参数资料
| 型号： | LTC1597BCN#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/20页 |
| 文件大小： | 0K |
| 描述： | IC CONV D/A 16BIT PAR 28-DIP |
| 标准包装： | 14 |
| 设置时间： | 1µs |
| 位数： | 16 |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 电压电源： | 单电源 |
| 功率耗散（最大）： | 55µW |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 28-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 28-PDIP |
| 包装： | 管件 |
| 输出数目和类型： | 1 电流，单极；1 电流，双极 |
| 采样率（每秒）： | * |
10
LTC1591/LTC1597
15917fa
PIN FUNCTIONS
UU
U
LTC1591
REF (Pin 1): Reference Input and 4-Quadrant Resistor R2.
Typically
±10V, accepts up to ±25V. In 2-Quadrant mode
this is the reference input. In 4-quadrant mode, this pin is
driven by external inverting reference amplifier.
RCOM (Pin 2): Center Tap Point of the Two 4-Quadrant
Resistors R1 and R2. Normally tied to the inverting input
of an external amplifier in 4-quadrant operation, otherwise
shorted to the REF pin. See Figures 1a and 2a.
R1 (Pin 3): 4-Quadrant Resistor R1. In 2-quadrant opera-
tion short to the REF pin. In 4-quadrant mode tie to ROFS
(Pin 4).
ROFS (Pin 4): Bipolar Offset Resistor. Typically swings
±10V, accepts up to ±25V. In 2-quadrant operation tie to
RFB. In 4-quadrant operation tie to R1.
RFB (Pin 5): Feedback Resistor. Normally tied to the output
of the current to voltage converter op amp. Swings to
±VREF. VREF is typically ±10V.
IOUT1 (Pin 6): DAC Current Output. Tie to the inverting
input of the current to voltage converter op amp.
AGND (Pin 7): Analog Ground. Tie to ground.
LD (Pin 8): DAC Digital Input Load Control Input. When LD
is taken to a logic high, data is loaded from the input
register into the DAC register, updating the DAC output.
WR (Pin 9):DAC Digital Write Control Input. When WR is
taken to a logic low, data is loaded from the digital input
pins into the 14-bit wide input register.
DB13 to D2 (Pins 10 to 21): Digital Input Data Bits.
DGND (Pin 22): Digital Ground. Tie to ground.
VCC (Pin 23): The Positive Supply Input. 4.5V ≤ VCC ≥ 5.5V.
Requires a bypass capacitor to ground.
DB1, DB0 (Pins 24, 25): Digital Input Data Bits.
NC (Pins 26, 27): No Connect.
CLR (Pin 28):Digital Clear Control Function for the DAC.
When CLR is taken to a logic low, it sets the DAC output
and all internal registers to zero code for the LTC1591 and
midscale code for the LTC1591-1.
LTC1597
REF (Pin 1): Reference Input and 4-Quadrant Resistor R2.
Typically
±10V, accepts up to ±25V. In 2-Quadrant mode
this is the reference input. In 4-quadrant mode, this pin is
driven by external inverting reference amplifier.
RCOM (Pin 2): Center Tap Point of the Two 4-Quadrant
Resistors R1 and R2. Normally tied to the inverting input
of an external amplifier in 4-quadrant operation, otherwise
shorted to the REF pin. See Figures 1b and 2b.
R1 (Pin 3): 4-Quadrant Resistor R1. In 2-quadrant opera-
tion short to the REF pin. In 4-quadrant mode tie to ROFS
(Pin 4).
ROFS (Pin 4): Bipolar Offset Resistor. Typically swings
±10V, accepts up to ±25V. In 2-quadrant operation tie to
RFB. In 4-quadrant operation tie to R1.
RFB (Pin 5): Feedback Resistor. Normally tied to the output
of the current to voltage converter op amp. Swings to
±VREF. VREF is typically ±10V.
IOUT1 (Pin 6): DAC Current Output. Tie to the inverting
input of the current to voltage converter op amp.
AGND (Pin 7): Analog Ground. Tie to ground.
LD (Pin 8): DAC Digital Input Load Control Input. When LD
is taken to a logic high, data is loaded from the input
register into the DAC register, updating the DAC output.
WR (Pin 9):DAC Digital Write Control Input. When WR is
taken to a logic low, data is loaded from the digital input
pins into the 16-bit wide input register.
DB15 to D4 (Pins 10 to 21): Digital Input Data Bits.
DGND (Pin 22): Digital Ground. Tie to ground.
VCC (Pin 23): The Positive Supply Input. 4.5V ≤ VCC ≥ 5.5V.
Requires a bypass capacitor to ground.
DB3 to DB0 (Pins 24 to 27): Digital Input Data Bits.
CLR (Pin 28):Digital Clear Control Function for the DAC.
When CLR is taken to a logic low, it sets the DAC output
and all internal registers to zero code for the LTC1597 and
midscale code for the LTC1597-1.
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| LTC1597BIG | 功能描述:IC D/A CONV 16BIT PAR 28-SSOP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Data Converter Fundamentals DAC Architectures 标准包装:750 系列:- 设置时间:7µs 位数:16 数据接口:并联 转换器数目:1 电压电源:双 ± 功率耗散（最大）:100mW 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-LCC（J 形引线） 供应商设备封装:28-PLCC（11.51x11.51） 包装:带卷 (TR) 输出数目和类型:1 电压，单极；1 电压，双极 采样率（每秒）:143k |
| LTC1597BIG#PBF | 功能描述:IC D/A CONV 16BIT PAR 28-SSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Data Converter Fundamentals DAC Architectures 标准包装:750 系列:- 设置时间:7µs 位数:16 数据接口:并联 转换器数目:1 电压电源:双 ± 功率耗散（最大）:100mW 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-LCC（J 形引线） 供应商设备封装:28-PLCC（11.51x11.51） 包装:带卷 (TR) 输出数目和类型:1 电压，单极；1 电压，双极 采样率（每秒）:143k |
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