参数资料
| 型号： | AD8376ACPZ-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 14/24页 |
| 文件大小： | 0K |
| 描述： | IC AMP VGA DIFF DUAL 32LFCSP |
| 产品培训模块： | Differential Circuit Design Techniques for Communication Applications |
| 设计资源： | Using AD8376 to Drive Wide Bandwidth ADCs for High IF AC-Coupled Appls (CN0002) High Performance, Dual Channel IF Sampling Receiver (CN0140) |
| 标准包装： | 1 |
| 放大器类型： | 可变增益 |
| 电路数： | 2 |
| 输出类型： | 差分 |
| 转换速率： | 5000 V/µs |
| -3db带宽： | 700MHz |
| 电流 - 输入偏压： | 900nA |
| 电流 - 电源： | 250mA |
| 电压 - 电源，单路/双路(±)： | 4.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-VFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 32-LFCSP-VQ（5x5） |
| 包装： | 标准包装 |
| 产品目录页面： | 775 (CN2011-ZH PDF) |
| 其它名称： | AD8376ACPZ-R7DKR |
Data Sheet
AD8376
Rev. B | Page 21 of 24
Table 6. Evaluation Board Configuration Options
Components
Function
Default Conditions
C13, C14, C20 to C22,
C64 to C67, R90, R91
Power Supply Decoupling. Nominal supply decoupling consists a
10 F capacitor to ground followed by 0.1 F capacitors to ground
positioned as close to the device as possible.
C20 = 10 F (size 3528)
C13, C14 = 0.1 F (size 0402)
C21, C22, C64 to C67 = 0.1 F
(size 0603)
R90, R91 = 0 (size 0603)
T1, T2, C1 to C4, C61, C62,
R1 to R4, R9 to R12,
R70 to R75
Input Interface. T1 and T2 are 3:1 impedance ratio baluns to
transform a 50 single-ended input into a 150 balanced
differential signal. R1 and R4 ground one side of the differential drive
interface for single-ended applications. R9 to R12 and R70 to R75 are
provided for generic placement of matching components. C1 to C4
are dc blocks.
T1, T2 = TC3-1+ (Mini-Circuits)
C1 to C4, C60, C61 = 0.1 F (size 0402)
R1, R4, R9 to R12 = 0 (size 0402)
R2, R3, R70 to R75 = open (size 0402)
T3, T4, C7 to C10,
L1 to L4, R15 to R32,
R62, R63, C62, C63
Output Interface. C7 to C10 are dc blocks. L1 to L4 provide dc biases
for the outputs. R19 to R28 are provided for generic placement of
matching components. The evaluation board is configured to
provide a 150 to 50 impedance transformation with an insertion
loss of about 11 dB. T3 and T4 are 1:1 impedance ratio baluns to
transform the balanced differential signals to single-ended signals.
R29 and R32 ground one side of the differential output interface for
single-ended applications.
C7 to C10 = 0.1 F (size 0402)
L1 to L4 = 1 H (size 0805)
T3, T4 = ETC1-1-13 (M/A-COM)
R19 to R22 = 61.9 (size 0402)
R23, R25, R26, R28 = 30.9 (size 0402)
R15 to R18 = 0 (size 0603)
R29, R32 = 0 (size 0402)
R24, R27, R30, R31, R62, R63 = open
(size 0402)
C62, C63 = 0.1 F (size 0402)
PUA, PUB, R13, R14,
C5, C6
Enable Interface. The AD8376 is enabled by applying a logic high
voltage to the ENBA pin for Channel A or the ENBB pin for Channel B.
Channel A is enabled when the PUA switch is set in the up position,
connecting the ENBA pin to VPOS. Likewise, Channel B is enabled
when the PUB switch is set in the up position, connecting the ENBB
pin to VPOS. Both channels are disabled by setting the switches to
the down position, connecting the ENBA and ENBB pins to GND.
PUA, PUB = installed
R13, R14 = 0 (size 0603)
C5, C6 = open (size 0603)
WA0 to WA4, WB0 to WB4
Parallel Interface Control. Used to hardwire A0 through A4 and B0
through B4 to the desired gain. The bank of switches WA0 to WA4 set
the binary gain code for Channel A. The bank of switches WB0 to
WB4 set the binary gain code for Channel B. WA0 and WB0 represent
the LSB for each of the respective channels.
WA0 to WA4, WB0 to WB4 = installed
C11, C12
Voltage Reference. Input common-mode voltage ac-coupled to
ground by 0.1 F capacitors, C11 and C12.
C11, C12 = 0.1 F (size 0402)
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