參數(shù)資料
型號(hào)： AD7607BSTZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 5/32頁(yè)
文件大?。?/td> 0K
描述： IC DAS W/ADC 14BIT 8CH 64LQFP
標(biāo)準(zhǔn)包裝： 1
類型： 數(shù)據(jù)采集系統(tǒng)（DAS），ADC
分辨率（位）： 14 b
采樣率（每秒）： 200k
數(shù)據(jù)接口： DSP，MICROWIRE?，并聯(lián)，QSPI?，串行，SPI?
電壓電源： 模擬和數(shù)字
電源電壓： 2.3 V ~ 5.25 V，4.75 V ~ 5.25 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 64-LQFP
供應(yīng)商設(shè)備封裝： 64-LQFP（10x10）
包裝： 托盤
Data Sheet
AD7607
Rev. B | Page 13 of 32
Pin No.
Type1
Mnemonic
Description
32
DO/DI
DB14/HBEN
Parallel Output Data Bit 14 (DB14)/High Byte Enable (HBEN). When PAR/SER/BYTE SEL = 0, this pin
acts as a three-state parallel digital output pin. When CS and RD are low, this pin is used to output
DB14 of the conversion result, which is a sign extended bit of the MSB, DB13. When PAR/SER/BYTE
SEL = 1 and DB15/BYTE SEL = 1, the AD7607 operates in parallel byte interface mode, in which the
HBEN pin is used to select if the most significant byte (MSB) or the least significant byte (LSB) of the
conversion result is output first. When HBEN = 1, the MSB byte is output first, followed by the LSB
byte. When HBEN = 0, the LSB byte is output first, followed by the MSB byte.
33
DO/DI
DB15/
BYTE SEL
Parallel Output Data Bit 15 (DB15)/Parallel Byte Mode Select (BYTE SEL). When PAR/SER/BYTE SEL =
0, this pin acts as a three-state parallel digital output pin. When CS and RD are low, this pin is used to
output DB15, which is a sign extended bit of the MSB, DB13, of the conversion result. When PAR/
SER/BYTE SEL = 1, the BYTE SEL pin is used to select between serial interface mode or parallel byte
interface mode (see Table 8). When PAR/SER/BYTE SEL = 1 and DB15/BYTE SEL = 0, the AD7607
operates in serial interface mode. When PAR/SER/BYTE SEL = 1 and DB15/BYTE SEL = 1, the AD7607
operates in parallel byte interface mode.
34
DI
REF SELECT
Internal/External Reference Selection Input. Logic input. If this pin is set to logic high, the internal
reference is selected and enabled. If this pin is set to logic low, the internal reference is disabled and
an external reference voltage must be applied to the REFIN/REFOUT pin.
36, 39
P
REGCAP
Decoupling Capacitor Pin for Voltage Output from Internal Regulator. These output pins should be
decoupled separately to AGND using a 1 μF capacitor. The voltage on these pins is in the range of
2.5 V to 2.7 V.
42
REF
REFIN/
REFOUT
Reference Input (REFIN)/Reference Output (REFOUT). The gained up on-chip reference of 2.5 V
is available on this pin for external use if the REF SELECT pin is set to a logic high. Alternatively, the
internal reference can be disabled by setting the REF SELECT pin to a logic low, and an external
reference of 2.5 V can be applied to this input (see the Internal/External Reference section).
Decoupling is required on this pin for both the internal or external reference options. A 10 F
capacitor should be applied from this pin to ground close to the REFGND pins.
43, 46
REF
REFGND
Reference Ground Pins. These pins should be connected to AGND.
44, 45
REF
REFCAPA,
REFCAPB
Reference Buffer Output Force/Sense Pins. These pins must be connected together and
decoupled to AGND using a low ESR 10 μF ceramic capacitor.
49, 51, 53,
55, 57, 59,
61, 63
AI
V1 to V8
Analog Inputs. These pins are single-ended analog inputs. The analog input range of these
channels is determined by the RANGE pin.
50, 52, 54,
56, 58, 60,
62, 64
AI GND
V1GND to
V8GND
Analog Input Ground Pins. These pins correspond to Analog Input Pin V1 to Analog Input Pin V8.
All analog input AGND pins should connect to the AGND plane of a system.
1
P = power supply, DI = digital input, DO = digital output, REF = reference input/output, AI = analog input, GND = ground.
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