC
3.0
5.5
V
Quiescent Power Supply Current
ICC
Digital inputs = 0 V or VCC
0.001
1
μA
ΔICC
VCC = 3.3 V, one input at 3.0 V; others at VCC or GND
200
μA
1 Temperature range is: Version B: 40°C to +85°C.
2 See Test Circuits section.
3 All typical values are at TA = 25°C, unless otherwise noted.
4 Guaranteed by design, not subject to production test.
5 The digital switch contributes no propagation delay other than the RC delay of the typical RON of the switch and the load capacitance when driven by an ideal voltage
source. Because the time constant is much smaller than the rise/fall times of typical driving signals, it adds very little propagation delay to the system. Propagation
delay of the digital switch, when used in a system, is determined by the driving circuit on the driving side of the switch and its interaction with the load on the driven side.
6 Propagation delay matching between channels is calculated from on-resistance matching of worst-case channel combinations and load capacitance.
7 This current applies to the control pins only and represents the current required to switch internal capacitance at the specified frequency. The A and B ports contribute
no significant ac or dc currents as they transition.
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