参数资料
| 型号： | AD5757ACPZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 4/44页 |
| 文件大小： | 0K |
| 描述： | IC DAC 16BIT QUAD 64-LFCSP |
| 特色产品： | AD5755 / AD5755-1 / AD5757 DACs |
| 标准包装： | 1 |
| 设置时间： | 15µs |
| 位数： | 16 |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 4 |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-VFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 64-LFCSP-VQ（9x9） |
| 包装： | 管件 |
| 输出数目和类型： | * |
| 采样率（每秒）： | * |
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AD5757
Data Sheet
Rev. D | Page 12 of 44
Pin No.
Mnemonic
Description
15
ALERT
Active High Output. This pin is asserted when there has been no SPI activity on the interface pins for a
predetermined time. See the Device Features section for more information.
16
FAULT
Active Low Output. This pin is asserted low when an open circuit in current mode is detected, a short circuit in
voltage mode is detected, a PEC error is detected, or an overtemperature is detected (see the Device Features
section). Open-drain output.
18
RESET
Hardware Reset. Active Low Input.
19
AV
DD
Positive Analog Supply. The voltage range is from 10.8 V to 33 V.
20, 25,
28, 30,
50, 52,
55, 60
NC
No Connect. Do not connect to this pin.
21
CHARTA
HART Input Connection for DAC Channel A.
22
IGATEA
Optional Connection for External Pass Transistor. Should be left unconnected when using the dc-to-dc converter. See
the External PMOS Mode section for more information.
23
COMP
DCDC_A
DC-to-DC Compensation Capacitor. Connect a 10 nF capacitor from this pin to ground. Used to regulate the
feedback loop of the Channel A dc-to-dc converter. Alternatively, if using an external compensation resistor,
place a resistor in series with a capacitor to ground from this pin (see the DC-to-DC Converter Compensation
Capacitors and the AI
CC Supply Requirements—Slewing sections in the Device Features section for more
information).
24
V
BOOST_A
Supply for Channel A Current Output Stage (see Figure 49). To use the dc-to-dc feature of the device, connect as
shown in Figure 56.
26
I
OUT_A
Current Output Pin for DAC Channel A.
27, 40, 53
AGND
Ground Reference Point for Analog Circuitry. This must be connected to 0 V.
29
CHARTB
HART Input Connection for DAC Channel B.
31
IGATEB
Optional Connection for External Pass Transistor. Should be left unconnected when using the dc-to-dc converter.
See the External PMOS Mode section for more information.
32
COMP
DCDC_B
DC-to-DC Compensation Capacitor. Connect a 10 nF capacitor from this pin to ground. Used to regulate the
feedback loop of the Channel B dc-to-dc converter. Alternatively, if using an external compensation resistor,
place a resistor in series with a capacitor to ground from this pin (see the DC-to-DC Converter Compensation
CC Supply Requirements—Slewing sections in the Device Features section for more
information).
33
I
OUT_B
Current Output Pin for DAC Channel B.
34
V
BOOST_B
Supply for Channel B Current Output Stage (see Figure 49). To use the dc-to-dc feature of the device, connect as
shown in Figure 56.
35
AGND
Ground Reference Point for Analog Circuitry. This pin must be connected to 0 V.
36
SW
B
Switching Output for Channel B DC-to-DC Circuitry. To use the dc-to-dc feature of the device, connect as shown
37
GNDSW
B
Ground Connection for DC-to-DC Switching Circuit. This pin should always be connected to ground.
38
GNDSW
A
Ground Connection for DC-to-DC Switching Circuit. This pin should always be connected to ground.
39
SW
A
Switching Output for Channel A DC-to-DC Circuitry. To use the dc-to-dc feature of the device, connect as shown
41
SW
D
Switching Output for Channel D DC-to-DC Circuitry. To use the dc-to-dc feature of the device, connect as shown
42
GNDSW
D
Ground Connections for DC-to-DC Switching Circuit. This pin should always be connected to ground.
43
GNDSW
C
Ground Connections for DC-to-DC Switching Circuit. This pin should always be connected to ground.
44
SW
C
Switching Output for Channel C DC-to-DC Circuitry. To use the dc-to-dc feature of the device, connect as shown
45
AV
CC
Supply for DC-to-DC Circuitry.
46
V
BOOST_C
Supply for Channel C Current Output Stage (see Figure 49). To use the dc-to-dc feature of the device, connect as
shown in Figure 56.
47
I
OUT_C
Current Output Pin for DAC Channel C.
48
COMP
DCDC_C
DC-to-DC Compensation Capacitor. Connect a 10 nF capacitor from this pin to ground. Used to regulate the
feedback loop of the Channel C dc-to-dc converter. Alternatively, if using an external compensation resistor,
place a resistor in series with a capacitor to ground from this pin (see the DC-to-DC Converter Compensation
CC Supply Requirements—Slewing sections in the Device Features section for more
information).
49
IGATEC
Optional Connection for External Pass Transistor. Should be left unconnected when using the dc-to-dc converter. See
the External PMOS Mode section for more information.
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